Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
carrington.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:11:05 UTC · ↺ Refresh
MX Hostnames
- carrington-edu.mail.protection.outlook.com
MX Priorities
- carrington-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
mns01.domaincontrol.com dns.jomax.net 2026031600 28800 7200 604800 86400
Primary NS (mname)
mns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
mns02.domaincontrol.com
mns01.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
18 records- EEI3ViH1+T13vGGqivnhjehfB7lWgMa5d8G4h/ju1X/DcyZuJmgSuZ0lu7ZkEkyTcKrIkWAe/63l/jJGntYAww==
- MS=ms54558961
- twilio-domain-verification=b63ae89cc8fb42dbb7853aecf6e5ed56
- msfpkey=4xz5mu9s0duom11lj285ivs2i
- logmein-verification-code=af4c85ab-0c07-4799-bbda-3d254bcdcc2d
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com -all
- ddbdvtitrklc2v14gsbt27gkmb
- google-site-verification=7LoRCFPjjGlbvoNnCw3dNXVkp4DVwk2YBE1PU7Xp61k
- hh0n5du5qis2ejd604lol3m3ir
- 3dldq8sll9gq4s5ubbrou3a5dp
- eit64u70riqbnhp29v5h7i8ngu
- k57wJWqy5GWgmgiUPVCEjczjBjNaAA
- vhj4ln1relv9curks5k4k9p1le
- apple-domain-verification=W0Mm0gLiw0rJkOCZ
- v=verifydomain MS=9871393
- google-site-verification=HOHTJnmNMQmNVIz3AD8oIzRTHh4V3q2tRZw4x6CWIYg
- cisco-ci-domain-verification=436488b89780c5e515acd875d16c67d7a104d562123cd05452d79c1416f626be
- 9tnVed5v
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for carrington.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits