Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ccbcali.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 11:30:54 UTC · ↺ Refresh
MX Hostnames
- ASPMX3.GOOGLEMAIL.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX2.GOOGLEMAIL.COM
- ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 169.48.223.138 ↩ 8a.df.30a9.ip4.static.sl-reverse.com
- 169.48.223.140 ↩ 8c.df.30a9.ip4.static.sl-reverse.com
- 169.48.223.141 ↩ 8d.df.30a9.ip4.static.sl-reverse.com
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
SOA Record
Raw SOA
nserver.calipso.com.co hostmaster.calipso.com.co 2026040101 28800 7200 604800 86400
Primary NS (mname)
nserver.calipso.com.co
Admin Email (rname)
hostmaster@calipso.com.co
Serial
2026040101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
nserver.calipso.com.co
nserver2.calipso.com.co
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:zcsend.net include:sender.zohobooks.com include:spf.mtasv.net include:mail.zendesk.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 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
5 records- autodesk-domain-verification=yFrogl4uistNfYm_rM6M
- google-site-verification=fUilDbR6-xsl9aeCYQNuZTB85JpRffDbgEd_RZESX6o
- SPFv=spf1 include:_spf.google.com include:zcsend.net include:sender.zohobooks.com include:spf.mtasv.net include:mail.zendesk.com ~all
- apple-domain-verification=0AnXxEBO4xXD0ifF
- ZOOM_verify_0ycuu6FIQC-9C44edNN9LA
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