cobbcollaborative.org

Valid Email Server
Domain Lookup › cobbcollaborative.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cobbcollaborative.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 00:53:32 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com

MX Priorities

  • aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 30
  • aspmx2.googlemail.com: 40
  • aspmx3.googlemail.com: 50

A / AAAA Records

  • 104.21.46.164 (no PTR)
  • 172.67.140.181 (no PTR)
  • 2606:4700:3030::6815:2ea4
  • 2606:4700:3037::ac43:8cb5

Mail Server IPs

  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.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
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA brenda.ns.cloudflare.com dns.cloudflare.com 2398130080 10000 2400 604800 1800
Primary NS (mname)
brenda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398130080
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

brenda.ns.cloudflare.com
dax.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

✗ 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

2 records
  • MS=ms54613145
  • google-site-verification=2Y9wFvWjQSTOS3V9p7WhRoIs8fOhM-q9_2TA0cjUzw0
Full email verification for cobbcollaborative.org

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits