Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
ruch.com.pl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 00:32:28 UTC · ↺ Refresh
MX Hostnames
- ruch-com-pl.mail.protection.outlook.com
MX Priorities
- ruch-com-pl.mail.protection.outlook.com: 0
A / AAAA Records
- 64.225.80.184 (no PTR)
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nazwa.pl biuro.nazwa.pl 2008133272 28800 7200 604800 86400
Primary NS (mname)
ns1.nazwa.pl
Admin Email (rname)
biuro@nazwa.pl
Serial
2008133272
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.nazwa.pl
ns1.nazwa.pl
ns3.nazwa.pl
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- J7+5Fd/BmBpJConIlHvCEu4uDiFqBccEaxoFYPeLvLfYK8aVkir1YJWiXc+ UTFczjTM3IbEvzu0YgvKdTTOE9Q==
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms64385529
Full email verification for ruch.com.pl
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits