Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grupoht.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 01:44:34 UTC · ↺ Refresh
MX Hostnames
- grupoht-com-br.mail.protection.outlook.com
MX Priorities
- grupoht-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.1.75 (no PTR)
- 172.67.73.57 (no PTR)
- 104.26.0.75
- 2606:4700:20::681a:14b
- 2606:4700:20::ac43:4939
- 2606:4700:20::681a:4b
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
lina.ns.cloudflare.com dns.cloudflare.com 2399779839 10000 2400 604800 1800
Primary NS (mname)
lina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399779839
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lina.ns.cloudflare.com
ned.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:179.190.42.250 include:spf.protection.outlook.com include:gruspf.grupoht.com.br -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=5; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._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
7 records- MS=ms51091683
- _m34g55gngak4qjy8xdg1c46993of885
- brevo-code:ce4516bdc484242e07946bc30b5a79c8
- google-site-verification=LGBU9n5PPCCgCxea4ZM0iF5QmJGbtGG84g9s782MKJI
- sendinblue-site-verification=6863862
- SPFv=spf1 a mx ip4:179.190.42.250 include:spf.protection.outlook.com include:gruspf.grupoht.com.br -all
- MS=408BC4782CA3BCB96238B159FF6860DE4620C884
Full email verification for grupoht.com.br
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