atcorecords.com
Observed Aug 9, 2026, 20:56 UTC (22h 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
Runs onAmazon
Email byGoogle Workspace
Secured byLet's Encrypt
Registered withGoDaddy Corporate Domains, LLC
Also usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat atcorecords.com actually stands on - every host below is a signed observation
atcorecords.com
A / AAAA
13.248.160.13776.223.34.124
Amazonserves the site
NS
dns1.p04.nsone.netdns2.p04.nsone.netdns3.p04.nsone.netdns4.p04.nsone.net
nsone.netanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
atcorecords.com
Let's Encryptissued its certificate
DNS Records
A 2
13.248.160.13776.223.34.124
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 5
MS=ms57055959adobe-idp-site-verification=528bb201a5d7810853f60ff265fffbd4d9f8a0e6fcc52b7a0e580d6a75d0ec12google-site-verification=UaQedI27mrIr6_ZiWgYsiJqfYybq6DC8f-MNEE652SYv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:spfa.cpmails.com ~allbox-domain-verification=89b861d967a8390bf65c16343cadebb2c7bb7cc48527dbe5fa86cdffbb18d282
NS 4
dns1.p04.nsone.netdns2.p04.nsone.netdns3.p04.nsone.netdns4.p04.nsone.net
SOA 1
dns1.p04.nsone.net hostmaster.nsone.net
SRV 1
autodiscover.outlook.com:443 p0
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
atcorecords.com |
C=US, O=Let's Encrypt, CN=YR1 | Thu, 22 Oct 2026 07:21:49 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (0)
None observed.
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_9d98b0f520a03385- Output Hash
5dfcb15da0b93e756728007537d20efcfdd8453fa92cb5ca150fad93d34e85df- Signature
ed25519:e3465314b6055bf7ecc762d20dc1f371c8d6f7e4c2834fb581df0d9de18099757922804874c6c45409e701692eb18cd78f4173da847856d5d64b857e40cf8e04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast