Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biberk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 04:38:56 UTC · ↺ Refresh
MX Hostnames
- biberk-com.mail.protection.outlook.com
MX Priorities
- biberk-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.72.136.132 (no PTR)
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:aspmx.pardot.com include:emailus.freshservice.com include:cust-spf.exacttarget.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;fo=1;rua=mailto:[email protected];ruf=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
✓ 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- 8rlggjjo5bda916prd2d7gehcs
- notion-domain-verification=mJrRouE7xIvxyyvznbTnqR261sKGa8XVNJmvJfxIrK6
- cursor-domain-verification-czvw8n=Zsmi5JFVGkK78bFN8vWGjlmyg
- s4o82io6d5rhurgfekjpkpr0qu
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:aspmx.pardot.com include:emailus.freshservice.com include:cust-spf.exacttarget.com -all
- bibportalspa-prod.azurewebsites.net
- google-site-verification=uNimpynj5fx5a0BlSe3p99ssfi7ttfItXwZ1h-YZSlo
- pardot683363=80700e2d5ee5e4a5c950d5b071156449fdebce2c5417fc487d922a7b5b65b955
- google-site-verification=KdNc1cwzNGg_9ebGU2ilPOabsEnsy0zhIcmX-dR0sqk
- knowbe4-site-verification=481c45b26386b0e0e8b30b2e72c29179
- facebook-domain-verification=47h2j3zlkawmccmanl0nk4xl1afjr1
- google-site-verification=ufXjecMWmZbd7qF6RbKW8irgIGfkrIWo2JyDcdtAsK0
- postman-domain-verification=5a2493f9a238b0b67e7c1f8fb717adb5fb9f8964dcf64ec60910a53a6cd18d183fe085bc0ab8f90550179f948056d5d1ec18516e59909341e767605f81290c62
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