Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kellerpostman.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 08:22:39 UTC · ↺ Refresh
MX Hostnames
- kellerpostman-com.mail.protection.outlook.com
MX Priorities
- kellerpostman-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-37.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-37.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-37.azure-dns.net
ns3-37.azure-dns.org
ns4-37.azure-dns.info
ns1-37.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.kellerpostman.com._spf.smart.ondmarc.com include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
14 records- box-domain-verification=ebe32c48e3ea0e957ae1eb0119a989a010a730292361ee76f3b5eb88ec28ea05
- google-site-verification=SuYpBiv-hOQpoVyCbPVGy7McvdMKNnvsJagA_pQL2HE
- knowbe4-site-verification=67a6cec4c6f5de5c9256ac440e8967ce
- SPFv=spf1 include:_u.kellerpostman.com._spf.smart.ondmarc.com include:spf.protection.outlook.com include:_spf.salesforce.com -all
- ZOOM_verify_91eppoOkrq5gQrKgH8PwfP
- google-gws-recovery-domain-verification=51535788
- google-site-verification=nH0jjD_-lM70MVSEGUaNy1lIeLWogtMkSXfxBb-RK2w
- Foxit-domain-verification=49526dd5c083a5f9fbfa00860e02f229
- SFMC-xfYTlO6ndTQP9iy9FgRUUNxZ2jmh9ddz38JOHqnx
- twilio-domain-verification=5c4b22e595788fd93a0a615c9a6f43c3
- google-site-verification=YJm9yU5x9SAlvjiHpnrVze-PtICIzb7aTK7Ia8JSXh4
- google-site-verification=pa809BWiH3xiQ8LrMrwWqjTW8qbeaTeR7MeEIisJuN4
- apple-domain-verification=vEj5obbJytb2Pjox
- atlassian-domain-verification=myBGhsdRPiwvsvmVlOGpzghvGpCVLJRXVBbf8H7xYjUIMdLbBt5TUw5KayJVoPmM
Full email verification for kellerpostman.com
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