Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gruponos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 03:16:03 UTC · ↺ Refresh
MX Hostnames
- gruponos-com.mail.protection.outlook.com
MX Priorities
- gruponos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.107.253.41 (no PTR)
- 13.107.226.41 (no PTR)
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-36.azure-dns.com hostmaster.gruponos.com 2020050462 3600 600 604800 300
Primary NS (mname)
ns1-36.azure-dns.com
Admin Email (rname)
hostmaster@gruponos.com
Serial
2020050462
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2-36.azure-dns.net
ns3-36.azure-dns.org
ns4-36.azure-dns.info
ns1-36.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:smtpo365.minhati.com.br ip4:177.67.63.0/24 ip4:177.67.63.37 a:mx37.minhati.com.br a:internet.minhati.com.br include:amazonses.com include:mail.zendesk.com include:_spf.salesforce.com ip4:149.96.133.2 ip4:149.96.132.2 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; ri=3600; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- 202274d0eba1866e
- n+16RMcF4iFkq+Vp+K5xdibEaAm5uUMVbJDYaIMB1138WdgpkzjdZg6xk6LZlhAmJJg/tAHb8WTtXrBFiGP5zw==
- workplace-domain-verification=v67T1JmevNEZjhlu2Ub5f5xIkMWv5G
- knowbe4-site-verification=edd50a045b8597f696630b93c8c13fdf
- SPFv=spf1 include:spf.protection.outlook.com a:smtpo365.minhati.com.br ip4:177.67.63.0/24 ip4:177.67.63.37 a:mx37.minhati.com.br a:internet.minhati.com.br include:amazonses.com include:mail.zendesk.com include:_spf.salesforce.com ip4:149.96.133.2 ip4:149.96.132.2 -all
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