pitagoras.edu.co

Valid Email Server
Domain Lookup › pitagoras.edu.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
pitagoras.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 05:50:20 UTC · ↺ Refresh

MX Hostnames

  • ms92229153.msv1.invalid
  • aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 0
  • ms92229153.msv1.invalid: 65535

A / AAAA Records

  • 104.21.9.96 (no PTR)
  • 172.67.189.52 (no PTR)
  • 2606:4700:3034::ac43:bd34 (no PTR)
  • 2606:4700:3035::6815:960 (no PTR)

Mail Server IPs

  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net

SOA Record

Raw SOA dean.ns.cloudflare.com dns.cloudflare.com 2398497742 10000 2400 604800 1800
Primary NS (mname)
dean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398497742
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dean.ns.cloudflare.com
desiree.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:192.250.227.159 include:spf.mysecurecloudhost.com ip4:192.250.227.159 ip4:192.250.227.159 +a +mx +ip4:190.92.170.164 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 392 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

3 records
  • MS=ms92229153
  • google-site-verification=vqE-DRd3-OWtKSKvtFLD1QsQLQ3tO8p3TcJKwhYIFj8
  • SPFv=spf1 ip4:192.250.227.159 include:spf.mysecurecloudhost.com ip4:192.250.227.159 ip4:192.250.227.159 +a +mx +ip4:190.92.170.164 ~all
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