Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cue.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 12:16:48 UTC · ↺ Refresh
MX Hostnames
- cue.edu.co
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 0
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- cue.edu.co: 25
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 3.226.38.246 ↩ ec2-3-226-38-246.compute-1.amazonaws.com
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 3.226.38.246 ↩ ec2-3-226-38-246.compute-1.amazonaws.com
SOA Record
Raw SOA
ns-424.awsdns-53.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-424.awsdns-53.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1794.awsdns-32.co.uk
ns-424.awsdns-53.com
ns-894.awsdns-47.net
ns-1029.awsdns-00.org
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
No TXT records found.
Full email verification for cue.edu.co
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits