Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tiba.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 02:06:49 UTC · ↺ Refresh
MX Hostnames
- mail3.grm-e.com
- mail4.grm-e.com
- mail2.grm-e.com
- mail1.grm-e.com
MX Priorities
- mail2.grm-e.com: 20
- mail3.grm-e.com: 10
- mail1.grm-e.com: 40
- mail4.grm-e.com: 30
A / AAAA Records
- 132.220.206.94 (no PTR)
Mail Server IPs
- 212.170.34.75 ↩ mail2.grm-e.com
- 57.133.2.115 ↩ mail3.grm-e.com
- 212.170.34.73 ↩ mail1.grm-e.com
- 212.170.34.96 ↩ mail4.grm-e.com
SOA Record
Raw SOA
ns0.directnic.com hostmaster.ns0.directnic.com 2021092817 28800 14400 604800 86400
Primary NS (mname)
ns0.directnic.com
Admin Email (rname)
hostmaster@ns0.directnic.com
Serial
2021092817
Refresh
28800s
Retry
14400s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.directnic.com
ns2.directnic.com
ns0.directnic.com
ns1.directnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:grm-e.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;adkim=s;aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- MS=ms56991816
- atlassian-domain-verification=WrW8ISCuEXYFgBhQqkZcyuSWwfgYEXrTx5EJmyKSNl0umZ4GohAlNHIM8e17HraV
- SPFv=spf1 include:grm-e.com -all
- apple-domain-verification=BcsF3OKx76i8LlAf
- knowbe4-site-verification=347794e4d31d91cf333abdda7c22b486
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