ameritech.com
Observed Jul 25, 2026, 22:57 UTC (7d 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 ameritech.com actually stands on - every host below is a signed observation
ameritech.com
A / AAAA
144.160.103.31144.160.134.41
unattributedserves the site
NS
ns3.attdns.comns1.attdns.comns2.attdns.comns4.attdns.com
attdns.comanswers its DNS
MX
mx0b-00191d01.pphosted.commx0a-00191d01.pphosted.com
Proofpointreceives its email
DNS Records
A 2
144.160.103.31144.160.134.41
MX 2
10mx0b-00191d01.pphosted.com10mx0a-00191d01.pphosted.com
TXT 4
_x3a7fzg0vf3n3pnimzn8i1w5egk7y3bv=spf1 mx ~all_ean9n8jvrasl7tmb06tm6iwlnh0c4ufv=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
NS 4
ns3.attdns.comns1.attdns.comns2.attdns.comns4.attdns.com
SOA 1
ns0.attdns.com eiss-dns.att.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_6c4c29ec8d2151b5- Output Hash
a2dc44e3ea452c9991b094803ff0fcbdf1dd730f76792bce96bb52a908f49a7b- Signature
ed25519:e7f814e00e5689ec6a25a291f83ac2c5771096dd2fcbcc2c0625a655d7e3e230fec242550f7a65040c9e3df1d82bdcf521f46b1dc7496939e4cd42644038d20e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast