upsun.com
Observed Aug 2, 2026, 17:39 UTC (6h 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 ConsoleStripeAtlassian
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upsun.com actually stands on - every host below is a signed observation
upsun.com
A / AAAA
151.101.2.216151.101.66.216151.101.130.216151.101.194.216
unattributedserves the site
NS
ns1.upsun.comns2.upsun.comns3.upsun.comns4.upsun.com
upsun.comanswers 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
upsun.com
Let's Encryptissued its certificate
DNS Records
A 4
151.101.2.216151.101.66.216151.101.130.216151.101.194.216
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 19
meltwater_sso_20251017_TRITON-32472apple-domain-verification=aT053HwUIKd5NpWtpendo-domain-verification=ufIhl8p1RJbPrjCw8x_LQY2qcXQopenai-domain-verification=dv-BzTL5LAMUABvxN5WNuIBzjfwanthropic-domain-verification-4jdmv3=UyoIUTLdU7KSYlzAJTNqHox5wgoogle-site-verification=CTcG0mNkRWC7js-YU8XpEfYBR2_BTPTXXVoF8cp2DJYgoogle-site-verification=FCgpKPRjbf0rqf2sqY6NiKAVDt6KJoovNVhv0kgC_EMgoogle-site-verification=RQrPQV9C9Y5vZSKHtX6ClOAiI3ta-sVr01DTjrgAtMsgoogle-site-verification=Zx6yjK4KG2j-vJE6Xb2QRixJe0eFpem1WO-_Xeqt1z8google-site-verification=ahKOkbKLGHRqRmxD0j8BhtTkN6HbWKy7XwylHKJrgRo
NS 4
ns1.upsun.comns2.upsun.comns3.upsun.comns4.upsun.com
SOA 1
ns1.upsun.com awsdns-hostmaster.amazon.com
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:n4z7oqs755@rua.powerdmarc.com,mailto:dmarc-rua@platform.sh; ruf=mailto:n4z7oqs755@ruf.powerdmarc.com,mailto:dmarc-ruf@platform.sh; t=n;
BIMI_RECORDS 1
v=BIMI1; l=https://upsun.com/.well-known/upsun-logo.svg; a=;
MTA_STS_RECORDS 1
v=STSv1; id=177755293293Z;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
upsun.com |
C=US, O=Let's Encrypt, CN=YR1 | Thu, 03 Sep 2026 03:29:55 +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 (1)
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_0f7fff6c6e3702f1- Output Hash
b15be52f2e16ea315eb2e6a73d199e5448b9b027f1aab0be72b2e794bbdfb750- Signature
ed25519:9dd9a992d0ca05d98d35a47c9266a79f46db5a1e90cadf7892387c38b2239e209d2d79149afc09d7db325041aeb18df35f31de7082484ed280cebc0d6d670f03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast