attdns.com
Observed 2026-07-14T07:41:06.039Z (21h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
Email byProofpoint
2 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat attdns.com actually stands on - every host below is a signed observation
attdns.com
NS
ns1.attdns.comns2.attdns.comns3.attdns.comns4.attdns.com
attdns.comanswers its DNS
MX
mx0a-00191d01.pphosted.commx0b-00191d01.pphosted.com
Proofpointreceives its email
HTTPS probe
server_error
Server error (5xx) 530 Server Error
HTTP status530
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time302 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
MX 2
10mx0a-00191d01.pphosted.com10mx0b-00191d01.pphosted.com
NS 4
ns1.attdns.comns2.attdns.comns3.attdns.comns4.attdns.com
SOA 1
ns0.attdns.com eiss-dns.att.com
TLS Certificates (0)
None.
Subdomains (2)
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
30bf78ad-e54f-47b8-910e-047bc3f92af0- Output Hash
57242caa7fa04c25c72c4142fb80006f603a7156999a3ceb8301bfe4df85f7f4- Signature
ed25519:1cf59f85cf8dc640bc782cea2f29014b3efcd1ae25d756bc4a79e9327632677013574e6e15f1c6aa3324c1fbc37bb880b157ec9ff8e1549e971663b66e086407- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast