bittner.waw.pl

Valid Email Server

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
bittner.waw.pl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-22 04:47:47 UTC · ↺ Refresh

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MX Hostnames

  • bittner-waw-pl.mail.protection.outlook.com

MX Priorities

  • bittner-waw-pl.mail.protection.outlook.com: 10

A / AAAA Records

  • 62.129.235.179 ↩ bittner.waw.pl

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA dns.home.pl admin.home.pl 1575528911 14400 7200 2419200 3600
Primary NS (mname)
dns.home.pl
Admin Email (rname)
admin@home.pl
Serial
1575528911
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

dns.home.pl
dns2.home.pl
dns3.home.pl

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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