4tsl.com

Valid Email Server
Domain Lookup › 4tsl.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
4tsl.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 10:38:19 UTC · ↺ Refresh

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MX Hostnames

  • 4tsl-com.mail.protection.outlook.com

MX Priorities

  • 4tsl-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 192.190.221.222 ↩ cloudhost-3569554.us-midwest-2.nxcli.net

Mail Server IPs

  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1778784869 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1778784869
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns2.registrar-servers.com
dns1.registrar-servers.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.37.252.46 include:spf.protection.outlook.com include:_spf.atlassian.net include:spfa.cpmails.com include:infosecmail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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

12 records
  • atlassian-sending-domain-verification=ccf0a4e5-2d38-4f69-ac6d-a58172fa13c5
  • atlassian-domain-verification=yyXtOg4Z3Axg6bnRalwXcxBNhXhz0L1t0IkNMQSU4Ovx+WkZd3fZaIlQukNxzhAv
  • SPFv=spf1 ip4:66.37.252.46 include:spf.protection.outlook.com include:_spf.atlassian.net include:spfa.cpmails.com include:infosecmail.net -all
  • b67fqboatd278l7fdlodbp5jvg
  • pbm4df58kfkcevvu6gl5vfomf7
  • h651a8a083eb6482685699803abb960ff
  • apple-domain-verification=wKKpSeRsLSZFbohN
  • detectify-verification=953c1077edefaa53f6f46a7777028e9e
  • Foxit-domain-verification=5ddc2defddb6cc4719e59eba7d3509be
  • twilio-domain-verification=dc75f85ee0d86a1c0cca0614263566bb
  • google-site-verification=peWJE-Yd2tQ8i1RcJkdjXYnJ6bQ0gTgau26QUja4Yms
  • apple-domain-verification=ODDMG8bMoACjnJVX9YLPU3LXV1ndmrCXu8jUGACLIFo
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