go.dev
We found 29 subdomains of go.dev in certificate transparency logs, passive DNS and DNS brute force; 23 resolve right now, including admin.go.dev, blog.go.dev and dev.go.dev. go.dev is registered with MarkMonitor Inc. since 2019-02-13 and expires 2027-02-13. Its SSL certificate from Google Trust Services expires in 73 days. For email it has no SPF record, no DMARC record and no DKIM key on the common selectors we check.
- Registration
- MarkMonitor Inc.Since 2019-02-13 · expires 2027-02-13
- SSL certificate
- 73 days leftGoogle Trust Services
- Subdomains
- 23 live29 discovered in total
- Email authentication
- None foundNo DMARC record
DNS records
7 of 7 types| A4 |
|
| AAAA4 |
|
| MX5 |
|
| TXT5 |
|
| NS4 |
|
| CAA2 |
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| SOA1 |
|
Live lookup, cached up to 5 min.
WHOIS / RDAP
via rdap.org- Registrar
- MarkMonitor Inc.
- Registered
- 2019-02-13
- Expires
- 2027-02-13
- Last updated
- 2026-01-17
- Registry handle
- 31A7CAC1B-DEV
- Nameservers
- ns-cloud-e1.googledomains.comns-cloud-e2.googledomains.comns-cloud-e3.googledomains.comns-cloud-e4.googledomains.com
- Status
- client delete prohibitedclient transfer prohibitedclient update prohibited
RDAP with port-43 WHOIS fallback, cached up to 1 h.
SSL certificate
Valid, 73 days left- Issuer
- Google Trust ServicesCN=WR3,O=Google Trust Services,C=US
- Subject
- go.dev
- Valid from
- 2026-09-21 05:40 UTC
- Valid until
- 2026-12-20 06:28 UTC
- Serial number
- 238578384814783499045452010096165574754
- Names covered (1)
- go.dev
Live TLS handshake on port 443, cached up to 6 h.
Subdomains
23 live · 29 discovered- admin.go.dev172.253.122.121
- beta.pkg.go.dev34.117.180.159
- blog.go.dev172.253.124.121
- dev-pkg.go.dev34.102.154.129
- dev-telemetry-worker.go.dev34.36.103.92
- dev-telemetry.go.dev35.190.72.87
- dev-worker.go.dev35.186.245.16
- dev.go.dev142.250.31.121
- ecosystem.go.dev34.111.254.231
- exp-worker.go.dev130.211.18.196
- go.dev216.239.32.21
- learn.go.dev192.178.155.121
- pkg.go.dev34.149.140.181
- play.go.dev142.251.179.121
- prod-worker.go.dev34.120.249.233
- staging-learn.go.dev142.251.179.121
- staging-pkg.go.dev34.117.157.246
- staging-worker.go.dev34.120.230.151
- staging.go.dev172.253.124.121
- talks.go.dev172.253.124.121
- telemetry.go.dev34.149.96.102
- tour.go.devghs.googlehosted.com
- vuln.go.dev34.117.213.18
No subdomains found.
6 more seen in CT logs and passive DNS that don't resolve now
- dev-prober.go.dev
- docs.go.dev
- pgk.go.dev
- staging-prober.go.dev
- telemetry-worker.go.dev
- www.go.dev
From CT logs, passive DNS (25+ sources) and brute-force. Live means it resolves now.
Email security
DKIM checked on 29 common selectors; custom ones can't be discovered. Cached up to 1 h.
Got an email from go.dev asking you to change bank details? Check it before you pay
Get this report as JSON
One call returns everything on this page. Each section is also its own endpoint.
curl "https://domain-intelligence-api.p.rapidapi.com/lookup/go.dev" \
-H "X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com" \
-H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY"
import requests
r = requests.get(
"https://domain-intelligence-api.p.rapidapi.com/lookup/go.dev",
headers={
"X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
"X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
},
timeout=30,
)
print(r.json())
// Node 18+ (built-in fetch)
const res = await fetch(
"https://domain-intelligence-api.p.rapidapi.com/lookup/go.dev",
{ headers: {
"X-RapidAPI-Host": "domain-intelligence-api.p.rapidapi.com",
"X-RapidAPI-Key": "YOUR_RAPIDAPI_KEY",
} }
);
console.log(await res.json());
<?php
$ch = curl_init("https://domain-intelligence-api.p.rapidapi.com/lookup/go.dev");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
"X-RapidAPI-Host: domain-intelligence-api.p.rapidapi.com",
"X-RapidAPI-Key: YOUR_RAPIDAPI_KEY",
]);
$data = json_decode(curl_exec($ch), true);
print_r($data);
?wait=1 waits for every subdomain source to finish