gtblaw.com

Valid Email Server
Domain Lookup › gtblaw.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gtblaw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 01:46:27 UTC · ↺ Refresh

MX Hostnames

  • mail.gtblaw.com
  • mail.gtblaw.com
  • mail.gtblaw.com
  • gtblaw-com.mail.protection.outlook.com

MX Priorities

  • mail.gtblaw.com: 20
  • mail.gtblaw.com: 30
  • gtblaw-com.mail.protection.outlook.com: 0
  • mail.gtblaw.com: 10

A / AAAA Records

  • 104.16.108.239 (no PTR)
  • 104.16.109.239
  • 104.16.111.239
  • 104.16.110.239
  • 104.16.112.239

Mail Server IPs

  • 66.60.160.2 ↩ mail.gtblaw.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA carol.ns.cloudflare.com dns.cloudflare.com 2396817677 10000 2400 604800 1800
Primary NS (mname)
carol.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396817677
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jerome.ns.cloudflare.com
carol.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.60.160.2 ip4:66.60.160.3 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • 15GFr8TJ2dX2FJGw6y09xzo4Dp6+ZQda4C+SW/Zgpxe4Otjg5HT0GmSdSBfTWdZLeSelYI70ZGtBrhrMGYEk3g==
  • MS=ms77578744
  • SPFv=spf1 ip4:66.60.160.2 ip4:66.60.160.3 include:spf.protection.outlook.com -all
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