columntax.com

Valid Email Server
Domain Lookup › columntax.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
columntax.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 21:13:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

No priority data.

A / AAAA Records

  • 99.84.160.83
  • 99.84.160.71
  • 99.84.160.118
  • 99.84.160.102
  • 2600:9000:20e9:4a00:10:73bc:4e00:93a1
  • 2600:9000:20e9:5400:10:73bc:4e00:93a1
  • 2600:9000:20e9:4600:10:73bc:4e00:93a1
  • 2600:9000:20e9:6600:10:73bc:4e00:93a1
  • 2600:9000:20e9:cc00:10:73bc:4e00:93a1
  • 2600:9000:20e9:c00:10:73bc:4e00:93a1
  • 2600:9000:20e9:6200:10:73bc:4e00:93a1
  • 2600:9000:20e9:8600:10:73bc:4e00:93a1

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1918.awsdns-47.co.uk
ns-301.awsdns-37.com
ns-667.awsdns-19.net
ns-1503.awsdns-59.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mail.zendesk.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._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

12 records
  • SPFv=spf1 include:_spf.google.com include:mail.zendesk.com ~all
  • ZOOM_verify_pEOOpv1r5z9Ou9mqDduqBI=
  • apple-domain-verification=GNw9rUAG6xHOJLsU
  • ccisso=85223a82-efc7-4b6f-8d35-dd31aef0329e
  • f197002b9a0853eca5e046d9ca4663d5
  • google-site-verification=VC4A8pOhYGFmSlo30v-_u0lCixRNDkw-mFlIU18eD5g
  • launchdarkly-domain-verification=7bbeeaeb-1483-4d05-aedd-86d4fe5dbd54
  • mixpanel-domain-verify=c020d7cd-449d-4fed-bed4-191c5ea0d8b0
  • new-relic-domain-verification=bc6ad3e4d15f42bcba93ee674a080bc5
  • slack-domain-verification=sJTDqhgTsNjfYwhMix7BSuHRzxSCco1EMTsUalnl
  • stripe-verification=7ca6ce48a01f60a4c9565494cb646d80e9a9004638967c8b92170e3e33f32a17
  • uqwsbbxmsk
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