Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fsb.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 18:41:45 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 52.226.79.124
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.fsb.com.br 92 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@fsb.com.br
Serial
92
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns4.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:1095604421.agenciapr.net include:qp-mail.com include:servers.mcsv.net include:20781596.spf06.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- slack-domain-verification=CNeWHZ3ogr5zz4KsOPHglaBhsmKMtRgRNgGYFXCQ
- SPFv=spf1 include:_spf.google.com include:1095604421.agenciapr.net include:qp-mail.com include:servers.mcsv.net include:20781596.spf06.hubspotemail.net ~all
- nlu6d4300lalfskii1f994skct
- mro06ensj7946jkkfb0p7djt87
Full email verification for fsb.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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