Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ifb.edu.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 08:41:30 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 66.22.29.75 (no PTR)
Mail Server IPs
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
SOA Record
Raw SOA
cali.ifb.edu.br ntic.ifb.edu.br 2026030504 10800 3600 1209600 10800
Primary NS (mname)
cali.ifb.edu.br
Admin Email (rname)
ntic@ifb.edu.br
Serial
2026030504
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
maracaibo.ifb.edu.br
cali.ifb.edu.br
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:200.130.64.0/24 ip4:34.95.191.50 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
9 records- MS=7A6FF5C75B67B69B30A5AAD18C6746D8BD6AF678
- google-site-verification=6SQ-G37-1uH8tdU6qdrhJb3wUwwAKsq33V14dATGu70
- _globalsign-domain-verification=ZqQljMzG9a_FFUhgOKMTE59aVq8s5Mk8hY0qQuJ58-
- _globalsign-domain-verification=GYYUJ1snLTzL0oxXsOBPxCZL6ceAYerSkNJ2S9VYyB
- google-site-verification=0upc2RfHuVjqDpMONan-XkK3j1OvwvZ0Gg1zfW7RiAw
- SPFv=spf1 ip4:200.130.64.0/24 ip4:34.95.191.50 include:_spf.google.com ~all
- _globalsign-domain-verification=SoNzfpcR9X0ngRQIDhG_YvIVkMCO_z_mOnQfu8Wh_P
- _globalsign-domain-verification=4isCWIpIwn1_XTpSKFuGAn8BqcIdxAZnuFSIw7JLbO
- _globalsign-domain-verification=XaKn_d8U6265Eia4JQhvwYvHKtEZ7xUVy-rcJnMsVS
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