CONTINUOUS INTERNET TELEMETRY24H DRIFT130 material changesacross 86 domains · -528 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bg · +1 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -1 vs yesterdayNOW4,267 curated domains not answering+1,438 vs yesterdayERRORS27,679 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED82,136 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT130 material changesacross 86 domains · -528 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bg · +1 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -1 vs yesterdayNOW4,267 curated domains not answering+1,438 vs yesterdayERRORS27,679 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED82,136 throttled or blocked our scanner429 rate-limit / 403 bot-block

uthsc.edu

Observed Jul 19, 2026, 19:25 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byMicrosoft 365
11 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uthsc.edu actually stands on - every host below is a signed observation
uthsc.edu
A / AAAA
128.169.0.76
Cloudflareserves the site
NS
ibext1.uthsc.eduns1.uthsc.eduibext2.uthsc.eduns2.uthsc.edu
uthsc.eduanswers its DNS
MX
uthsc-edu.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time286 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

A 1

  • 128.169.0.76

MX 1

  • 20uthsc-edu.mail.protection.outlook.com

TXT 9

  • jamf-site-verification=2hck3FMik-dEjnkegbpnXQ
  • 152874B8E44674E68DBEBA1B11FAA96B
  • v=spf1 include:local.spf.uthsc.edu include:edgenetworks.spf.uthsc.edu include:highwire.spf.uthsc.edu include:nih.spf.uthsc.edu include:tdx.spf.uthsc.edu include:spf.protection.outlook.com include:imodules.spf.uthsc.edu include:other.spf.uthsc.edu -all
  • apple-domain-verification=tHgTByGvV2nguHXg
  • SFMC-j6bV_wuPbQcVwm4FyLI9t7o-Y_36IfeeEwQWWya5
  • intacct-esk=4FED1A458043FD1DE0539B06A8C0D298
  • onetrust-domain-verification=451b5d1f8e2a4ef8b8bc5b2df830278c
  • sLqMlkmcXYhQZVAy4GwkIMqAJ1NHZt82nYqvoVH3R0/e42XEkV3tv2vfygLOgVxD8UIyI2BLAD9JTP/PEt4SFg==
  • v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:utk@rua.agari.com; ruf=mailto:utk@ruf.agari.com

NS 4

  • ibext1.uthsc.edu
  • ns1.uthsc.edu
  • ibext2.uthsc.edu
  • ns2.uthsc.edu

SOA 1

  • ibext1.uthsc.edu hostmaster.uthsc.edu

TLS Certificates (0)

None.

Subdomains (11)

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 uthsc.edu. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
0de0feeb-c43c-4ee5-bdc8-23b65e656538
Output Hash
359e490c820ee91caa79c0f5140ae2cf5d24b5659bd8fd74f974a180ef26bede
Signature
ed25519:040e7585eeacf40b3b0de81e5176a173fae4f96815364ba8c54ebef5149ea38101afe60b7cd900100f2eba2eede7c82b5760dca22ae3c28c5a1b9d040e2b5007
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser