usps.gov
Observed 2026-07-13T05:29:49.715Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
Email byProofpoint
Also usesGoogle Search ConsoleDocuSign
3 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usps.gov actually stands on - every host below is a signed observation
usps.gov
NS
dns082.usps.comdns141.usps.com
usps.comanswers its DNS
MX
mxb-0038fd02.gslb.gpphosted.commxa-0038fd02.gslb.gpphosted.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 time464 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
10mxb-0038fd02.gslb.gpphosted.com10mxa-0038fd02.gslb.gpphosted.com
TXT 16
7yxnqcqlyvt7gsnzc265rhht81bq618828z5w43cthhp0fp7r2wz2kdvzpc5qdtbwebexdomainverification.ERM0=2969cc97-b631-48e9-a0a2-19d73748510cv=spf1 ip4:56.0.84.0/24 ip4:56.0.103.0/24 ip4:56.0.143.0/24 ip4:56.0.146.0/24 ip4:56.0.86.0/24 include:spf.protection.outlook.com -allgoogle-site-verification=OQ_VPfub4jwkGry5pP8aa9SIZZ2EMKDPIFf0chc5v_okzksv0tkhw73mw9sls64zb2rbvps2cd9mgverify=d5e9a0f954450c1833d950f582162def7d15f362878b572d8b01d6879c693d9capple-domain-verification=jg8589RKn9CShT5700Dj0000000GyYH=1TBeq00000001mUU0S4P86940
NS 2
dns082.usps.comdns141.usps.com
SOA 1
dns141.usps.com domainadmin.imail.usps.gov
TLS Certificates (0)
None.
Subdomains (3)
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
8180b77f-1af8-4be9-8249-926cdefb60f5- Output Hash
39a2b73071a924d8a808e737fe7b3edca2b51b02435204dedd2cc63f71b88fe8- Signature
ed25519:f381a49c556b8aec3582fa667d07f0fdc9df2032ad3ce0da6332d33febd91b4cc2b83c8b069bb8c0c48406132f92c67a5c4cbd310c24023836f3dcc85354840c- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast