Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frederick.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:28:08 UTC · ↺ Refresh
MX Hostnames
- frederick-edu.mail.protection.outlook.com
MX Priorities
- frederick-edu.mail.protection.outlook.com: 5
A / AAAA Records
- 104.20.23.115 (no PTR)
- 172.66.150.79 (no PTR)
- 2606:4700:10::ac42:964f
- 2606:4700:10::6814:1773
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
jean.ns.cloudflare.com dns.cloudflare.com 2399847252 10000 2400 604800 1800
Primary NS (mname)
jean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399847252
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jean.ns.cloudflare.com
lennox.ns.cloudflare.com
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]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
11 records- v9242r7z3w2k2zyzckm5l8xdgg9jlhhz
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- QuoVadis=5edfc3e3-5d8c-4487-a75b-3bdf8eb11041
- apple-domain-verification=9Dpkw91IUZ0gbDFQ
- autodesk-domain-verification=IDB18wCT144ZnbcigNK-
- cisco-ci-domain-verification=6acd762d8dddbdcffa03bdf30f3b74186f03e129b39e2c03902d6b68aea57c3b
- google-site-verification=AQVMqhraPb2e-GhOxki8qZqlfDOasHGZW6AbQDeeEkU
- google-site-verification=JWUkqmTFyRpyPwufgzTNjr1QBpFyzwLoLJRFf2TQHLs
- google-site-verification=bMqI6ykqVnvG4UUwLxCYuErgNsSBrUWAZlZQVkn0Inc
- identrust_validate=mD42izfR8zZo72ZGk45mrblnXNqKw5T1W0rCv9r0FQ42
- jamf-site-verification=gHxGBCeWyK3mEk70XaEyCw
Full email verification for frederick.edu
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