Check-Host.cc

Domain

debian.org

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of debian.org

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
149
A/AAAA targets
Subdomains
311
CT + scan + body
Record Types
7
seen in DNS
Observed Certs
8
in our scans

DNS Records

A
151.101.130.132, 151.101.194.132, 151.101.2.132, 151.101.66.132
AAAA
2a04:4e42:200::644, 2a04:4e42:400::644, 2a04:4e42:600::644, 2a04:4e42::644
MX
0 mailly.debian.org, 0 mitropoulos.debian.org, 0 muffat.debian.org
NS
dns4.easydns.info, nsp.dnsnode.net, sec1.rcode0.net, sec2.rcode0.net
TXT
google-site-verification=3u3n3jrPTlPrumIxQAl4r0utY6hrkj1_DSvdxjiTSP8, google-site-verification=ZvQZs5Pg8s0z1QdrC74DIZ1J4dPTNcQa8t6apDWXEyc, v=spf1 include:_spf.debian.org ~all
CNAME
CAA
0 iodef "mailto:dsa@debian.org", 128 issue "letsencrypt.org;validationmethods=dns-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/346607", 128 issuewild ";"

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
cdn-fastly.deb.debian.org 2026-07-23 16:24:30.589
ftp.jp.debian.org 2026-07-18 16:05:30.451
www.debian.org 2026-07-30 18:52:37.340
ftp.debian.org 2026-07-30 18:52:37.340
archive.debian.org 2026-07-30 18:52:37.340
backports.debian.org 2026-05-26 03:28:26.010
bits.debian.org 2026-07-26 02:55:49.974
blends.debian.org 2026-07-20 04:11:55.069
deb.debian.org 2026-07-27 19:36:20.742
debian.org 2026-07-28 18:36:19.852
dpl.debian.org 2026-07-23 14:00:02.917
ftp.ee.debian.org 2026-06-22 12:16:34.576
ftp.hu.debian.org 2026-05-27 09:15:10.263
ftp.si.debian.org 2026-05-26 09:16:04.756
http.us.debian.org 2026-07-23 18:18:41.222
incoming.debian.org 2026-07-28 09:13:54.986
lintian.debian.org 2026-06-14 22:08:58.337
manpages.debian.org 2026-07-28 20:47:52.650
metadata.security.debian.org 2026-07-24 10:30:06.649
micronews.debian.org 2026-07-26 02:55:49.974
planet-backend.debian.org 2026-05-31 09:07:40.766
planet.debian.org 2026-07-26 02:55:49.974
security-cdn.debian.org 2026-05-26 07:11:25.510
security.debian.org 2026-07-27 19:36:20.742
snapshot-fastly.debian.org 2026-06-16 07:59:52.336
snapshot-master.debian.org 2026-06-16 07:59:52.336
snapshot.debian.org 2026-07-27 12:12:08.125
static.debian.org 2026-07-30 18:52:37.340
cdimage.debian.org 2026-07-27 09:00:22.844
cloud.debian.org 2026-07-25 20:41:18.975
get.debian.org 2026-07-25 20:41:18.975
dyn.manpages.debian.org 2026-06-16 07:59:52.336
mirror-master.debian.org 2026-05-26 23:04:58.757
packages.debian.org 2026-07-28 20:39:29.599
snapshot-cloudflare.debian.org 2026-06-16 07:59:52.336
anonscm.debian.org 2026-06-15 00:23:13.348
bendel.debian.org 2026-06-20 16:53:09.744
browse.dgit.debian.org 2026-07-22 03:41:57.833
bugs-master.debian.org 2026-07-28 09:13:54.986
bugs.debian.org 2026-07-28 20:58:16.328
buildd.debian.org 2026-07-23 14:40:07.464
buxtehude.debian.org 2026-07-23 21:10:52.683
cdimage-search.debian.org 2026-06-03 12:38:12.802
cgi.debian.org 2026-06-17 16:51:57.116
coccia.debian.org 2026-07-17 01:38:27.641
db.debian.org 2026-07-30 18:52:37.340
debussy.debian.org 2026-06-21 00:24:46.143
delfin.debian.org 2026-06-21 00:24:46.143
dns.debian.org 2026-07-30 18:52:37.340
ftmg.sso.debian.org 2026-06-22 06:57:25.113
ftp.at.debian.org 2026-05-27 16:51:55.350
ftp.au.debian.org 2026-07-28 19:11:54.346
ftp.be.debian.org 2026-05-27 08:46:39.912
ftp.br.debian.org 2026-07-26 14:20:02.700
ftp.de.debian.org 2026-06-17 22:03:08.210
ftp.fr.debian.org 2026-07-23 22:06:59.602
ftp.is.debian.org 2026-07-23 10:30:12.221
ftp.it.debian.org 2026-07-22 21:00:20.680
ftp.md.debian.org 2026-05-26 16:03:41.672
ftp.nl.debian.org 2026-05-26 21:57:05.653
ftp.nz.debian.org 2026-06-15 00:39:07.757
ftp.pt.debian.org 2026-05-26 19:16:41.100
ftp.uk.debian.org 2026-07-27 12:12:08.125
ftp2.de.debian.org 2026-05-27 11:54:09.352
git.debian.org 2026-07-30 18:52:37.340
git.dgit.debian.org 2026-06-22 07:10:42.540
godard.debian.org 2026-07-23 21:10:52.683
klecker.debian.org 2026-07-28 02:58:03.815
lists.debian.org 2026-07-30 18:52:37.340
lw07.debian.org 2026-07-19 18:03:22.363
menotti.debian.org 2026-06-21 00:27:58.250
mirror-accum.debian.org 2026-07-28 10:38:49.299
mirror-csail.debian.org 2026-07-25 10:15:13.273
mirror-osuosl.debian.org 2026-07-27 12:54:56.078
mon.debian.org 2026-06-03 12:41:07.608
nm.debian.org 2026-05-27 14:15:03.762
nono.debian.org 2026-06-20 19:25:31.707
packages-picconi.debian.org 2026-07-18 18:54:45.097
packages-pkgmirror-csail.debian.org 2026-07-18 18:54:45.097
paradis.debian.org 2026-06-18 06:03:06.357
pejacevic.debian.org 2026-07-27 10:31:11.024
people.debian.org 2026-07-17 08:47:01.929
philp.debian.org 2026-07-23 17:09:25.102
popcon.debian.org 2026-07-20 04:11:55.069
qa.debian.org 2026-07-30 18:52:37.340
reger.debian.org 2026-07-23 17:19:18.601
registry.salsa.debian.org 2026-07-21 19:39:50.426
salsa.debian.org 2026-07-27 12:12:08.125
santoro.debian.org 2026-07-27 22:55:00.916
search.debian.org 2026-07-26 02:55:49.974
snapshot-lw07.debian.org 2026-07-19 18:03:22.363
soriano.debian.org 2026-06-20 16:56:23.677
ssh.debian.org 2026-07-30 18:52:37.340
sso.debian.org 2026-07-30 18:52:37.340
static-mirror-grnet-01.debian.org 2026-07-26 04:42:40.998
syncproxy2.eu.debian.org 2026-06-19 21:25:52.624
syncproxy2.wna.debian.org 2026-07-23 21:02:03.241
syncproxy3.wna.debian.org 2026-07-27 03:30:49.365
syncproxy4.eu.debian.org 2026-07-27 10:31:11.024
ticharich.debian.org 2026-06-21 09:54:10.479
tye.debian.org 2026-06-21 06:11:12.597
viardot.debian.org 2026-06-21 00:34:23.812
webhook.salsa.debian.org 2026-07-23 07:09:07.544
wiki.debian.org 2026-07-30 18:52:37.340
appstream.debian.org
1970-01-01 00:00:00.000
archive-fastly.debian.org
1970-01-01 00:00:00.000
archive-master.debian.org
1970-01-01 00:00:00.000
benchmarksgame.alioth.debian.org
1970-01-01 00:00:00.000
bugs-bembo.debian.org
1970-01-01 00:00:00.000
bugs-berlioz.debian.org
1970-01-01 00:00:00.000
bugs-buxtehude.debian.org
1970-01-01 00:00:00.000
bugs-devel.debian.org
1970-01-01 00:00:00.000
cdn-fastly-test.deb.debian.org
1970-01-01 00:00:00.000
cvs.debian.org
1970-01-01 00:00:00.000
debtags.debian.org
1970-01-01 00:00:00.000
docker-registry.debian.org 2026-07-16 18:14:05.175
example.debian.org
1970-01-01 00:00:00.000
ftp-master.metadata.debian.org
1970-01-01 00:00:00.000
ftp.ru.debian.org 2026-07-16 18:48:07.784
ftp.sk.debian.org 2026-06-15 00:39:07.757

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: mirror-accum.debian.org
Issuer: Debian SMTP CA
SANs: mirror-accum.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: santoro.debian.org
Issuer: YR1
SANs: santoro.debian.org
Subject: mirror-osuosl.debian.org
Issuer: Debian SMTP CA
SANs: mirror-osuosl.debian.org
Subject: pejacevic.debian.org
Issuer: YR2
SANs: pejacevic.debian.org
Subject: mirror-osuosl.debian.org
Issuer: Debian SMTP CA
SANs: mirror-osuosl.debian.org
Subject: mirror-accum.debian.org
Issuer: Debian SMTP CA
SANs: mirror-accum.debian.org
Subject: static-mirror-grnet-01.debian.org
Issuer: Debian SMTP CA
SANs: static-mirror-grnet-01.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: mirror-csail.debian.org
Issuer: YR1
SANs: mirror-csail.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: mirror-osuosl.debian.org
Issuer: Debian SMTP CA
SANs: mirror-osuosl.debian.org
Subject: static-mirror-grnet-01.debian.org
Issuer: Debian SMTP CA
SANs: static-mirror-grnet-01.debian.org
Subject: mirror-csail.debian.org
Issuer: YR1
SANs: mirror-csail.debian.org
Subject: buxtehude.debian.org
Issuer: YR2
SANs: buxtehude.debian.org
Subject: godard.debian.org
Issuer: YR1
SANs: godard.debian.org
Subject: mirror-osuosl.debian.org
Issuer: Debian SMTP CA
SANs: mirror-osuosl.debian.org
Subject: godard.debian.org
Issuer: YR1
SANs: godard.debian.org
Subject: static-mirror-grnet-01.debian.org
Issuer: Debian SMTP CA
SANs: static-mirror-grnet-01.debian.org
Subject: reger.debian.org
Issuer: YR1
SANs: reger.debian.org
Subject: philp.debian.org
Issuer: YR2
SANs: philp.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: mirror-csail.debian.org
Issuer: YR1
SANs: mirror-csail.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org
Subject: browse.dgit.debian.org
Issuer: YR2
SANs: browse.dgit.debian.org
Subject: mirror-osuosl.debian.org
Issuer: Debian SMTP CA
SANs: mirror-osuosl.debian.org
Subject: static-mirror-grnet-01.debian.org
Issuer: Debian SMTP CA
SANs: static-mirror-grnet-01.debian.org
Subject: klecker.debian.org
Issuer: YR1
SANs: klecker.debian.org

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

185.125.202.164:443 href · ×5
37.60.241.49:443 href · ×4
172.93.185.111:443 href · ×2
139.59.143.34:8443 href · ×2
94.183.188.56:80 href · ×2
194.32.77.164:443 href · ×2
83.6.214.176:80 href · ×2
8.137.95.27:80 href · ×2
176.124.203.112:80 href · ×2
80.240.25.185:443 href · ×2
150.241.103.33:443 href · ×2
78.141.211.97:443 href · ×2
46.225.185.161:80 href · ×2
92.176.26.212:443 href · ×2
65.49.205.181:443 href · ×2
185.243.112.122:443 href · ×2
159.196.146.83:80 href · ×2
132.243.23.125:80 href · ×2
64.188.93.6:443 href · ×2
150.241.103.33:80 href · ×2
101.42.90.238:80 href · ×1
47.96.42.192:80 href · ×1
45.148.62.3:80 href · ×1
146.19.19.10:80 href · ×1
113.46.237.9:80 href · ×1
49.232.153.234:80 href · ×1
195.208.8.18:8443 href · ×1
14.224.204.66:443 href · ×1
23.138.76.16:80 href · ×1
86.208.208.28:80 href · ×1
106.12.13.10:80 href · ×1
172.93.189.167:80 href · ×1
193.177.220.88:80 href · ×1
135.125.75.171:443 href · ×1
45.153.131.205:443 href · ×1
223.85.58.50:80 href · ×1
150.230.208.153:80 href · ×1
37.123.193.16:80 href · ×1
49.235.78.104:80 href · ×1
123.56.79.169:80 href · ×1
138.201.186.89:443 href · ×1
147.135.70.24:80 href · ×1
209.141.45.150:80 href · ×1
175.106.95.202:80 href · ×1
154.8.144.78:443 href · ×1
37.193.126.81:443 href · ×1
212.64.21.241:80 href · ×1
43.136.94.136:80 href · ×1
38.114.103.199:80 href · ×1
185.236.72.75:80 href · ×1

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.

Origin IP Origin ASN CDN ASN Confidence Reasoning
138.68.91.181 AS14061 AS54113 95% cert f394343b… served by 138.68.91.181 (AS14061) carries SAN archive.debian.org which currently resolves through Fastly (AS54113) at 2a04:4e42::644, 151.101.194.132, 151.101.2.132, 151.101.66.132

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
MX 0 mailly.debian.org 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
NS dns4.easydns.info 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
TXT google-site-verification=3u3n3jrPTlPrumIxQAl4r0utY6hrkj1_DSvdxjiTSP8 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
A 151.101.130.132 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
A 151.101.2.132 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
NS sec2.rcode0.net 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
A 151.101.194.132 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
NS sec1.rcode0.net 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
TXT google-site-verification=ZvQZs5Pg8s0z1QdrC74DIZ1J4dPTNcQa8t6apDWXEyc 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
AAAA 2a04:4e42::644 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
SRV _xmpp-server._tcp 5 0 5269 vogler.debian.org 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
CAA 0 iodef "mailto:dsa@debian.org" 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
AAAA 2a04:4e42:600::644 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
AAAA 2a04:4e42:200::644 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
CAA 128 issuewild ";" 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
TXT v=spf1 include:_spf.debian.org ~all 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
SRV _xmpp-client._tcp 5 0 5222 vogler.debian.org 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
MX 0 muffat.debian.org 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
NS nsp.dnsnode.net 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
CAA 128 issue "letsencrypt.org;validationmethods=dns-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/346607" 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
A 151.101.66.132 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
MX 0 mitropoulos.debian.org 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852
AAAA 2a04:4e42:400::644 2026-05-26 00:03:35.658 2026-07-28 18:36:19.852