ctbdh.ca

Valid Email Server
Domain Lookup › ctbdh.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ctbdh.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 10:56:29 UTC · ↺ Refresh

MX Hostnames

  • fpoerizun3zva7hk3lf5cw4cs53tjpegh7uplwc2mn4nbcmb4jsq.mx-verification.google.com
  • smtp.google.com

MX Priorities

  • fpoerizun3zva7hk3lf5cw4cs53tjpegh7uplwc2mn4nbcmb4jsq.mx-verification.google.com: 15
  • smtp.google.com: 1

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.145
  • 198.185.159.144
  • 198.49.23.144

Mail Server IPs

  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 172.253.62.26 ↩ bc-in-f26.1e100.net
  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 172.253.62.27 ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net

SOA Record

Raw SOA ruth.ns.cloudflare.com dns.cloudflare.com 2399808928 10000 2400 604800 1800
Primary NS (mname)
ruth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399808928
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ruth.ns.cloudflare.com
sterling.ns.cloudflare.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

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

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

No TXT records found.

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