columbiaredi.com

Valid Email Server
Domain Lookup › columbiaredi.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
columbiaredi.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 22:29:36 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 35.206.81.51

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 142.250.102.27 ↩ rb-in-f27.1e100.net
  • 2a00:1450:4025:402::1a ↩ rb-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net

SOA Record

Raw SOA julian.ns.cloudflare.com dns.cloudflare.com 2398655727 10000 2400 604800 1800
Primary NS (mname)
julian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398655727
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

tess.ns.cloudflare.com
julian.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mercury.gocolumbiamo.com a:apollo.gocolumbiamo.com a:news.gocolumbiamo.com a:ns1.gocolumbiamo.com a:ns2.gocolumbiamo.com include:zcsend.net include:sendgrid.net ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=APhxi_p5RCMvRcBIfO2-EF-_BDHix86iDfplBKM39RY
  • google-site-verification=WJD0ZsT4El1YeaIT_b1TmLWQjYLb-AbThFuXY9nIbSQ
  • SPFv=spf1 a mx a:mercury.gocolumbiamo.com a:apollo.gocolumbiamo.com a:news.gocolumbiamo.com a:ns1.gocolumbiamo.com a:ns2.gocolumbiamo.com include:zcsend.net include:sendgrid.net ~all
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