Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trtexas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 08:43:13 UTC · ↺ Refresh
MX Hostnames
- trtexas-com.mail.protection.outlook.com
MX Priorities
- trtexas-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.76.142 (no PTR)
- 172.67.196.27 (no PTR)
- 2606:4700:3034::6815:4c8e
- 2606:4700:3035::ac43:c41b
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
gerardo.ns.cloudflare.com dns.cloudflare.com 2397088024 10000 2400 604800 1800
Primary NS (mname)
gerardo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397088024
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gerardo.ns.cloudflare.com
katelyn.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net include:_spf.smtp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms46430431
- Sendinblue-code:de893cf055cf06a7eafd352376881347
- google-site-verification=ik6HsmVc5WjXXR2r7IwAzWsdYABPyDaUYgMI5BSIqSU
- SPFv=spf1 include:secureserver.net include:_spf.smtp.com -all
Full email verification for trtexas.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits