Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
ssp.df.gov.br
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-30 12:23:32 UTC ยท โบ Refresh
MX Hostnames
- smtp051.gdfnet.df.gov.br
- smtp054.gdfnet.df.gov.br
- smtp053.gdfnet.df.gov.br
MX Priorities
- smtp053.gdfnet.df.gov.br: 5
- smtp054.gdfnet.df.gov.br: 5
- smtp051.gdfnet.df.gov.br: 15
A / AAAA Records
- 131.72.221.22 (no PTR)
Mail Server IPs
- 131.72.222.253 โฉ smtp053.gdfnet.df.gov.br
- 131.72.222.254 โฉ smtp054.gdfnet.df.gov.br
- 131.72.221.51 โฉ smtp051.gdfnet.df.gov.br
SOA Record
Raw SOA
ns1.ssp.df.gov.br suporte.gdfnet.df.gov.br 2026031702 28800 7200 2400000 86400
Primary NS (mname)
ns1.ssp.df.gov.br
Admin Email (rname)
suporte@gdfnet.df.gov.br
Serial
2026031702
Refresh
28800s
Retry
7200s
Expire
2400000s
Minimum TTL
86400s
Nameservers (NS)
ns2.ssp.df.gov.br
ns1.ssp.df.gov.br
SPF Record
โ Strict (-all)
v=spf1 ip4:131.72.220.0/22 include:spf.protection.outlook.com -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 ip4:131.72.220.0/22 include:spf.protection.outlook.com -all
- google-site-verification=wgKstJJyUtFY15VXNxjDFqpdYOwFsKEvNtGDJznSd8o
- google-site-verification=u0S6DFSbXX2bZxbtrhaoukqTc5IaBd6LVI3iytKIwCo
- MS=ms56660058
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for ssp.df.gov.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits