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Total

DNS

Email

Security

Network

100

Availability

Domainutexas.edu

IPv41

IPv62

MX records1

StatusActive

Domain technical report

The University of Texas at Austin

utexas.edu

The University of Texas at Austin is a leading public research university where Longhorns learn, create and lead — changing Texas and the world.

Generated: 2026-08-08T18:24:58-05:00 · Cached result

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IPv41

IPv62

MX1

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

83 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

23.185.0.4

AAAA

2 record(s)

2620:12a:8000::4
2620:12a:8001::4

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 inbound.mail.utexas.edu.

TXT

14 record(s)

"puybXBnQlfP7zU5AkBfAOxyd7AtVbW0V7le/PLDTDFjAn0vCwsku+yphyGvHnsOPRDPoOCIvSWMpKbCVfqpsZw=="
"e2ma-verification=0r7eb"
"openai-domain-verification=dv-V9eTgezTwIm82UoEoJwtJrWY"
"fastly-domain-delegation-aX3Cv1R0n0jutdbKIYiu-08192020"
"a8LYUGVubXGV5T3o+qN2/w=="
"fastly-domain-delegation-FeZhCxeLqx-311421-2020-11-11"
"coursera-domain-verification=1JEi4zxbmn5JIG6hxViDbViDgsxv7bwl5vIaOPCWMd26Tlw2PoFUBLKkrT5hm3dg"
"_globalsign-domain-verification=AmgTovmK8NOFj6S848ssOdeA5Bd3_iMnjIqO-PlLlh"
"v=spf1 include:_spf-m365-gmail.mail.utexas.edu include:utexas-edu.spf.smtp25.com include:_spf.qualtrics.com -all"
"MS=ms80175920"
"docusign=70ecfb87-f7cc-4f07-8b5b-5f3fb9627fd2"
"e2ma-verification=77veb"
"975172592F8531BEAFC17ADF471CC1A9"
"docusign=18aab780-e4ba-4f25-bd82-4fd000223e23"

NS

3 record(s)

marianas.its.utexas.edu.
glass.its.utexas.edu.
chisos.ots.utexas.edu.

SOA

1 record(s)

infoblox-aws-p02.gw.utexas.edu. hostmaster.utexas.edu. 583479 3600 1800 604800 300

CAA

1 record(s)

0 contactemail "net-tech@its.utexas.edu"

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

1 record(s)

10 100 "S" "SIP+D2U" "" _sip._udp.utexas.edu.

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:_spf-m365-gmail.mail.utexas.edu include:utexas-edu.spf.smtp25.com include:_spf.qualtrics.com -all

DMARC

Configured

v=DMARC1; p=none; fo=1; rua=mailto:dmarc_reports@austin.utexas.edu; ruf=mailto:dmarc_reports@austin.utexas.edu;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VePOiuiWLYRzS5kfBN7Z/nbmuIvGy/F+hgTXUNr08T6kgZr+IJ7giEVcNitg4dWd/S5PfSFbUp5ym5OkZIk0bvExrhz/VirQ87HunUUPa3xxQGje2+7rSWifW7qNipRr8kzuq84xQTneOX1t/HEgZGw1Gk/pGA3AhkC/jDpzUE5h/o6S6q4mVuy8wcsfCsuoEwTWS5RVubEo/xHuFmdYuaedDVQcmnEwCIMq+h8W878dNL8txe6YNRnN/cURCrmPEL7OY97Qqw6Lg9J/aVsiLuuENqZJ8yp0MzzVUrcvnPGVRYM/3AAJGMaWxmc1w4Rs2GxstYNqx+LRgUwMsBzKQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

The University of Texas at Austin

Description

The University of Texas at Austin is a leading public research university where Longhorns learn, create and lead — changing Texas and the world.

Final URL

https://www.utexas.edu/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.utexas.edu/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

utexas.edu

Valid from

2026-08-02T13:03:26-05:00

Valid until

2026-10-31T13:03:25-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

23.185.0.4

55,31 ms

Cloudflare

1.1.1.1

23.185.0.4

19,77 ms

Quad9

9.9.9.9

23.185.0.4

85,16 ms

OpenDNS

208.67.222.222

23.185.0.4

77,57 ms

AdGuard

94.140.14.14

23.185.0.4

106,63 ms

IP, geolocation and ASNAssociated network information

23.185.0.4

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

inbound.mail.utexas.edu

Port 25: Closed/unreachable - 27.2 ms - 
Port 465: Closed/unreachable - 4048.9 ms - 
Port 587: Closed/unreachable - 701.1 ms -

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