Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usca.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 19:50:18 UTC · ↺ Refresh
MX Hostnames
- usca-edu.mail.eo.outlook.com
MX Priorities
- usca-edu.mail.eo.outlook.com: 0
A / AAAA Records
- 104.20.18.136 (no PTR)
- 172.66.161.144 (no PTR)
- 2606:4700:10::6814:1288
- 2606:4700:10::ac42:a190
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
clayton.ns.cloudflare.com dns.cloudflare.com 2399950872 10000 2400 604800 1800
Primary NS (mname)
clayton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399950872
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
oaklyn.ns.cloudflare.com
clayton.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mailersend.net +a +mx include:spf.protection.outlook.com include:_spf.bbnotify.net include:spf-na.exlibrisgroup.com ip4:167.89.118.48 ip4:65.122.174.12 ip4:129.252.158.54 ip4:129.252.4.60 ip4:129.252.55.11 ip4:209.133.124.238 ip4:209.133.75.59 ip4:129.252.21.22 ip4:207.144.25.0/24 ip4:50.31.43.252 ip4:149.72.147.186 ip4:167.89.101.239 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
✓ 4 found
selector1._domainkey
selector2._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
17 records- apple-domain-verification=BDsaCChw0TTpXuLx
- solarwinds-service0desk-verification=00cbacde73352bfdd42dccfd95bebdab
- yNAOmZanopt7rmL8Psod0nhhUPc6/JuQMr21JapzyKGSyks38apmJ7/Czx45vjnYTrFLhDDM1//7Z+f6vDeuBg==
- google-site-verification=Xwtij2tCkpq5l8MkQJsW64_eobGRRlm5qWU5elyYmXY
- google-site-verification=PmDSpBOLaXPqQm74C5waKN-6juSwhhFXpdJoHsUMzUc
- google-site-verification=QGw72dAMZ_uvhqiKN8YspgM9WP0GoB1zrEXLMVVcR4k
- MS=77166DEB507EECFA928598CC33BA7C84E41CF05A
- facebook-domain-verification=6xmz1svqtsp7m0hxe8hhwsm9l7y6r5
- SPFv=spf1 include:_spf.mailersend.net +a +mx include:spf.protection.outlook.com include:_spf.bbnotify.net include:spf-na.exlibrisgroup.com ip4:167.89.118.48 ip4:65.122.174.12 ip4:129.252.158.54 ip4:129.252.4.60 ip4:129.252.55.11 ip4:209.133.124.238 ip4:209.133.75.59 ip4:129.252.21.22 ip4:207.144.25.0/24 ip4:50.31.43.252 ip4:149.72.147.186 ip4:167.89.101.239 -all
- openai-domain-verification=dv-M2ZB5GCa1r9AnGnystXHACnz
- have-i-been-pwned-verification=e9f6aaf8056e54774f4711a49333cce7
- google-site-verification=7kl_oFeXN6xg1kjO7MMooztPulS15v6tp2gvble5z6k
- K83NHIR3OT2WRIPM4TUALSLSQV7ENZEVG9EA10Q4D
- autodesk-domain-verification=n8Dw8XyUccUntoJWdoQN
- atlassian-domain-verification=7Vqr/dOZ4SF6rCUF2uj9iWyBVWEdwj9R09Dn7RFoQbY4zCXMZeqU6skSY5IM0YS3
- google-gws-recovery-domain-verification=48109531
- asv=67025a18830a22eab1e5053b4aa3775f
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