its.utexas.edu

Valid Email Server
Domain Lookup › its.utexas.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
its.utexas.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 19:55:08 UTC · ↺ Refresh

MX Hostnames

  • inbound.mail.utexas.edu

MX Priorities

  • inbound.mail.utexas.edu: 10

A / AAAA Records

  • 10.120.155.1
  • 128.83.21.174

Mail Server IPs

  • 68.232.149.93 ↩ esa6.utexas.iphmx.com
  • 216.71.154.254 ↩ esa11.utexas.iphmx.com
  • 68.232.149.87 ↩ esa4.utexas.iphmx.com
  • 68.232.149.92 ↩ esa5.utexas.iphmx.com
  • 139.138.32.253 ↩ esa16.utexas.iphmx.com
  • 139.138.32.240 ↩ esa15.utexas.iphmx.com
  • 68.232.147.89 ↩ esa2.utexas.iphmx.com
  • 139.138.56.158 ↩ esa13.utexas.iphmx.com
  • 139.138.56.182 ↩ esa14.utexas.iphmx.com
  • 216.71.150.155 ↩ esa9.utexas.iphmx.com
  • 68.232.147.90
  • 68.232.147.88
  • 68.232.147.160
  • 68.232.149.94

SOA Record

Raw SOA chisos.ots.utexas.edu hostmaster.utexas.edu 9116 3600 1800 604800 300
Primary NS (mname)
chisos.ots.utexas.edu
Admin Email (rname)
hostmaster@utexas.edu
Serial
9116
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:_spf-m365.mail.utexas.edu -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 include:_spf-m365.mail.utexas.edu -all
  • lz37DnP0Zh4g7W5AHalMrum8gsI/Ua2wce1U3lKp8w36Tdq+PFAuiIYlCkPLPe3OFDREL8HMN+uEJoPcLlCmag==
  • MS=ms93805555
  • _globalsign-domain-verification=NFdJQFSrWMnzqVPPGzfupvRfh5OjhCsrU5crWhyFmj
  • twilio-domain-verification=35b1a0e77e3224ca0299381bc007732e
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