polsl.pl

Valid Email Server
Domain Lookup › polsl.pl
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
polsl.pl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 07:38:58 UTC · ↺ Refresh

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MX Hostnames

  • polsl-pl.mail.protection.outlook.com

MX Priorities

  • polsl-pl.mail.protection.outlook.com: 10

A / AAAA Records

  • 157.158.3.1 ↩ castor.polsl.pl
  • 157.158.3.2 ↩ pollux.polsl.pl
  • 157.158.99.73
  • 2a01:1dc:0:3::1:2
  • 2a01:1dc:1:15::1:1
  • 2a01:1dc:0:3::1:1

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.silweb.pl dns.polsl.pl 2026052800 3600 900 604800 3600
Primary NS (mname)
ns1.silweb.pl
Admin Email (rname)
dns@polsl.pl
Serial
2026052800
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.silweb.pl
ns2.silweb.pl
ns3.silweb.pl

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.polsl.pl include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; 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

✗ 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

8 records
  • dtm-domain-verification=dOpL7Q9hSp_DDbf26uHeByW104dVSPAfBOWZDxRw4xc
  • google-site-verification=8b9_3lnz8oBPl68EGCXbcrjJw9nsUmODDEL5wgT5WUk
  • google-site-verification=xJmmCZZ47q1OIXKlbrkkuax8Axzgv35vlerDZjLDHBk
  • SPFv=spf1 include:_spf.polsl.pl include:spf.protection.outlook.com -all
  • IFvR15Hv9E1ZFMj8SdvlA4xaj64xABnxV9tbxpKwmc/RcvZT5DjsT7PMV9KCextsf9sL8OwupVkNfjtvSU52TQ==
  • ZOOM_verify_h90q8OvpBrLkXvJ3BBAGEK
  • mojecertpl-site-verification-NUGRuss3xNkFSKcCBdxsWnhCbjHecVSi
  • mojecertpl-site-verification-sjKtb0zkmVBHKBtgvRMQWE8T71WasVG4
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