o2.pl

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
o2.pl
Yes
โœ“ Yes
Unknown
No
Yes
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-27 20:57:36 UTC ยท โ†บ Refresh

MX Hostnames

  • mx.tlen.pl

MX Priorities

  • mx.tlen.pl: 10

A / AAAA Records

  • 212.77.98.29 โ†ฉ www.o2.pl

Mail Server IPs

  • 193.222.135.150 โ†ฉ mx.tlen.pl

SOA Record

Raw SOA ns1.go2.pl root.go2.pl 2024041734 3600 1080 1209600 7200
Primary NS (mname)
ns1.go2.pl
Admin Email (rname)
root@go2.pl
Serial
2024041734
Refresh
3600s
Retry
1080s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns1.go2.pl
ns2.go2.pl

SPF Record

โœ“ Strict (-all)
v=spf1 include:wp.pl -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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

3 records
  • facebook-domain-verification=0omejgqroqocgh4efgrbu8bovlazni
  • SPFv=spf1 include:wp.pl -all
  • google-site-verification=WrpRIWLXiRlCO50D5fsiAbhBmKcna3g7aRskspmh-ow
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for o2.pl

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits