btinternet.com
Observed 2026-07-13T23:48:59.649Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onBritish Telecommunications Limited
Registered withNetwork Solutions, LLC
19 subdomains · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat btinternet.com actually stands on - every host below is a signed observation
btinternet.com
A / AAAA
213.123.20.90
British Telecommunications Limitedserves the site
NS
dydns1.bt.comeddns0.bt.comeddns1.bt.comdydns0.bt.com
bt.comanswers its DNS
MX
mx.bt.prod.cloud.openwave.ai
openwave.aireceives its email
HTTPS probe
timeout
No response within the timeout Connection timed out - no response within 3s
HTTP status0
Servernot observed
TLS protocolnot observed
TLS issuernot observed
Behind Cloudflareno
Response time6200 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
213.123.20.90
MX 1
1mx.bt.prod.cloud.openwave.ai
TXT 6
_qc5a2ft6vnutyvzml56qigfj133evze40j58k94nmjtzrbx0n6lbf0tj08f7t2fzxmxf86d6lvvlp8j49c2xl82gw9mck4pv=spf1 include:_spf.btinternet.com include:bt.com ~all06blyt37bgmt6ddy8mwxhyr25cjdbcc3v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rua=mailto:dmarcagg@btinternet.com; ruf=mailto:dmarcf@btinternet.com;
NS 4
dydns1.bt.comeddns0.bt.comeddns1.bt.comdydns0.bt.com
SOA 1
eddns0.bt.com zzdnsr.bt.com
TLS Certificates (0)
None.
Subdomains (19)
- autoconfig.btinternet.com
- autodiscover.btinternet.com
- cache.btinternet.com
- cal.btinternet.com
- caldav.btinternet.com
- calendar.btinternet.com
- card.btinternet.com
- carddav.btinternet.com
- connect.btinternet.com
- contacts.btinternet.com
- imap.btinternet.com
- mail.btinternet.com
- news.btinternet.com
- ns1.btinternet.com
- ns2.btinternet.com
- pop.btinternet.com
- smtp.btinternet.com
- test.btinternet.com
- www.btinternet.com
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 receiptEd25519 Receipt
- Receipt ID
ec95cd30-45d9-4e0f-a3f1-68c8a0046c9b- Output Hash
922d0af4f8ccc80c5cac6d94801ef6f31f947b192df0c73fd3851755faa0ce26- Signature
ed25519:1409343ecbe47ee2242a2cf9cb22b901d81e53216077a89bff41ad7f7bd2211fbafb3338b528560ea0da9c58a2f6eada87c4079d2d83a63981690d90dcc3ef0f- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast