archcoal.com
Observed Jul 28, 2026, 07:13 UTC (4h 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.
Not responding
Email byProofpoint
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat archcoal.com actually stands on - every host below is a signed observation
archcoal.com
A / AAAA
141.193.213.20
unattributedserves the site
NS
edns8.ultradns.bizedns8.ultradns.comedns8.ultradns.netedns8.ultradns.org
ultradns.biz + ultradns.com + moreanswers its DNS
MX
mxa-00321402.gslb.pphosted.commxb-00321402.gslb.pphosted.com
Proofpointreceives its email
DNS Records
A 1
141.193.213.20
MX 2
10mxa-00321402.gslb.pphosted.com10mxb-00321402.gslb.pphosted.com
TXT 8
"MS=ms48411250"_mbez30hjbq7n5a0zgg59froo7pmppyk_s1qz3fodryxnuv0j8unxqxk91wnffleapple-domain-verification=V68sk4KbBYCrWcgYv=spf1 include:spf.protection.outlook.com -all7tg+mZAPlfe9WZ9F1S3/uzvWIVTyQkaXdWtJmRZ/UDwt8Dm/eOLAMbUIudT1nJQmGvnM5Hsdmq0aigQTduA4Mg==YYCzTQSd3BozD2tOzuD4w4Z9qetL3JAsMYeHw9+q3sMsNhTKXnIPIG4Eov1pq1ajGnsweW2fA1CAYwMK43ZM2Q==v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
NS 4
edns8.ultradns.bizedns8.ultradns.comedns8.ultradns.netedns8.ultradns.org
SOA 1
edns8.ultradns.com bpatterson.archrsc.com
TLS Certificates (0)
None.
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_645354f36fc9021a- Output Hash
65edb073057ff4942799982b256da817a17d8a207e0be90e1343e5e218c410ea- Signature
ed25519:b996edab99a409888b46046c5137462270246c2465c139abd6130e0eee24bf57cc684bf44303615028711930906717b68c50915726e8c6197b04b42ed949b802- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast