pb3c.com

Valid Email Server
Domain Lookup › pb3c.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
pb3c.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 01:44:02 UTC · ↺ Refresh

MX Hostnames

  • pb3c-com.mail.protection.outlook.com

MX Priorities

  • pb3c-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 85.13.135.15 ↩ dd13110.kasserver.com

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2601271551 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601271551
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns5.kasserver.com
ns6.kasserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:autodiscover.pb3c.com a:autodiscover.zitelmann.com include:email.prnewswire.com include:spf.protection.outlook.com include:spf.emailsignatures365.com a:w00fbce4.kasserver.com include:spf.pressfile.de include:spf.mail.lf.net -all include:spf.crsend.com
📊 DNS lookups: 9/10

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • zpZ+E91LO/UXj7hGNZfgufVVEJnjd3/yZRk7EBIhjF3Au4GXa7xfE+5j0WEvfhfZOnsg3i2K5RH57K32kQcL+A==
  • apple-domain-verification=OsZY5DxrNKnYk3vN
  • SPFv=spf1 a:autodiscover.pb3c.com a:autodiscover.zitelmann.com include:email.prnewswire.com include:spf.protection.outlook.com include:spf.emailsignatures365.com a:w00fbce4.kasserver.com include:spf.pressfile.de include:spf.mail.lf.net -all include:spf.crsend.com
  • MS=ms91093321
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