Domain
go.dev
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of go.dev
On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.
Hosting IPs
30
A/AAAA targets
Subdomains
34
CT + scan + body
Record Types
6
seen in DNS
Observed Certs
3
in our scans
DNS Records
A
216.239.32.21, 216.239.34.21, 216.239.36.21, 216.239.38.21
AAAA
2001:4860:4802:32::15, 2001:4860:4802:34::15, 2001:4860:4802:36::15, 2001:4860:4802:38::15
MX
1 aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com
TXT
google-site-verification=3oHHTSOKrjE9J8SIvyj3gUxEtDjmr5oNZ-DbB271vpM, google-site-verification=eYE-BIP9BY8VZCUI_r8sJi7qjRVtxyRQSlbZmeVVlzE, google-site-verification=eqtrduRyMRS8TuoUEuYMF-u9_IDRMd1In6T6E1gTchU, google-site-verification=mJdpiJi2GyNG9nz7sctCXgJnzDHzdFzfhOqTTDuMR0s, google-site-verification=qvibgBDBD_1VeFXvgduqw1cmDeMpAS_qBCZCFauYduk
CNAME
—
CAA
0 issue "letsencrypt.org", 0 issue "pki.goog"
WHOIS / Registration
Registration data planned
Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.
Subdomains
Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.
| Subdomain | Resolves to | Last seen |
|---|---|---|
| learn.go.dev | 2026-07-23 17:01:04.707 | |
| go.dev | 2026-07-28 20:14:18.483 | |
| pkg.go.dev | 2026-07-28 19:02:52.609 | |
| play.go.dev | 2026-06-23 09:11:22.952 | |
| staging-pkg.go.dev | 2026-07-26 07:27:11.595 | |
| dev-pkg.go.dev | 1970-01-01 00:00:00.000 | |
| dev-worker.go.dev | 2026-07-19 15:44:49.207 | |
| prod-worker.go.dev | 2026-07-21 13:46:25.471 | |
| staging-worker.go.dev | 1970-01-01 00:00:00.000 | |
| telemetry.go.dev | 1970-01-01 00:00:00.000 | |
| vuln.go.dev | 2026-06-19 18:55:17.262 |
Tech Stack
Tech detection pending
Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.
TLS Certificates
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: kmm.algo.dev.nonprod.ki-in.com
Issuer: YR2
SANs: kmm.algo.dev.nonprod.ki-in.com
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: argo.dev.x-or.cloud
Issuer: YR2
SANs: argo.dev.x-or.cloud
Subject: argo.dev.vermohub.com
Issuer: WR3
SANs: argo.dev.vermohub.com
Subject: staging-pkg.go.dev
Issuer: WR3
SANs: staging-pkg.go.dev
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: daygo.dev
Issuer: E8
SANs: daygo.dev, www.daygo.dev
Subject: argo.dev2.cstreetsandbox.com
Issuer: Amazon RSA 2048 M01
SANs: *.argo.dev2.cstreetsandbox.com, argo.dev2.cstreetsandbox.com
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: pkg.go.dev
Issuer: WR3
SANs: pkg.go.dev
Subject: argo.dev2.cstreetsandbox.com
Issuer: Amazon RSA 2048 M01
SANs: *.argo.dev2.cstreetsandbox.com, argo.dev2.cstreetsandbox.com
Subject: blog.hugo.dego.dev
Issuer: E7
SANs: bbq2025.watzalikhalen.nl, blog.hugo.dego.dev, carnaval2026.watzalikhalen.nl, degoshop.hugo.dego.dev, degoshopapi.hugo.dego.dev, tools.hugo.dego.dev, tvmplanning.hugo.dego.dev, tvmplanning2.hugo.dego.dev, watzalikhalen.nl, zuyderland.dego.nl
Subject: argo.dev.techsferapro.ru
Issuer: YE1
SANs: argo.dev.techsferapro.ru, vault.dev.techsferapro.ru
Subject: texttogo.dev
Issuer: YR1
SANs: texttogo.dev
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: *.megogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.megogo.dev, megogo.dev
Subject: bergo.dev
Issuer: YR1
SANs: *.bergo.dev, bergo.dev
Subject: *.monogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.monogo.dev, monogo.dev
Subject: areaclienti.andrearago.dev
Issuer: YR1
SANs: areaclienti.andrearago.dev, areaclienti.andrearago.it, www.areaclienti.andrearago.dev, www.areaclienti.andrearago.it
Subject: dest1.verdugo.dev
Issuer: R12
SANs: dest1.verdugo.dev
Subject: link.aicodego.dev
Issuer: YE1
SANs: link.aicodego.dev
Subject: dev-worker.go.dev
Issuer: WR3
SANs: dev-worker.go.dev
Subject: algo.dev.nytimes.com
Issuer: WR3
SANs: algo.dev.nytimes.com
Subject: api.goligo.dev
Issuer: YE2
SANs: api.goligo.dev
Subject: *.monogo.dev
Issuer: Sectigo RSA Domain Validation Secure Server CA
SANs: *.monogo.dev, monogo.dev
Subject: connect.claudego.dev
Issuer: YE2
SANs: connect.claudego.dev
Subject: kluge.enigo.dev
Issuer: YE2
SANs: kluge.enigo.dev
IPs Citing This Domain
Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.
68.183.180.24:443
href · ×88
154.17.27.98:443
href · ×76
52.74.219.185:80
href · ×65
47.83.22.91:80
href · ×65
180.131.145.51:443
href · ×38
104.164.55.243:443
href · ×38
180.131.145.16:443
href · ×38
93.95.231.81:443
href · ×38
109.120.185.178:443
href · ×4
45.83.106.131:443
href · ×4
108.4.228.95:443
href · ×3
175.178.216.138:80
href · ×3
141.98.197.132:443
href · ×3
64.23.152.196:443
href · ×3
84.217.77.138:443
href · ×3
81.111.7.186:443
href · ×2
31.214.157.51:443
href · ×2
104.167.241.100:80
href · ×2
81.167.247.237:443
href · ×2
51.75.120.178:443
href · ×2
198.96.117.134:443
href · ×2
216.114.75.139:443
href · ×2
8.145.58.9:443
href · ×2
91.99.14.199:443
href · ×2
129.226.205.223:443
href · ×2
173.62.120.199:443
href · ×2
178.128.142.121:443
href · ×2
45.12.238.201:443
href · ×2
159.223.78.149:443
href · ×2
217.154.13.194:443
href · ×2
91.98.31.197:443
href · ×2
172.104.31.62:443
href · ×2
116.198.228.9:443
href · ×2
45.63.14.102:443
href · ×2
115.159.111.220:443
href · ×2
162.55.41.95:443
href · ×2
80.76.4.15:443
href · ×2
185.178.47.100:443
href · ×2
134.76.24.107:443
href · ×2
124.223.55.98:443
href · ×2
47.116.207.204:80
href · ×2
95.217.14.180:443
href · ×2
18.171.225.23:80
href · ×2
8.134.86.83:443
href · ×2
89.90.172.1:443
href · ×2
82.156.119.216:80
href · ×2
106.52.82.80:80
href · ×2
31.207.77.94:443
href · ×2
42.193.250.202:443
href · ×2
45.32.79.150:443
href · ×2
Origin / IP-Leak
USP
When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.
No origin-IP leaks detected (yet)
Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.
Threat Intelligence
Domain threat-intel pending
Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.
History
Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.
| Type | Value | First seen | Last seen |
|---|---|---|---|
| A | 216.239.36.21 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| A | 216.239.34.21 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| AAAA | 2001:4860:4802:38::15 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| AAAA | 2001:4860:4802:36::15 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| A | 216.239.38.21 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| AAAA | 2001:4860:4802:32::15 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| A | 216.239.32.21 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| AAAA | 2001:4860:4802:34::15 | 2026-05-25 21:56:50.553 | 2026-07-28 20:14:18.483 |
| MX | 5 alt2.aspmx.l.google.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| NS | ns-cloud-e4.googledomains.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| NS | ns-cloud-e1.googledomains.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| CAA | 0 issue "pki.goog" | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| TXT | google-site-verification=3oHHTSOKrjE9J8SIvyj3gUxEtDjmr5oNZ-DbB271vpM | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| MX | 10 alt4.aspmx.l.google.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| MX | 1 aspmx.l.google.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| TXT | google-site-verification=qvibgBDBD_1VeFXvgduqw1cmDeMpAS_qBCZCFauYduk | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| MX | 5 alt1.aspmx.l.google.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| NS | ns-cloud-e2.googledomains.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| TXT | google-site-verification=eqtrduRyMRS8TuoUEuYMF-u9_IDRMd1In6T6E1gTchU | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| MX | 10 alt3.aspmx.l.google.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| NS | ns-cloud-e3.googledomains.com | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| CAA | 0 issue "letsencrypt.org" | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| TXT | google-site-verification=mJdpiJi2GyNG9nz7sctCXgJnzDHzdFzfhOqTTDuMR0s | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |
| TXT | google-site-verification=eYE-BIP9BY8VZCUI_r8sJi7qjRVtxyRQSlbZmeVVlzE | 2026-05-26 00:03:35.658 | 2026-07-28 20:14:18.483 |