Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
penn-mar.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:14:23 UTC · ↺ Refresh
MX Hostnames
- pennmar-org01b.mail.protection.outlook.com
MX Priorities
- pennmar-org01b.mail.protection.outlook.com: 0
A / AAAA Records
- 144.126.250.25 (no PTR)
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.myconnectwise.net +include:outboundmail.convio.net +include:outboundmail.blackbaud.net include:spf.protection.outlook.com include:spf.smtp2go.com include:_spf.mailersend.net include:_spf.psm.knowbe4.com include:customerspf.schoolmessenger.com ~all
📊 DNS lookups: 10/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 a mx include:spf.myconnectwise.net +include:outboundmail.convio.net +include:outboundmail.blackbaud.net include:spf.protection.outlook.com include:spf.smtp2go.com include:_spf.mailersend.net include:_spf.psm.knowbe4.com include:customerspf.schoolmessenger.com ~all
- mscid=f6HFHN2qAifW6SsLomUQ7Sxs8ZmiOmgbRnLdAWsz9A7rqsm2wpLzY4/PM7UsUiIoV7xUSGb5zIwXYWfRpfEOzw==
- apple-domain-verification=Qa5xIVLmsgHSZ4gB
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