CONTINUOUS INTERNET TELEMETRY24H DRIFT39,267 material changesacross 37,658 domains · 24h to ~45m ago · -1,593 vs yesterdayNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,567 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

zfin.org

Observed Jul 24, 2026, 22:56 UTC (8d 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 byProofpoint
Secured byInternet2
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zfin.org actually stands on - every host below is a signed observation
zfin.org
A / AAAA
184.171.92.30
unattributedserves the site
NS
phloem.uoregon.eduruminant.uoregon.edu
uoregon.eduanswers its DNS
MX
mxb-000bfd01.gslb.pphosted.commxa-000bfd01.gslb.pphosted.com
Proofpointreceives its email
TLS
zfin.org
Internet2issued its certificate

DNS Records

A 1

  • 184.171.92.30

MX 2

  • 10mxb-000bfd01.gslb.pphosted.com
  • 10mxa-000bfd01.gslb.pphosted.com

TXT 3

  • google-site-verification=n4fYM_71A_CQ6IP9bi9prOPHab2S2jTQi0JBmMjQqk0
  • v=spf1 ip4:184.171.92.30 ip4:184.171.92.31 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com mx ~all
  • v=DMARC1; p=none; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 2

  • phloem.uoregon.edu
  • ruminant.uoregon.edu

SOA 1

  • phloem.uoregon.edu hostmaster.uoregon.edu

SRV 2

  • fogbugz.zfin.org:5222 p5
  • fogbugz.zfin.org:5269 p5

TLS Certificates (3)

Common NameIssuerExpires
zfin.org C=US, O=Internet2, CN=InCommon RSA Server CA 2 Thu, 03 Dec 2026 23:59:59 +0000
InCommon RSA Server CA 2 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 15 Nov 2032 23:59:59 +0000
USERTrust RSA Certification Authority C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services Sun, 31 Dec 2028 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 receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_310e37b8f7dc944f
Output Hash
b4f10792f0474306be79a56681a0ff32134c2e50e5ddce54e0a5688dd141b02e
Signature
ed25519:29b3b5a22a1bae206216ca914ced75b2142cd8ba9e20d0b2f215cb4154c1488f11a371a57cda22959c802bf06fe2674d18f41c3ef364cb79ed0613215538ec0d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser