Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
certipe.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 23:14:29 UTC · ↺ Refresh
MX Hostnames
- mx-ha.skymail.net.br
MX Priorities
- mx-ha.skymail.net.br: 10
A / AAAA Records
- 200.187.71.92 ↩ weblinux15.skymail.net.br
Mail Server IPs
- 168.0.133.10 ↩ mx-ha.skymail.net.br
SOA Record
Raw SOA
b.sec.dns.br hostmaster.registro.br 2026140000 86400 900 604800 900
Primary NS (mname)
b.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026140000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
c.sec.dns.br
b.sec.dns.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.skymail.net.br -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ Missing
v=DMARC1; p=nenhum;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.skymail.net.br -all
- facebook-domain-verification=0xa4dfhfuncjnsl7bc9915f2b2vwh0
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