Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
principado.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 04:20:21 UTC · ↺ Refresh
MX Hostnames
- mx2-us.emailsecurity.app
- mx1-us.emailsecurity.app
MX Priorities
- mx1-us.emailsecurity.app: 0
- mx2-us.emailsecurity.app: 10
A / AAAA Records
- 151.101.1.91 (no PTR)
- 151.101.65.91 (no PTR)
- 151.101.129.91 (no PTR)
- 151.101.193.91 (no PTR)
Mail Server IPs
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
pdns05.domaincontrol.com dns.jomax.net 2026030206 28800 7200 604800 600
Primary NS (mname)
pdns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030206
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns06.domaincontrol.com
pdns05.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.elasticemail.com include:spf1.emailsecurity.app -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- u3fiochd4g8ktu7o0o61cbekcs
- genjienh27mdr8hb5b9vc9l7el
- 3plf7s0qda1e9cpms9rlnj7tso
- SPFv=spf1 include:_spf.google.com include:_spf.elasticemail.com include:spf1.emailsecurity.app -all
- MS=46DABD5FCD6AC9A399E48FE9741F1A72F8E0C39C
- ov1a0mn3ec63d2872q012d0op3
Full email verification for principado.com.mx
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