Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
crimson.ua.edu
Yes
✓ Yes
Outlook
No
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 02:04:11 UTC · ↺ Refresh
MX Hostnames
- crimson-ua-edu.mail.protection.outlook.com
MX Priorities
- crimson-ua-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 130.160.0.20 (no PTR)
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
ext-dns3.ua.edu nsadmin.bama.ua.edu 2026051834 86400 600 1209600 900
Primary NS (mname)
ext-dns3.ua.edu
Admin Email (rname)
nsadmin@bama.ua.edu
Serial
2026051834
Refresh
86400s
Retry
600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ext-dns1.ua.edu
ext-dns2.ua.edu
ext-dns3.ua.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- ZOOM_verify_kRkTU5gZxqnE3LII33neQ6
- gv-qqzrtpo6exkxeo.dv.googlehosted.com
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
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