Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
poli.ufrj.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 10:37:24 UTC · ↺ Refresh
MX Hostnames
- leopard.poli.ufrj.br
- ASPMX5.GOOGLEMAIL.COM
- ASPMX2.GOOGLEMAIL.COM
- ASPMX.L.GOOGLE.COM
- ASPMX3.GOOGLEMAIL.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX4.GOOGLEMAIL.COM
- ALT1.ASPMX.L.GOOGLE.COM
MX Priorities
- aspmx4.googlemail.com: 10
- aspmx5.googlemail.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 0
- aspmx2.googlemail.com: 10
- leopard.poli.ufrj.br: 50
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 34.121.196.7 ↩ 7.196.121.34.bc.googleusercontent.com
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
SOA Record
Raw SOA
ns1.poli.ufrj.br sti.poli.ufrj.br 2026030402 300 30 1209600 14400
Primary NS (mname)
ns1.poli.ufrj.br
Admin Email (rname)
sti@poli.ufrj.br
Serial
2026030402
Refresh
300s
Retry
30s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
nsx.ufrj.br
ns2.poli.ufrj.br
ns-cloud-c2.googledomains.com
ns-cloud-c1.googledomains.com
ns1.poli.ufrj.br
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns.ufrj.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:aspmx.googlemail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 include:aspmx.googlemail.com ~all
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