Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
serpro.gov.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 09:31:34 UTC · ↺ Refresh
MX Hostnames
- protection.serpro.gov.br
MX Priorities
- protection.serpro.gov.br: 0
A / AAAA Records
- 161.148.175.208 (no PTR)
Mail Server IPs
- 161.148.50.251 ↩ protection.serpro.gov.br
SOA Record
Raw SOA
bsa1.serpro.gov.br hostmaster.serpro.gov.br 2026032003 14400 3600 1814400 3600
Primary NS (mname)
bsa1.serpro.gov.br
Admin Email (rname)
hostmaster@serpro.gov.br
Serial
2026032003
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
bsa1.serpro.gov.br
spo2.serpro.gov.br
spo1.serpro.gov.br
bsa2.serpro.gov.br
SPF Record
✓ Strict (-all)
v=spf1 ip4:161.148.19.201/32 ip4:161.148.19.202/32 ip4:161.148.21.192/26 ip4:161.148.50.192/26 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine ; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; pct=20; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 2 found
selector2._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector2
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- dtm-domain-verification=ZJ1Tz7DFSTrU3ZjLED2ODq21-SkEBk16Z1X5TO0D07k
- SPFv=spf1 ip4:161.148.19.201/32 ip4:161.148.19.202/32 ip4:161.148.21.192/26 ip4:161.148.50.192/26 include:spf.protection.outlook.com -all
- ibmid:1a2dbdda-f008-4776-aada-c1552e3a2c31
- google-site-verification=K-3DKtv7vV5QTGFy-CXrEcA9Lw0V-3ti-cQGPZefIc0
- asap-site-verification-0712dc71-13a2-4292-8d56-3d0a1f291fac
- IL0L7TOVSZ9OFGACUJ5HWOQNV2VYX7YT1I77HVJA
- google-site-verification=hoGakrWQvQeplNwKuSxTvdJ00haVIlQ9J_cVXtuOFTM
- cloudflare_dashboard_sso=2f1463605f032d1524d1f92064bcf55a
- globalsign-domain-verification=D23DC8FAF1909E87CA3636DD0512E20A
- miro-verification=d781eb1659b03cb78aeab275793c51a01dea8cb3
- MS=2CDFEDDA9DB10B942E013C28C6DE83D4ABB014A1
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