Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uniguajira.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:14:09 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 104.26.13.132 (no PTR)
- 172.67.73.143 (no PTR)
- 104.26.12.132
- 2606:4700:20::681a:c84
- 2606:4700:20::681a:d84
- 2606:4700:20::ac43:498f
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ace.ns.cloudflare.com dns.cloudflare.com 2399533539 10000 2400 604800 1800
Primary NS (mname)
ace.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399533539
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ace.ns.cloudflare.com
sydney.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +mx include:musvc.com include:_spf.google.com include:spf.protection.outlook.com include:spf-na.exlibrisgroup.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:[email protected]; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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- MS=803CB4B919AB992EFB16BF08762699022F05DEDF
- [12.02.2026]
- google-site-verification=wghGEo6RYYhR5OXvBihpeZQi3Yu5AWQ-xa8TDV8PoGI
- SPFv=spf1 +mx include:musvc.com include:_spf.google.com include:spf.protection.outlook.com include:spf-na.exlibrisgroup.com -all
- 12.02.2026
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