delta-dolsk.pl

Valid Email Server
Domain Lookup › delta-dolsk.pl

Domain Overview

DNS: ✓ 5h ago Checker: ✓ 5h ago
delta-dolsk.pl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 16:14:30 UTC · ↺ Refresh

MX Hostnames

  • deltadolsk-pl01c.mail.protection.outlook.com

MX Priorities

  • deltadolsk-pl01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.204.218.140 ↩ s140.cyber-folks.pl

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns11.linuxpl.com hostmaster.delta-dolsk.pl 2025012900 14400 3600 1209600 3600
Primary NS (mname)
ns11.linuxpl.com
Admin Email (rname)
hostmaster@delta-dolsk.pl
Serial
2025012900
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns11.linuxpl.com
ns11.linuxpl.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

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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