upsolve.org

Observed Jul 27, 2026, 22:23 UTC (5d 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byAmazon

Also usesGoogle Search Console

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat upsolve.org actually stands on - every host below is a signed observation

upsolve.org

A / AAAA

18.160.10.6618.160.10.6318.160.10.3718.160.10.31

unattributedserves the site

ns-1265.awsdns-30.orgns-1797.awsdns-32.co.ukns-298.awsdns-37.comns-819.awsdns-38.net

awsdns-30.org + awsdns-32.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

upsolve.org

Amazonissued its certificate

DNS Records

A 4

18.160.10.66
18.160.10.63
18.160.10.37
18.160.10.31

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 11

ahrefs-site-verification_abc3661307df1a1d871f4a90ca6e829fb7f50bb423fa8362da073686cceab29c
google-site-verification=AeZj_b57zdrxxgwMMLqX3p6cozGMRfGcfWujl9w2qyU
google-site-verification=E6IBzhFGUlPHuc9hDdeK-O_v6j5Uel3gpv1agMKWMhY
google-site-verification=uGWQxy0PnPBbqdqqdLC6iopi3lsOI1vsMAPWirwqVKE
google-site-verification=xY-4d8NFXTTEkUxSJFnwG1buLjvvkRvxJ3PQC2Ohlcc
v=DMARC1; fo=1; p=quarantine
v=spf1 include:_spf.google.com ~all
v=spf1 include:customeriomail.com ~all
v=spf1 include:mailgun.org ~all
v=spf1 include:servers.mcsv.net ?all

NS 4

ns-1265.awsdns-30.org
ns-1797.awsdns-32.co.uk
ns-298.awsdns-37.com
ns-819.awsdns-38.net

SOA 1

ns-298.awsdns-37.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`upsolve.org`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Tue, 10 Nov 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for upsolve.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/upsolve.org">
  <img src="https://domaindrift.io/badge/upsolve.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for upsolve.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_f395f53e329eb31c
Output Hash: 4d8142c0f92b846cea1837da76709f4a0c5bfd9b9cc18cf4acb48542628b5de8
Signature: ed25519:13ae8da55b721534a0800a3470d234673bb2e1424b3f4e4f6e1e5f09da7c2dc5e613f4320e214f13594d6b1988495a3719a5bcc753c3bb4feb395145fe856406
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/upsolve.org