Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
oceanica.ufrj.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 02:59:30 UTC · ↺ Refresh
MX Hostnames
- aspmx4.googlemail.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx.l.google.com
- smtp.google.com
- alt1.aspmx.l.google.com
- aspmx5.googlemail.com
- aspmx3.googlemail.com
MX Priorities
- aspmx3.googlemail.com: 32
- aspmx4.googlemail.com: 34
- aspmx5.googlemail.com: 36
- aspmx2.googlemail.com: 30
- smtp.google.com: 5
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 22
A / AAAA Records
- 146.164.57.2
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 192.178.218.26
- 142.251.163.27
- 142.251.163.26
- 2607:f8b0:4004:c1d::1b
- 2607:f8b0:4004:c1b::1b
- 2607:f8b0:4004:c1b::1a
- 2607:f8b0:4004:c1d::1a
SOA Record
Raw SOA
gauss.oceanica.ufrj.br josias.oceanica.ufrj.br 2026031701 10800 3600 1209600 3600
Primary NS (mname)
gauss.oceanica.ufrj.br
Admin Email (rname)
josias@oceanica.ufrj.br
Serial
2026031701
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
gauss.oceanica.ufrj.br
ns.oceanica.ufrj.br
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=33A9349F6BB07E50998185E7F446DAB82BD542A3
- SPFv=spf1 include:_spf.google.com -all
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