---
categories: Original
date: 2022-08-08T00:00:00Z
tags:
  - Cloudflare
  - Demo
  - 信息技术
  - 前端
slug: cloudflare-cdn-cgi-trace
title: Cloudflare 接口 /cdn-cgi/trace 查询节点信息
---

```html
<p>当前CDN节点: <span id="cdn"></span></p>
<script>
    function getCDNinfo() {
        var xhr = new XMLHttpRequest();
        xhr.open("GET", "/cdn-cgi/trace", true);
        xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                let data = xhr.responseText;
                let areas =
                    "Amsterdam, Netherlands - (AMS);Amman, Jordan - (AMM);Adelaide, SA, Australia - (ADL);Americana, Brazil - (QWJ);Accra, Ghana - (ACC);Ahmedabad, India - (AMD);Albuquerque, NM, United States - (ABQ);Ashburn, VA, United States - (IAD);Auckland, New Zealand - (AKL);Athens, Greece - (ATH);Arica, Chile - (ARI);Algiers, Algeria - (ALG);Almaty, Kazakhstan - (ALA);Astara, Azerbaijan - (LLK);Atlanta, GA, United States - (ATL);Brisbane, QLD, Australia - (BNE);Barcelona, Spain - (BCN);Baghdad, Iraq - (BGW);Asunción, Paraguay - (ASU);Antananarivo, Madagascar - (TNR);Belgrade, Serbia - (BEG);Cape Town, South Africa - (CPT);Baku, Azerbaijan - (GYD);Bangalore, India - (BLR);Canberra, ACT, Australia - (CBR);Belém, Brazil - (BEL);Bangor ME, USA   - (BGR);Berlin, Germany - (TXL);Bangkok, Thailand - (BKK);Boston, MA, United States - (BOS);Casablanca, Morocco - (CMN);Belo Horizonte, Brazil - (CNF);Basra, Iraq - (BSR);Christchurch, New Zealand - (CHC);Beirut, Lebanon - (BEY);Buffalo, NY, United States - (BUF);Bandar Seri Begawan, Brunei - (BWN);Dakar, Senegal - (DKR);Blumenau, Brazil - (BNU);Hagatna, Guam - (GUM);Bratislava, Slovakia   - (BTS);Brussels, Belgium - (BRU);Calgary, AB, Canada - (YYC);Bogotá, Colombia - (BOG);Dar Es Salaam, Tanzania - (DAR);Dammam, Saudi Arabia - (DMM);Baoji, China - (XIY);Hobart, Australia - (HBA);Melbourne, VIC, Australia - (MEL);Doha, Qatar - (DOH);Bucharest, Romania - (OTP);Djibouti City, Djibouti - (JIB);Charlotte, NC, United States - (CLT);Brasilia, Brazil - (BSB);Bhubaneswar, India - (BBI);Chicago, IL, United States - (ORD);Buenos Aires, Argentina - (EZE);Dubai, United Arab Emirates - (DXB);Budapest, Hungary - (BUD);Durban, South Africa - (DUR);Cebu, Philippines - (CEB);Noumea, New Caledonia - (NOU);Perth, WA, Australia - (PER);Chișinău, Moldova - (KIV);Columbus, OH, United States - (CMH);Caçador, Brazil - (CFC);Erbil, Iraq - (EBL);Chandigarh, IN - (IXC);Gaborone, Botswana - (GBE);Dallas, TX, United States - (DFW);Sydney, NSW, Australia - (SYD);Copenhagen, Denmark - (CPH);Campinas, Brazil - (VCP);Harare, Zimbabwe - (HRE);Changde, China - (CGD);Haifa, Israel - (HFA);Johannesburg, South Africa - (JNB);Chennai, India - (MAA);Denver, CO, United States - (DEN);Cork, Ireland -  (ORK);Jeddah, Saudi Arabia - (JED);Concepción, Chile   - (CCP);Tahiti, French Polynesia - (PPT);Kuwait City, Kuwait - (KWI);Dublin, Ireland - (DUB);Detroit, MI, United States - (DTW);Kigali, Rwanda - (KGL);Chiang Mai, Thailand - (CNX);Córdoba, Argentina - (COR);Düsseldorf, Germany - (DUS);Manama, Bahrain - (BAH);Lagos, Nigeria - (LOS);Chittagong, Bangladesh - (CGP);Honolulu, HI, United States - (HNL);Cuiabá, Brazil - (CGB);Muscat, Oman - (MCT);Luanda, Angola - (LAD);Colombo, Sri Lanka - (CMB);Houston, TX, United States - (IAH);Edinburgh, United Kingdom - (EDI);Curitiba, Brazil - (CWB);Frankfurt, Germany - (FRA);Indianapolis, IN, United States - (IND);Maputo, Mozambique - (MPM);Dhaka, Bangladesh - (DAC);Florianopolis, Brazil - (FLN);Najaf, Iraq - (NJF);Mombasa, Kenya - (MBA);Jacksonville, FL, United States - (JAX);Geneva, Switzerland - (GVA);Fortaleza, Brazil - (FOR);Foshan, China - (FUO);Nasiriyah, Iraq - (XNH);Kansas City, MO, United States - (MCI);Ramallah - (ZDM);Gothenburg, Sweden - (GOT);Georgetown, Guyana - (GEO);Fukuoka, Japan - (FUK);Hamburg, Germany - (HAM);Las Vegas, NV, United States - (LAS);Riyadh, Saudi Arabia - (RUH);Nairobi, Kenya - (NBO);Goiânia, Brazil - (GYN);Fuzhou, China - (FOC);Los Angeles, CA, United States - (LAX);Guangzhou, China - (CAN);Helsinki, Finland - (HEL);Guatemala City, Guatemala - (GUA);Ouagadougou, Burkina Faso   - (OUA);Sulaymaniyah, Iraq - (ISU);McAllen, TX, United States - (MFE);Port Louis, Mauritius - (MRU);Istanbul, Turkey - (IST);Tel Aviv, Israel - (TLV);Guayaquil, Ecuador - (GYE);Haikou, China - (HAK);Memphis, TN, United States - (MEM);Réunion, France - (RUN);Hanoi, Vietnam - (HAN);Itajaí, Brazil - (ITJ);Izmir, Turkey - (ADB);Kyiv, Ukraine - (KBP);Mexico City, Mexico - (MEX);Tunis, Tunisia - (TUN);Hengshui, China - (SJW);Joinville, Brazil - (JOI);Miami, FL, United States - (MIA);Lisbon, Portugal - (LIS);Ho Chi Minh City, Vietnam - (SGN);Juazeiro do Norte, Brazil - (JDO);Kinshasa - (FIH);London, United Kingdom - (LHR);Hong Kong - (HKG);Lima, Peru - (LIM);Minneapolis, MN, United States - (MSP);Oran - (ORN);Luxembourg City, Luxembourg - (LUX);Montgomery, AL, United States - (MGM);Hyderabad, India - (HYD);Manaus, Brazil - (MAO);Madrid, Spain - (MAD);Medellín, Colombia - (MDE);Montréal, QC, Canada - (YUL);Islamabad, Pakistan - (ISB);Manchester, United Kingdom - (MAN);Jakarta, Indonesia - (CGK);Neuquén, Argentina - (NQN);Nashville, United States - (BNA);Newark, NJ, United States - (EWR);Marseille, France - (MRS);Panama City, Panama - (PTY);Jashore, Bangladesh - (JSR);Milan, Italy - (MXP);Jinan, China - (TNA);Norfolk, VA, United States - (ORF);Paramaribo, Suriname - (PBM);Omaha, NE, United States - (OMA);Porto Alegre, Brazil - (POA);Minsk, Belarus - (MSQ);Moscow, Russia - (DME);Port-Au-Prince, Haiti - (PAP);Johor Bahru, Malaysia - (JHB);Ottawa, Canada - (YOW);Quito, Ecuador - (UIO);Munich, Germany - (MUC);Philadelphia, United States - (PHL);Kanpur, India - (KNU);Phoenix, AZ, United States - (PHX);Nicosia, Cyprus - (LCA);Kaohsiung City - (KHH);Recife - (REC);Oslo, Norway - (OSL);Pittsburgh, PA, United States - (PIT);Karachi, Pakistan - (KHI);Ribeirao Preto, Brazil - (RAO);Rio de Janeiro, Brazil - (GIG);Portland, OR, United States - (PDX);Kathmandu, Nepal - (KTM);Palermo, Italy - (PMO);Paris, France - (CDG);Queretaro, MX, Mexico - (QRO);Salvador, Brazil - (SSA);Khabarovsk, Russia - (KHV);Prague, Czech Republic - (PRG);Richmond, VA, United States - (RIC);Kolkata, India - (CCU);San José, Costa Rica - (SJO);Santiago, Chile - (SCL);Reykjavík, Iceland - (KEF);Sacramento, CA, United States - (SMF);Krasnoyarsk, Russia - (KJA);Kuala Lumpur, Malaysia - (KUL);Salt Lake City, UT, United States - (SLC);Riga, Latvia - (RIX);Santo Domingo, Dominican Republic - (SDQ);Rome, Italy - (FCO);San Diego, CA, United States - (SAN);Lahore, Pakistan - (LHE);São José do Rio Preto, Brazil - (SJP);San Jose, CA, United States - (SJC);Saint Petersburg, Russia - (LED);Langfang, China - (PKX);São José dos Campos, Brazil - (SJK);São Paulo, Brazil - (GRU);Sofia, Bulgaria - (SOF);Saskatoon, SK, Canada - (YXE);Lanzhou, China - (LHW);Seattle, WA, United States - (SEA);Stockholm, Sweden - (ARN);Sorocaba, Brazil - (SOD);Luoyang, China - (LYA);Macau - (MFM);St. George's, Grenada - (GND);Sioux Falls, South Dakota - (FSD);Stuttgart, Germany   - (STR);St. Louis, MO, United States - (STL);Tallinn, Estonia - (TLL);Malé, Maldives - (MLE);Tegucigalpa, Honduras - (TGU);Tallahassee, FL, United States - (TLH);Tbilisi, Georgia - (TBS);Mandalay, Myanmar - (MDL);Timbó, Brazil - (NVT);Manila, Philippines - (MNL);Tampa, FL, United States - (TPA);Thessaloniki, Greece - (SKG);Uberlândia, Brazil - (UDI);Toronto, ON, Canada - (YYZ);Mumbai, India - (BOM);Tirana, Albania - (TIA);Vitoria, Brazil - (VIX);Vancouver, BC, Canada - (YVR);Willemstad, Curaçao - (CUR);Nagpur, India - (NAG);Tver, Russian Federation - (KLD);Vienna, Austria - (VIE);Winnipeg, MB, Canada - (YWG);Naha, Japan  - (OKA);Campos dos Goytacazes - (CAW);New Delhi, India - (DEL);Vilnius, Lithuania - (VNO);San Francisco - (SFO);Warsaw, Poland - (WAW);Osaka, Japan - (KIX);Kingston - (KIN);Yekaterinburg, Russia - (SVX);Patna, India - (PAT);Bangor - (BGR);Zagreb, Croatia - (ZAG);Phnom Penh, Cambodia - (PNH);Austin - (AUS);Zürich, Switzerland - (ZRH);Qingdao, China - (TAO);Albuquerque - (ABQ);Seoul, South Korea - (ICN);Lyon - (LYS);Guadalajara - (GDL);Shanghai, China - (SHA);Singapore, Singapore - (SIN);Surat Thani, Thailand - (URT);Taipei - (TPE);Tashkent, Uzbekistan - (TAS);Thimphu, Bhutan - (PBH);Tianjin, China - (TSN);Tokyo, Japan - (NRT);Ulaanbaatar, Mongolia - (ULN);Vientiane, Laos - (VTE);Wuxi, China - (WUX);Xinyu, China - (KHN);Yangon, Myanmar - (RGN);Yerevan, Armenia - (EVN);Yogyakarta, Indonesia - (JOG);Zhengzhou, China - (CGO);Changchun, China - (CGQ);Xiaogan, China - (WUH);Zhongshan, China - (ZGN);Cagayan de Oro, Philippines - (CGY);Changsha, China - (CSX);Datong, China - (TYN);Wuhu - (WHU);Taizhou - (HYN);Kochi - (COK);Nantong - (NTG);Xiamen - (XMN);Denpasar - (DPS);Kannur - (CNN);".split(
                        ";",
                    );
                let area = data.split("colo=")[1].split("\n")[0];
                for (var i = 0; i < areas.length; i++) {
                    if (areas[i].indexOf(area) != -1) {
                        document.getElementById("cdn").innerHTML = areas[i];
                        break;
                    }
                }
            }
        };
        xhr.send(null);
    }
</script>
<script>
    window.onload = function () {
        getCDNinfo();
    };
</script>
```

`areas`字符串是这样生成的：

```python
import requests

summary_url = 'https://www.cloudflarestatus.com/api/v2/summary.json'

summary = requests.get(summary_url).json()

areas = []

for i in summary['components']:
    name = i['name']
    if '-' in name and '(' in name and ')' in name:
        areas.append(name)

output = ''

for i in areas:
    output = output + i + ';'

print(output)
```

<!-- Useless Below -->
<!--
<script>
    function getTrace() {
        var url = "/cdn-cgi/trace";
        var xhr = new XMLHttpRequest();
        xhr.open("GET", url, true);
        xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                var info = {};
                var trace = xhr.responseText;
                info.trace = trace;
                var fl = trace.split("fl=")[1].split("\n")[0];
                info.fl = fl;
                var h = trace.split("h=")[1].split("\n")[0];
                info.h = h;
                var ip = trace.split("ip=")[1].split("\n")[0];
                info.ip = ip;
                var ts = trace.split("ts=")[1].split("\n")[0];
                info.ts = ts;
                var visit_scheme = trace.split("visit_scheme=")[1].split("\n")[0];
                info.visit_scheme = visit_scheme;
                var uag = trace.split("uag=")[1].split("\n")[0];
                info.uag = uag;
                var areas = "Antananarivo, Madagascar - (TNR);Cape Town, South Africa - (CPT);Casablanca, Morocco - (CMN);Dar Es Salaam, Tanzania - (DAR);Djibouti City, Djibouti - (JIB);Durban, South Africa - (DUR);Johannesburg, South Africa - (JNB);Kigali, Rwanda - (KGL);Lagos, Nigeria - (LOS);Luanda, Angola - (LAD);Maputo, MZ - (MPM);Mombasa, Kenya - (MBA);Port Louis, Mauritius - (MRU);Réunion, France - (RUN);Bangalore, India - (BLR);Bangkok, Thailand - (BKK);Bandar Seri Begawan, Brunei - (BWN);Cebu, Philippines - (CEB);Chengdu, China - (CTU);Chennai, India - (MAA);Chittagong, Bangladesh - (CGP);Chongqing, China - (CKG);Colombo, Sri Lanka - (CMB);Dhaka, Bangladesh - (DAC);Dongguan, China - (SZX);Foshan, China - (FUO);Fuzhou, China - (FOC);Guangzhou, China - (CAN);Hangzhou, China - (HGH);Hanoi, Vietnam - (HAN);Hengyang, China - (HNY);Ho Chi Minh City, Vietnam - (SGN);Hong Kong - (HKG);Hyderabad, India - (HYD);Islamabad, Pakistan - (ISB);Jakarta, Indonesia - (CGK);Jinan, China - (TNA);Karachi, Pakistan - (KHI);Kathmandu, Nepal - (KTM);Kolkata, India - (CCU);Kuala Lumpur, Malaysia - (KUL);Lahore, Pakistan - (LHE);Langfang, China - (NAY);Luoyang, China - (LYA);Macau - (MFM);Malé, Maldives - (MLE);Manila, Philippines - (MNL);Mumbai, India - (BOM);Nagpur, India - (NAG);Nanning, China - (NNG);New Delhi, India - (DEL);Osaka, Japan - (KIX);Phnom Penh, Cambodia - (PNH);Qingdao, China - (TAO);Seoul, South Korea - (ICN);Shanghai, China - (SHA);Shenyang, China - (SHE);Shijiazhuang, China - (SJW);Singapore, Singapore - (SIN);Suzhou, China - (SZV);Taipei - (TPE);Thimphu, Bhutan - (PBH);Tianjin, China - (TSN);Tokyo, Japan - (NRT);Ulaanbaatar, Mongolia - (ULN);Vientiane, Laos - (VTE);Wuhan, China - (WUH);Wuxi, China - (WUX);Xi'an, China - (XIY);Yerevan, Armenia - (EVN);Zhengzhou, China - (CGO);Zuzhou, China - (CSX);Amsterdam, Netherlands - (AMS);Athens, Greece - (ATH);Barcelona, Spain - (BCN);Belgrade, Serbia - (BEG);Berlin, Germany - (TXL);Brussels, Belgium - (BRU);Bucharest, Romania - (OTP);Budapest, Hungary - (BUD);Chișinău, Moldova - (KIV);Copenhagen, Denmark - (CPH);Cork, Ireland -  (ORK);Dublin, Ireland - (DUB);Düsseldorf, Germany - (DUS);Edinburgh, United Kingdom - (EDI);Frankfurt, Germany - (FRA);Geneva, Switzerland - (GVA);Gothenburg, Sweden - (GOT);Hamburg, Germany - (HAM);Helsinki, Finland - (HEL);Istanbul, Turkey - (IST);Kyiv, Ukraine - (KBP);Lisbon, Portugal - (LIS);London, United Kingdom - (LHR);Luxembourg City, Luxembourg - (LUX);Madrid, Spain - (MAD);Manchester, United Kingdom - (MAN);Marseille, France - (MRS);Milan, Italy - (MXP);Moscow, Russia - (DME);Munich, Germany - (MUC);Nicosia, Cyprus - (LCA);Oslo, Norway - (OSL);Paris, France - (CDG);Prague, Czech Republic - (PRG);Reykjavík, Iceland - (KEF);Riga, Latvia - (RIX);Rome, Italy - (FCO);Saint Petersburg, Russia - (LED);Sofia, Bulgaria - (SOF);Stockholm, Sweden - (ARN);Tallinn, Estonia - (TLL);Thessaloniki, Greece - (SKG);Vienna, Austria - (VIE);Vilnius, Lithuania - (VNO);Warsaw, Poland - (WAW);Zagreb, Croatia - (ZAG);Zürich, Switzerland - (ZRH);Arica, Chile - (ARI);Asunción, Paraguay - (ASU);Bogotá, Colombia - (BOG);Buenos Aires, Argentina - (EZE);Curitiba, Brazil - (CWB);Fortaleza, Brazil - (FOR);Guatemala City, Guatemala - (GUA);Lima, Peru - (LIM);Medellín, Colombia - (MDE);Panama City, Panama - (PTY);Porto Alegre, Brazil - (POA);Quito, Ecuador - (UIO);Rio de Janeiro, Brazil - (GIG);São Paulo, Brazil - (GRU);Santiago, Chile - (SCL);Willemstad, Curaçao - (CUR);St. George's, Grenada - (GND);Amman, Jordan - (AMM);Baghdad, Iraq - (BGW);Baku, Azerbaijan - (GYD);Beirut, Lebanon - (BEY);Doha, Qatar - (DOH);Dubai, United Arab Emirates - (DXB);Kuwait City, Kuwait - (KWI);Manama, Bahrain - (BAH);Muscat, Oman - (MCT);Ramallah - (ZDM);Riyadh, Saudi Arabia - (RUH);Tel Aviv, Israel - (TLV);Ashburn, VA, United States - (IAD);Atlanta, GA, United States - (ATL);Boston, MA, United States - (BOS);Buffalo, NY, United States - (BUF);Calgary, AB, Canada - (YYC);Charlotte, NC, United States - (CLT);Chicago, IL, United States - (ORD);Columbus, OH, United States - (CMH);Dallas, TX, United States - (DFW);Denver, CO, United States - (DEN);Detroit, MI, United States - (DTW);Honolulu, HI, United States - (HNL);Houston, TX, United States - (IAH);Indianapolis, IN, United States - (IND);Jacksonville, FL, United States - (JAX);Kansas City, MO, United States - (MCI);Las Vegas, NV, United States - (LAS);Los Angeles, CA, United States - (LAX);McAllen, TX, United States - (MFE);Memphis, TN, United States - (MEM);Mexico City, Mexico - (MEX);Miami, FL, United States - (MIA);Minneapolis, MN, United States - (MSP);Montgomery, AL, United States - (MGM);Montréal, QC, Canada - (YUL);Nashville, TN, United States - (BNA);Newark, NJ, United States - (EWR);Norfolk, VA, United States - (ORF);Omaha, NE, United States - (OMA);Philadelphia, United States - (PHL);Phoenix, AZ, United States - (PHX);Pittsburgh, PA, United States - (PIT);Port-Au-Prince, Haiti - (PAP);Portland, OR, United States - (PDX);Queretaro, MX, Mexico - (QRO);Richmond, Virginia - (RIC);Sacramento, CA, United States - (SMF);Salt Lake City, UT, United States - (SLC);San Diego, CA, United States - (SAN);San Jose, CA, United States - (SJC);Saskatoon, SK, Canada - (YXE);Seattle, WA, United States - (SEA);St. Louis, MO, United States - (STL);Tampa, FL, United States - (TPA);Toronto, ON, Canada - (YYZ);Vancouver, BC, Canada - (YVR);Tallahassee, FL, United States - (TLH);Winnipeg, MB, Canada - (YWG);Adelaide, SA, Australia - (ADL);Auckland, New Zealand - (AKL);Brisbane, QLD, Australia - (BNE);Melbourne, VIC, Australia - (MEL);Noumea, New caledonia - (NOU);Perth, WA, Australia - (PER);Sydney, NSW, Australia - (SYD)".split(";");
                var colo = trace.split("colo=")[1].split("\n")[0];
                info.colo = colo;
                for (var i = 0; i < areas.length; i++) {
                    if (areas[i].indexOf(colo) != -1) {
                        var area = areas[i];
                        info.area = area;
                        break;
                    }
                }
                var sliver = trace.split("sliver=")[1].split("\n")[0];
                info.sliver = sliver;
                var http = trace.split("http=")[1].split("\n")[0];
                info.http = http;
                var loc = trace.split("loc=")[1].split("\n")[0];
                info.loc = loc;
                var tls = trace.split("tls=")[1].split("\n")[0];
                info.tls = tls;
                var sni = trace.split("sni=")[1].split("\n")[0];
                info.sni = sni;
                var warp = trace.split("warp=")[1].split("\n")[0];
                info.warp = warp;
                var gateway = trace.split("gateway=")[1].split("\n")[0];
                info.gateway = gateway;
                console.log(info);
                window.trace = info;
            }
        }
        xhr.send();
    }
</script>
-->

<!--
    // get all class=name and combine their content with ;

function getAllClass(name) {
    var all = document.getElementsByClassName(name);
    var result = "";
    for (var i = 0; i < all.length; i++) {
        result += all[i].innerHTML + ";";
    }
    return result;
}

// download string as a file

function download(filename, text) {
    var element = document.createElement('a');
    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
    element.setAttribute('download', filename);

    element.style.display = 'none';
    document.body.appendChild(element);

    element.click();

    document.body.removeChild(element);
}

// do it on https://www.cloudflarestatus.com/
download("cloudflare.txt", getAllClass("name"));
-->