Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cau.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 23:29:16 UTC · ↺ Refresh
MX Hostnames
- mx1.hc5984-3.iphmx.com
- mx2.hc5984-3.iphmx.com
- cau-edu.mail.protection.outlook.com
MX Priorities
- cau-edu.mail.protection.outlook.com: 10
- mx2.hc5984-3.iphmx.com: 1
- mx1.hc5984-3.iphmx.com: 0
A / AAAA Records
- 205.129.191.163
- 2620:12a:8000::3
- 2620:12a:8001::3
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 216.71.147.191 ↩ esa2.hc5984-3.iphmx.com
- 68.232.155.221 ↩ esa1.hc5984-3.iphmx.com
SOA Record
Raw SOA
caubdds2.cau.edu postmaster.no.email.please 755380430 3600 600 2592000 3600
Primary NS (mname)
caubdds2.cau.edu
Admin Email (rname)
postmaster@no.email.please
Serial
755380430
Refresh
3600s
Retry
600s
Expire
2592000s
Minimum TTL
3600s
Nameservers (NS)
caubdds2.cau.edu
vmlp-caubddsex3.cau.edu
cauadonisext1.cau.edu
cauadonisext2.cau.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:198.187.196.100 ip4:168.245.25.116 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.14 ip4:147.160.167.15 ip4:52.49.235.189 ip4:52.49.201.246 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com exists:%{i}.spf.hc5984-3.iphmx.com +include:outboundmail.blackbaud.net include:mailgun.org ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
24 records- 4snksmim4ak5pums3mbuu533c2
- _0v3q32foiwfr0hdcyot4mzdwbmlh5zl
- apple-domain-verification=rzsLAmWel91OugOM
- RZ8Qp88LrK3k/m8SYw9SdrQN3NnCGFrkZ67vGniU4Us/oH4jvaxiqzJYgA6yJmbw0dVJHb4lQfup9D4siQ8H4A==
- MS=ms13683291
- MS=ms26680916
- iih24sddmu7de5plu4k605jujg
- airtable-manual-domain-verification=55c0fb08-989b-4319-8ea6-8fa4d4d52c30
- 8lI9SxlIjeCZpd2jTNoqcPHRUmqCAtFjyzBSwunssEk=
- 7o7ffqb7of1lf8snvdt6d3t7nn
- _ise5s8gcyk4dffhjg6ralygk2py621b
- MS=0AFC3B21A4C5DB13CE2566E6F8D8743F5B829945
- l237fnx4h8hqzvw0y65jmkw28xsdsj9l
- u3654597.wl098.sendgrid.net
- docusign=7ba81c6a-e8d1-47cc-85f1-2e72ca08ddd7
- MS=ms41699702
- oa901kjj01ec0m1pcd8klnh8jl
- jgrb1nwq15v6x9tlj974tpsqhm0x7vdc
- son2.domainkey.u3654597.wl098.sendgrid.net
- docusign=1c61cb6c-a086-4e67-ae21-35b8ba63643f
- SPFv=spf1 ip4:198.187.196.100 ip4:168.245.25.116 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.14 ip4:147.160.167.15 ip4:52.49.235.189 ip4:52.49.201.246 include:spf.protection.outlook.com include:_tuf-spf.touchnet.com exists:%{i}.spf.hc5984-3.iphmx.com +include:outboundmail.blackbaud.net include:mailgun.org ~all
- MS=0A0DD718ED0B338996D800B6B679D182D8A46ADE
- son.domainkey.u3654597.wl098.sendgrid.net
- _tuf-spf.touchnet.com
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