thinkcbt.com

Valid Email Server
Domain Lookup › thinkcbt.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thinkcbt.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 23:06:20 UTC · ↺ Refresh

MX Hostnames

  • mx00.ionos.co.uk
  • mx01.ionos.co.uk

MX Priorities

  • mx01.ionos.co.uk: 10
  • mx00.ionos.co.uk: 10

A / AAAA Records

  • 217.160.0.37 ↩ 217-160-0-37.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::26a ↩ 2001-08d8-100f-f000-0000-0000-0000-026a.elastic-ssl.ui-r.com

Mail Server IPs

  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1054.ui-dns.de hostmaster.1und1.com 2017070474 28800 7200 604800 600
Primary NS (mname)
ns1054.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017070474
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1124.ui-dns.com
ns1113.ui-dns.biz
ns1054.ui-dns.de
ns1071.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.zoho.eu include:eu.transmail.net include:spf.zohomail360.eu ~all
📊 DNS lookups: 5/10
~ 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

5 records
  • zoho-verification=zb99966485.zmverify.zoho.eu
  • SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.zoho.eu include:eu.transmail.net include:spf.zohomail360.eu ~all
  • google-site-verification=apMTnBclSrqOCJMogM3SaAMKnBwxTEerqM9BlLfvL_c
  • proxy-ssl.webflow.com
  • google-site-verification=feCrT8NDZZrFAcZ_Lw5VQIjyauJKUXnlpH3MZoOYJ-w
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