Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fortesec.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 02:46:57 UTC · ↺ Refresh
MX Hostnames
- mx-02-us-east-2.prod.hydra.sophos.com
- mx-01-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-02-us-east-2.prod.hydra.sophos.com: 20
- mx-01-us-east-2.prod.hydra.sophos.com: 10
A / AAAA Records
- 104.21.3.57 (no PTR)
- 172.67.130.71 (no PTR)
- 2606:4700:3032::ac43:8247 (no PTR)
- 2606:4700:3032::6815:339 (no PTR)
Mail Server IPs
- 18.189.107.171 ↩ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
- 3.138.43.149 ↩ ec2-3-138-43-149.us-east-2.compute.amazonaws.com
- 18.118.219.4 ↩ ec2-18-118-219-4.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
dexter.ns.cloudflare.com dns.cloudflare.com 2399608848 10000 2400 604800 1800
Primary NS (mname)
dexter.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399608848
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dexter.ns.cloudflare.com
lorna.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:64.34.176.235 include:servers.mcsv.net include:_spf.prod.hydra.sophos.com include:_spf_useast2.prod.hydra.sophos.com include:pm.mtasv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=none ;fo=1; ri=3600
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
9 records- sophos-domain-verification=acf646d49a45f3906d19bc92ceb63662b056f7e7
- SPFv=spf1 include:spf.protection.outlook.com ip4:64.34.176.235 include:servers.mcsv.net include:_spf.prod.hydra.sophos.com include:_spf_useast2.prod.hydra.sophos.com include:pm.mtasv.net -all
- z29vxgb0v6bn3dt145rq418pvhshv4tb
- 2k261b2x01n85g4h3smk2kynztsmb0sx
- anthropic-domain-verification-rtwvn4=aOyAWmPR9UcyFSl0aJEF8w2Mw
- clicksign-domain-verification=TcShgeKR7Kh4cRxEPnV2HkCapqPonJjU4kVZ9Th3G0w=
- facebook-domain-verification=80ztbdd15kh7auiyt86ywkpswwem5r
- google-site-verification=7glGofRospDthsY4tXPzcaM_ucslPQ3LJ64GL9iGseY
- n6ccgvp8tp9g41tnpfrggs0kdrlvfn5g
Full email verification for fortesec.com.br
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