thecobuilders.com

Valid Email Server
Domain Lookup › thecobuilders.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 06:07:01 UTC · ↺ Refresh

MX Hostnames

  • jvpmkohlzuqoaculev37z5k7ztsgpbhp3f3vqy6kkdhgxikau5lq.mx-verification.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • jvpmkohlzuqoaculev37z5k7ztsgpbhp3f3vqy6kkdhgxikau5lq.mx-verification.google.com: 15
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 52.31.67.126 ↩ ec2-52-31-67-126.eu-west-1.compute.amazonaws.com
  • 54.195.103.85 ↩ ec2-54-195-103-85.eu-west-1.compute.amazonaws.com
CNAME → thecobuilders-1938418723.eu-west-1.elb.amazonaws.com

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1773054971 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1773054971
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

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

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • atlassian-domain-verification=9Y3pLI6jkIQ5uCniZtNPnBzqrYUP3tqc4zmukWsA4g1rf4fuW//hZCjTndeCm3A8
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