Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pcdf.df.gov.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 12:21:06 UTC · ↺ Refresh
MX Hostnames
- mx.pcdf.df.gov.br
MX Priorities
- mx.pcdf.df.gov.br: 5
A / AAAA Records
- 189.84.136.223 (no PTR)
Mail Server IPs
- 190.103.161.25 ↩ mx.pcdf.df.gov.br
- 189.84.136.217 ↩ mx.pcdf.df.gov.br
SOA Record
Raw SOA
ns1.pcdf.df.gov.br ditec-srdt.pcdf.df.gov.br 2026032609 3600 900 1209600 86400
Primary NS (mname)
ns1.pcdf.df.gov.br
Admin Email (rname)
ditec-srdt@pcdf.df.gov.br
Serial
2026032609
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.pcdf.df.gov.br
ns1.pcdf.df.gov.br
ns3.pcdf.df.gov.br
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:177.85.251.153/32 ip4:177.85.251.217/32 ip4:189.84.136.217/32 ip4:190.103.161.25/32 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:177.85.251.153/32 ip4:177.85.251.217/32 ip4:189.84.136.217/32 ip4:190.103.161.25/32 -all
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