artbiogs.co.uk
Observed Jul 26, 2026, 15:27 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byGoogle Workspace
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat artbiogs.co.uk actually stands on - every host below is a signed observation
artbiogs.co.uk
A / AAAA
172.236.14.164
unattributedserves the site
NS
ultra103.uk2.netultra104.uk2.net
uk2.netanswers its DNS
MX
ALT1.ASPMX.L.GOOGLE.COMALT3.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COMALT4.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
www.artbiogs.co.uk
Let's Encryptissued its certificate
DNS Records
A 1
172.236.14.164
MX 5
5ALT1.ASPMX.L.GOOGLE.COM10ALT3.ASPMX.L.GOOGLE.COM1ASPMX.L.GOOGLE.COM10ALT4.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM
TXT 2
v=spf1 include:_spf.hostedemail.com ~allv=spf1 ip4:94.237.50.182 include:_spf.google.com ~all
NS 2
ultra103.uk2.netultra104.uk2.net
SOA 1
ultra103.uk2.net hostmaster\@artbiogs.co.uk
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
www.artbiogs.co.uk |
C=US, O=Let's Encrypt, CN=YE1 | Sun, 04 Oct 2026 02:18:29 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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
rcpt_ac5a4e056f838fe3- Output Hash
9030cd3366c2f46294c5307c19a539bbc4dd70bdba83a6ee7d1afe6f6bc1cd30- Signature
ed25519:560d0ebbe76e4a62492ab66db31964d23e61386bbb2fb59c695d2bea4f4fc202a7f824774b4a2ffedf8094b0386f6c5503060b786a72054b81bbb3713e8f8103- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast