Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
eltrans-tsl.pl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 23:58:54 UTC · ↺ Refresh
MX Hostnames
- eltranstsl-pl01i.mail.protection.outlook.com
MX Priorities
- eltranstsl-pl01i.mail.protection.outlook.com: 0
A / AAAA Records
- 185.208.164.140 ↩ s40.cyber-folks.pl
Mail Server IPs
- 52.101.181.0 ↩ mail-wa1p291cu00200.inbound.protection.outlook.com
- 52.101.181.20 ↩ mail-wa0p291cu00404.inbound.protection.outlook.com
- 52.101.181.11 ↩ mail-wa1p291cu00503.inbound.protection.outlook.com
- 52.101.181.1 ↩ mail-wa2p291cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca38::3 ↩ mail-wa1p291cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca38::4 ↩ mail-wa0p291cu00404.inbound.protection.outlook.com
- 2a01:111:f403:ca38:: ↩ mail-wa1p291cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca38::1 ↩ mail-wa2p291cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.cyberfolks.pl hostmaster.eltrans-tsl.pl 2026020504 14400 3600 1209600 3600
Primary NS (mname)
ns1.cyberfolks.pl
Admin Email (rname)
hostmaster@eltrans-tsl.pl
Serial
2026020504
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.cyberfolks.pl
ns2.cyberfolks.pl
ns1.cyberfolks.pl
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms11140950
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for eltrans-tsl.pl
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits