Domain

tailscale.com

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

DNS Check HTTP Check Run Full Scan .com TLD

Run a live full scan of tailscale.com

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

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Hosting IPs

—

A/AAAA targets

Subdomains

—

CT + scan + body

Record Types

—

seen in DNS

Observed Certs

—

in our scans

DNS Records

76.76.21.21

AAAA

2600:9000:a51d:27c1:6748:d035:a989:fb3c, 2600:9000:a602:b1e6:5b89:50a1:7cf7:67b8

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-1359.awsdns-41.org, ns-1558.awsdns-02.co.uk, ns-197.awsdns-24.com, ns-557.awsdns-05.net

TXT

723757a747, MS=34DDD317D9FEB51560ED2178552EF5F487EFDA34, MS=ms19736920, MS=ms46037000, anthropic-domain-verification-vpgx4y=uwN6CwOz0NQijKYGDthCAEt9C, asv=c034fa773cb1b431402a28453995174d, atlassian-domain-verification=nffRaFBNr1PtD33kaEsaD9CvW1YDeLVUva1REQBQXomao5ORxyNOYh8uEBKGJXt1, atlassian-sending-domain-verification=8ec3fea9-480e-4fea-ad9d-b8106e2f47bd

CNAME

—

CAA

0 issue "amazon.com", 0 issue "amazonaws.com", 0 issue "amazontrust.com", 0 issue "awstrust.com", 0 issue "comodoca.com", 0 issue "digicert.com", 0 issue "letsencrypt.org", 0 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
admin.tailscale.com	192.200.0.113 2606:b740:49::109 2606:b740:49::103 2606:b740:49::110 +28	2026-07-27 04:41:07.525
api.tailscale.com	192.200.0.103 2606:b740:49::112 2606:b740:49::111 2606:b740:49::108 +28	2026-07-27 04:41:07.525
app.tailscale.com	192.200.0.116 2606:b740:49::104 2606:b740:49::115 2606:b740:49::108 +28	2026-07-27 04:41:07.525
controlplane.tailscale.com	192.200.0.102 2606:b740:49::105 2606:b740:49::101 2606:b740:49::106 +28	2026-07-25 19:32:21.837
login.tailscale.com	192.200.0.112 2606:b740:49::107 2606:b740:49::109 2606:b740:49::111 +28	2026-07-27 18:17:12.415
portal.tailscale.com	192.200.0.102 2606:b740:49::102 2606:b740:49::106 2606:b740:49::113 +28	2026-07-27 04:41:07.525
pkgs.tailscale.com	18.66.122.53 2600:9000:2250:7a00:19:e3cb:f900:93a1 2600:9000:2250:ae00:19:e3cb:f900:93a1 18.66.122.10 +16	2026-06-22 10:00:57.906
console.tailscale.com	18.239.36.46 2600:9000:20a0:1600:14:5b2c:e0c0:93a1 2600:9000:20a0:6e00:14:5b2c:e0c0:93a1 2600:9000:20a0:fc00:14:5b2c:e0c0:93a1 +8	2026-07-27 04:41:07.525
dl.tailscale.com	18.239.83.14 2600:9000:2447:8400:19:e3cb:f900:93a1 2600:9000:2447:8c00:19:e3cb:f900:93a1 2600:9000:2447:4800:19:e3cb:f900:93a1 +8	2026-07-27 04:41:07.525
my.tailscale.com	18.239.18.31 2600:9000:2449:4600:18:80e4:c680:93a1 2600:9000:2449:7c00:18:80e4:c680:93a1 2600:9000:2449:f200:18:80e4:c680:93a1 +8	2026-07-27 04:41:07.525
derp4-all.tailscale.com	185.40.234.219 2a00:dd80:20::8f 2a00:dd80:20::bcf 185.40.234.176 +6	2026-06-23 13:57:30.766
derp27-all.tailscale.com	178.156.134.232 2a01:4ff:f0:3db9::1 2a01:4ff:f0:3913::1 2a01:4ff:f0:28d4::1 +4	2026-06-21 10:09:49.590
derp11-all.tailscale.com	172.237.61.190 172.237.61.197 172.237.61.194 2600:3c0d::2000:d2ff:fe43:1790 +2	2026-06-21 11:03:14.269
derp12-all.tailscale.com	199.38.182.118 2607:f740:e::4c8 2607:f740:e::811 2607:f740:e::b17 +2	2026-06-24 07:10:31.302
derp13-all.tailscale.com	192.73.242.187 192.73.242.204 192.73.242.28 2607:f740:16::640 +2	2026-07-25 18:47:17.528
derp14-all.tailscale.com	176.58.93.154 176.58.93.248 176.58.93.147 2a00:dd80:3c::3d5 +2	2026-06-17 18:41:52.691
derp17-all.tailscale.com	192.73.244.245 208.111.40.216 2607:f740:c::e1b 2607:f740:c::10 +2	2026-07-26 13:38:09.434
derp19-all.tailscale.com	45.159.97.233 45.159.97.144 45.159.97.61 2a00:dd80:14:10::20 +2	2026-06-23 14:57:05.679
derp2-all.tailscale.com	208.111.34.178 2607:f740:0:3f::44c 2607:f740:0:3f::287 2607:f740:0:3f::f4 +2	2026-06-23 22:59:58.557
derp20-all.tailscale.com	205.147.105.30 103.6.84.152 2403:2500:8000:1::ef6 2403:2500:8000:1::5fb +2	2026-06-23 01:02:26.960
derp200-staging-all.tailscale.com	188.245.243.38 2a01:4f8:1c1b:e23b::1 2a01:4f8:1c1b:e23c::1 2a01:4f8:1c1b:e244::1 +2	2026-06-20 23:38:09.913
derp201-staging-all.tailscale.com	5.161.206.103 2a01:4ff:f0:37b8::1 2a01:4ff:f0:bff7::1 2a01:4ff:f0:a158::1 +2	2026-06-21 00:34:23.812
derp21-all.tailscale.com	162.248.221.199 162.248.221.215 2607:f740:50::f10 2607:f740:50::1d1 +2	2026-07-23 07:28:23.933
derp22-all.tailscale.com	45.159.98.196 45.159.98.145 45.159.98.253 2a00:dd80:40:100::211 +2	2026-07-26 02:30:53.514
derp23-all.tailscale.com	185.34.3.232 2a00:dd80:3f:100::76f 185.34.3.207 2a00:dd80:3f:100::97e +2	2026-07-17 21:43:35.241
derp24-all.tailscale.com	208.83.233.233 208.72.155.133 208.83.234.151 2001:19f0:c000:c586:5400:4ff:fe26:2ba6 +2	2026-06-20 22:06:13.264
derp25-all.tailscale.com	102.67.167.245 102.67.167.37 102.67.167.188 2c0f:edb0:2000:1::2c7 +2	2026-06-17 05:30:56.269
derp26-all.tailscale.com	167.235.72.200 2a01:4f8:1c1c:47b6::1 2a01:4f8:1c1c:5c70::1 2a01:4f8:1c0c:7d06::1 +2	2026-06-22 20:20:48.991
derp8-all.tailscale.com	176.58.92.144 176.58.92.254 2a00:dd80:3a::dfa 2a00:dd80:3a::b33 +2	2026-07-24 18:02:43.380
derp9-all.tailscale.com	209.177.156.197 192.73.248.83 209.177.156.94 2607:f740:100::359 +2	2026-06-18 21:08:18.124
ingress-fra-01.tailscale.com	185.40.234.172 185.40.234.210 185.40.234.37 2a00:dd80:20::e3d +2	2026-07-15 02:43:06.498
ingress-lhr-01.tailscale.com	176.58.92.199 2a00:dd80:3a::131 2a00:dd80:3a::336 2a00:dd80:3a::49d +2	2026-07-15 02:59:08.764
api.arma.tailscale.com	199.165.136.254 199.165.136.255 2606:b740:1:12::10 2606:b740:1:11::10	2026-06-18 05:17:44.767
aws.tailscale.com	76.223.15.28 13.248.141.131 2600:9000:a602:b1e6:86d:8165:5e8c:295b 2600:9000:a51d:27c1:1530:b9ef:2a6:b9e5	2026-06-22 20:42:37.559
discover.tailscale.com	3.174.46.60 3.174.46.103 3.174.46.27 3.174.46.100	2026-05-31 06:55:40.744
ingress-nyc-01.tailscale.com	209.177.145.137 199.38.181.54 2607:f740:f::688 2607:f740:f::684	2026-07-15 02:43:06.498
ingress-sfo-01.tailscale.com	208.111.34.11 208.111.35.209 2607:f740:0:3f::2f0 2607:f740:0:3f::3cc	2026-07-15 02:43:06.498
ingress-syd-01.tailscale.com	43.245.48.235 43.245.48.174 2403:2500:9000:1::4b1 2403:2500:9000:1::2b	2026-07-15 02:43:06.498
log.tailscale.com	199.165.136.101 199.165.136.100 2606:b740:1:20::103 2606:b740:1:20::102	2026-07-27 04:41:07.525
login.arma.tailscale.com	199.165.136.254 199.165.136.255 2606:b740:1:12::10 2606:b740:1:11::10	2026-06-22 07:17:43.781
tailscale.com	76.76.21.21 2600:9000:a602:b1e6:5b89:50a1:7cf7:67b8 2600:9000:a51d:27c1:6748:d035:a989:fb3c	2026-07-28 19:02:52.609
www.tailscale.com	76.76.21.21 2600:9000:a602:b1e6:5b89:50a1:7cf7:67b8 2600:9000:a51d:27c1:6748:d035:a989:fb3c	2026-07-27 04:41:07.525
api.us.tailscale.com	18.210.110.19 2600:1f18:1c54:9c01:7d72:a4b0:fd38:44f3	2026-06-15 10:00:35.240
control.tailscale.com	3.121.44.151 2a05:d014:386:202:d860:5290:27e9:aa6c	2026-07-27 04:41:07.525
derp10-sea.tailscale.com	137.220.36.168 2001:19f0:8001:2d9:5400:2ff:feef:bbb1	2026-06-21 13:17:28.456
derp11g.tailscale.com	172.237.61.190 2600:3c0d::2000:62ff:febe:2e67	2026-07-22 06:37:48.710
derp12b.tailscale.com	45.63.71.144 2001:19f0:5c01:48a:5400:3ff:fe8d:cb5f	2026-07-16 15:11:04.864
derp12d.tailscale.com	209.177.158.246 2607:f740:e::811	2026-06-18 04:38:53.823
derp12f.tailscale.com	199.38.182.118 2607:f740:e::4c8	2026-06-18 04:38:53.823
derp13d.tailscale.com	192.73.242.204 2607:f740:16::c23	2026-06-17 19:23:39.230
derp14d.tailscale.com	176.58.93.154 2a00:dd80:3c::3d5	2026-06-18 07:51:52.678
derp16c.tailscale.com	192.73.243.229 2607:f740:17::4e4	2026-06-18 08:41:16.580
derp16d.tailscale.com	192.73.243.141 2607:f740:17::475	2026-06-18 07:51:52.678
derp17b.tailscale.com	192.73.244.245 2607:f740:c::646	2026-06-18 08:32:34.679
derp17d.tailscale.com	208.111.40.216 2607:f740:c::e1b	2026-06-18 08:41:16.580
derp18c.tailscale.com	176.58.90.207 2a00:dd80:3e::c19	2026-06-20 19:40:16.503
derp19b.tailscale.com	45.159.97.144 2a00:dd80:14:10::335	2026-06-18 14:18:20.205
derp19d.tailscale.com	45.159.97.233 2a00:dd80:14:10::34a	2026-06-20 22:25:55.664
derp1c.tailscale.com	104.248.8.210 2604:a880:800:10::7a0:e001	2026-06-20 19:46:38.139
derp1i.tailscale.com	199.38.181.103 2607:f740:f::e19	2026-07-24 17:31:50.505
derp2-sfo.tailscale.com	167.172.206.31 2604:a880:2:d1::c5:7001	2026-06-22 22:30:05.725
derp2.tailscale.com	167.172.206.31 2604:a880:2:d1::c5:7001	2026-06-21 20:53:07.298
derp200b-staging.tailscale.com	188.245.243.38 2a01:4f8:1c1b:e23c::1	2026-06-20 07:54:49.785
derp201b-staging.tailscale.com	178.156.143.228 2a01:4ff:f0:37b8::1	2026-06-18 03:17:54.405
derp201d-staging.tailscale.com	5.161.206.103 2a01:4ff:f0:a158::1	2026-06-18 06:12:21.987
derp20b.tailscale.com	103.6.84.152 2403:2500:8000:1::ef6	2026-06-18 09:23:39.951
derp21b.tailscale.com	162.248.221.199 2607:f740:50::1d1	2026-06-18 23:21:53.221
derp21c.tailscale.com	162.248.221.215 2607:f740:50::f10	2026-06-22 00:36:08.901
derp25d.tailscale.com	102.67.167.188 2c0f:edb0:2000:1::188	2026-06-19 03:23:22.491
derp26b.tailscale.com	167.235.72.200 2a01:4f8:1c1c:47b6::1	2026-06-20 17:53:36.474
derp27b.tailscale.com	5.161.218.233 2a01:4ff:f0:3db9::1	2026-06-20 07:48:49.534
derp28b.tailscale.com	65.109.143.62 2a01:4f9:c012:d55c::1	2026-06-21 00:40:39.984
derp28c.tailscale.com	95.217.2.165 2a01:4f9:c012:cd74::1	2026-06-18 12:30:12.110
derp28d.tailscale.com	157.180.28.32 2a01:4f9:c012:2e5b::1	2026-06-20 12:04:59.957
derp2b.tailscale.com	64.227.106.23 2604:a880:4:1d0::29:9000	2026-06-21 18:16:45.055
derp2f.tailscale.com	208.111.34.178 2607:f740:0:3f::f4	2026-06-22 08:53:12.462
derp3f.tailscale.com	172.237.72.8 2600:3c15::2000:53ff:fe48:a668	2026-06-21 03:20:24.504
derp3g.tailscale.com	172.237.72.79 2600:3c15::2000:adff:fe08:6fab	2026-06-19 16:42:48.146
derp4c.tailscale.com	134.122.77.138 2a03:b0c0:3:d0::1501:6001	2026-07-21 18:22:14.413
derp4g.tailscale.com	185.40.234.113 2a00:dd80:20::8f	2026-06-20 20:35:02.791
derp5-syd.tailscale.com	103.43.75.49 2001:19f0:5801:10b7:5400:2ff:feaa:284c	2026-06-21 13:57:47.229
derp5.tailscale.com	103.43.75.49 2001:19f0:5801:10b7:5400:2ff:feaa:284c	2026-06-21 13:39:41.363
derp5f.tailscale.com	172.105.166.103 2400:8907::2000:ccff:fe1f:80da	2026-06-21 20:31:06.333
derp5g.tailscale.com	172.105.169.57 2400:8907::2000:2fff:fea7:57f4	2026-06-19 17:26:05.513
derp6-blr.tailscale.com	68.183.90.120 2400:6180:100:d0::982:d001	2026-06-23 23:31:11.571
derp7-tok.tailscale.com	167.179.89.145 2401:c080:1000:467f:5400:2ff:feee:22aa	2026-06-23 17:28:50.722
derp7g.tailscale.com	172.238.6.179 2600:3c18::2000:3fff:fe80:3ebd	2026-06-19 17:55:58.048
derp7h.tailscale.com	172.237.28.183 2600:3c18::2000:b1ff:fea9:4560	2026-06-23 04:29:16.946
derp8e.tailscale.com	176.58.92.144 2a00:dd80:3a::b33	2026-06-16 11:00:30.816
derp8f.tailscale.com	176.58.88.183 2a00:dd80:3a::dfa	2026-06-20 20:14:47.250
derp9c.tailscale.com	155.138.243.219 2001:19f0:6401:fe7:5400:3ff:fe8d:6d9c	2026-06-21 09:20:50.583
derp9d.tailscale.com	209.177.156.94 2607:f740:100::c05	2026-06-21 06:27:57.185
derp9f.tailscale.com	209.177.156.197 2607:f740:100::cad	2026-06-21 09:54:10.479
forum.tailscale.com	216.66.8.75 2602:fd3f:2:ff02::4b	2026-07-27 04:41:07.525
login.us.tailscale.com	18.210.110.19 2600:1f18:1c54:9c01:7d72:a4b0:fd38:44f3	2026-06-18 08:36:42.407
monitoring.tailscale.com	52.70.139.159 2600:1f18:b7:c100:761:f936:c790:520c	2026-07-27 04:41:07.525
status.tailscale.com	66.33.60.129 76.76.21.22	2026-07-27 04:41:07.525
usage.tailscale.com	3.68.169.130 3.68.11.43	2026-05-27 06:27:53.055
backend-arma-01.tailscale.com		1970-01-01 00:00:00.000
backend-fra-dt2.tailscale.com		1970-01-01 00:00:00.000
blog.tailscale.com	76.76.21.21	2026-07-27 04:41:07.525
ci-webhook.tailscale.com		1970-01-01 00:00:00.000
controlplane.arma.tailscale.com		1970-01-01 00:00:00.000
dab.corp.tailscale.com	52.206.124.99	2026-07-26 09:02:45.579
derp.tailscale.com		1970-01-01 00:00:00.000
derp1-all.tailscale.com		1970-01-01 00:00:00.000
derp1-nyc.tailscale.com		1970-01-01 00:00:00.000
derp1-v6.tailscale.com	2604:a880:400:d1::828:b001	2026-07-17 16:01:35.629
derp1.tailscale.com		1970-01-01 00:00:00.000
derp10.tailscale.com		1970-01-01 00:00:00.000
derp11f.tailscale.com		1970-01-01 00:00:00.000
derp12b-v6.tailscale.com	2001:19f0:5c01:48a:5400:3ff:fe8d:cb5f	2026-07-18 12:48:43.519
derp12d-v6.tailscale.com	2607:f740:e::811	2026-06-20 16:36:29.331
derp12e-v6.tailscale.com	2607:f740:e::b17	2026-06-20 15:37:22.105
derp12f-v6.tailscale.com	2607:f740:e::4c8	2026-07-23 03:57:18.268
derp13c-v6.tailscale.com		1970-01-01 00:00:00.000
derp14c-v6.tailscale.com	2a00:dd80:3c::b09	2026-07-17 08:19:24.071
derp14c.tailscale.com		1970-01-01 00:00:00.000
derp14d-v6.tailscale.com	2a00:dd80:3c::3d5	2026-07-20 04:02:26.036
derp15-all.tailscale.com		1970-01-01 00:00:00.000

Tech Stack

Tech detection pending

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

TLS Certificates

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

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

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.