Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pennfoster.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:34:32 UTC · ↺ Refresh
MX Hostnames
- pennfoster-edu.mail.protection.outlook.com
MX Priorities
- pennfoster-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 104.16.146.21 (no PTR)
- 104.16.147.21 (no PTR)
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ada.ns.cloudflare.com dns.cloudflare.com 2399759431 10000 2400 604800 1800
Primary NS (mname)
ada.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399759431
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ada.ns.cloudflare.com
graham.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:104.208.218.187 ip4:20.119.232.49 ip4:20.110.4.191 ip4:52.55.204.26 ip4:67.231.158.158 ip4:67.231.151.29 ip4:67.231.152.177 ip4:208.84.65.220 ip4:50.173.113.154 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net include:rnmk.com include:347272.spf04.hubspotemail.net include:_spf.salesforce.com ~all
📊 DNS lookups: 6/10
~ 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
✓ 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
13 records- openai-domain-verification=dv-3poEVVrReXBUTkEzr2nKzMJk
- atlassian-domain-verification=rM6YkKaVocaKpuBQEufwMZrQZ7HxaibgVSLU836axSzbIXdh18MHxsY2KhzJbY67
- atlassian-domain-verification=HQy3RztPplOtGaqCmnrAIJO0aSHUwOrbBfeHFEM6v/Nyb52MM2jJSQr6Zle3b2tr
- wayback-domain-verification=Y6zzVXDfCKMMQH3d4HjzcBrNJC3LB9ekkfot3ANw
- MS=ms95943011
- OxZ6csKablW6qVMgSrf9iglf4g6beCKyINSE6zMmLhjn1jmLYZwjyzUqWEk/5IbMys+oB4NHUGTmlCdUBfbw/g==
- atlassian-domain-verification=vtekqg2r8qsCfWPJv/a2/2JwZSd3vWpVqOBtSTdIAm1NKfAV7IsZQoisfI0GO5uL
- activeprospect-domain-verification=mSCwgVvpfPPh7f/7BWm23w==
- google-site-verification=VUtMn1814ziBDX3UgVIMfbqlqfz9DnuccqhQAwh0gEM
- docusign=4d478cdf-5208-450c-b06c-6b26a3427065
- slack-domain-verification=VAMlCQjh80h94wO4R8U7viuMwy5E3mkvOT6nF0Ul
- openai-domain-verification=dv-sSgfhVRGDhqOiRAQO6GWEwQS
- SPFv=spf1 ip4:104.208.218.187 ip4:20.119.232.49 ip4:20.110.4.191 ip4:52.55.204.26 ip4:67.231.158.158 ip4:67.231.151.29 ip4:67.231.152.177 ip4:208.84.65.220 ip4:50.173.113.154 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net include:rnmk.com include:347272.spf04.hubspotemail.net include:_spf.salesforce.com ~all
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