usimsa.com
Observed Aug 2, 2026, 08:32 UTC (14h 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
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search ConsoleAtlassian
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usimsa.com actually stands on - every host below is a signed observation
usimsa.com
A / AAAA
76.76.21.21
unattributedserves the site
NS
ns1-1.ns-ncloud.comns1-2.ns-ncloud.com
ns-ncloud.comanswers its DNS
MX
alt2.aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
usimsa.com
Let's Encryptissued its certificate
DNS Records
A 1
76.76.21.21
MX 5
5alt2.aspmx.l.google.com10alt4.aspmx.l.google.com10alt3.aspmx.l.google.com5alt1.aspmx.l.google.com1aspmx.l.google.com
TXT 15
34f3tgot0v5tij42gvofi9ih0qpostman-domain-verification=26881ab0985c5cafbd573ebbac124d35d485fc2f247d54ac1ee6ea2063847d8eceddcd9a7c1383b82841d9b38a49f6bebe791dbfc5171514f30dd0a9377085c4google-site-verification=ppcc5KTJkNEdbFPs6oMTAD5OV4VJF8Uf4-74H34XKx8MS=ms67462867google-site-verification=KVTy0br_5UUbgoZfYEYi8fhRTmo63sEsYhzKQftuUswworksmobile.certification.hymudnt5znlhfvbutj.3vw0xbjcybwxcx.zzrycx9akgoogle-site-verification=XHiFBOmCCcu54dIFIU_HjovQp6SoVj1IDgv3Y8_nkws7dhmtm79ld3t8393sinbu5qn8rjeouferbm41g08gg91i2kkj2mpgoogle-site-verification=jXJCIZgM5-_B2no3JscyCwm9z02|TrVq7mepF6UpWBs
NS 2
ns1-1.ns-ncloud.comns1-2.ns-ncloud.com
SOA 1
ns1-1.ns-ncloud.com ns1-2.ns-ncloud.com
DMARC_RECORDS 1
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@usimsa.com;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usimsa.com |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 25 Oct 2026 10:03:19 +0000 |
YR2 |
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_838a1e6c07abbf56- Output Hash
14cf7ea4bd59d66d74560196af12e885af7d08c3bddaa58370f77cea085d270c- Signature
ed25519:f4e4b7dbeade0e71497772a299088c60fb9e69c35fc83a2c78fed80730d919ae93f345666dc680811f2bdbc8fd757922f3f8cab10ac5a69f7e5c507d8ed72e07- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast