bt.com

Observed Jul 18, 2026, 12:03 UTC (14h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onIncapsula

Email byMicrosoft 365

Secured byDigiCert

Also usesFacebook/MetaAtlassianGoogle Search Console

11 subdomains · telecom

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat bt.com actually stands on - every host below is a signed observation

bt.com

A / AAAA

45.60.65.2345.60.72.23

Incapsulaserves the site

DYDNS0.bt.comEDDNS1.bt.comEDDNS0.bt.comDYDNS1.bt.com

bt.comanswers its DNS

btgroupcloud-mail-onmicrosoft-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.bt.com

DigiCert Incissued its certificate

DNS Records

A 2

45.60.65.23
45.60.72.23

MX 1

10btgroupcloud-mail-onmicrosoft-com.mail.protection.outlook.com

TXT 54

fastly-domain-delegation-5Lazp7wYoooiwDL9dEWZ-422411-2021-07-22
_9k4vppymta57qs1qkz8ioo2l3gx22p1
_rfekfxf1yes9bsgohx5au51nlhla5ob
_0j7861vbjb8la6jhqjo3y80pocnw2ce
DNRynrIWZj7FpJ7nTv6o0S9OiH9++PvCF6byh33McE4=
abusix-inc-domain-verification-2krgyn=z84EaQ48vKfAWBJptZi4Cjd2o
MS173292
x6MWUs7ki3ZXYAZgVHRipb4Y7L33ZqthzG8Wbb4vSlE=
qRopWoq/R1mmlrFP3CcfSGfW/3MIPo9zmLSfpe5jAM1aIHOzroByZqIVeColeWxGi3AFCqaTyCC0sE4r8N6o0A==
_fu9wexpb3hl7k2jggs33dn43b3mbtum

NS 4

DYDNS0.bt.com
EDDNS1.bt.com
EDDNS0.bt.com
DYDNS1.bt.com

SOA 1

EDDNS0.bt.com zzdnsr.bt.com

SRV 1

nxpfs.ucfederationcloud.com:5269 p20

TLS Certificates (2)

Common Name	Issuer	Expires
`www.bt.com`	C=US, O=DigiCert Inc, CN=GeoTrust EV RSA CA G2	Thu, 04 Mar 2027 23:59:59 +0000
`GeoTrust EV RSA CA G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Jul 2030 12:42:57 +0000

Subdomains (11)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for bt.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/bt.com">
  <img src="https://domaindrift.io/badge/bt.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for bt.com">
</a>

Ed25519 Receipt

Receipt ID: c9797dab-2933-40b0-97ee-a89d69d3576d
Output Hash: a953c34f688e0ca96c11869fe7cef0f7de63897cdb8b6ab3f358daf7db00ef05
Signature: ed25519:359fe14aca799b49455ef7f6648cae4d5bdd2e5e7b799bb5cecb355e7b107f2d08adf97161ed76aa67b84e96132442ed044f26ad66356c489e4f82334dcfc700
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/bt.com