Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biologia.ufrj.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 02:40:38 UTC · ↺ Refresh
MX Hostnames
- email.ufrj.br
MX Priorities
- email.ufrj.br: 0
A / AAAA Records
- 146.164.209.16 ↩ wp.tic.ufrj.br
Mail Server IPs
- 146.164.170.158 ↩ email.ufrj.br
SOA Record
Raw SOA
ns.ufrj.br helpdns.tic.ufrj.br 2025102801 86400 7200 2419200 86400
Primary NS (mname)
ns.ufrj.br
Admin Email (rname)
helpdns@tic.ufrj.br
Serial
2025102801
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns1.nce.ufrj.br
ns2.nce.ufrj.br
nsx.ufrj.br
ns.ufrj.br
SPF Record
✓ Strict (-all)
v=spf1 ip4:146.164.170.158 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:146.164.170.158 -all
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