Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
contractorsofcolorado.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 22:40:05 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 172.67.159.170 (no PTR)
- 104.21.14.140
- 2606:4700:3036::ac43:9faa
- 2606:4700:3036::6815:e8c
Mail Server IPs
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net
- 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
SOA Record
Raw SOA
grace.ns.cloudflare.com dns.cloudflare.com 2399142672 10000 2400 604800 1800
Primary NS (mname)
grace.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399142672
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
julian.ns.cloudflare.com
grace.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zohomail.com include:spf.mailjet.com ~all
📊 DNS lookups: 2/10
~ 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
✓ 1 found
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:zohomail.com include:spf.mailjet.com ~all
- google-site-verification=NxB0txMuURdhmbXWvE1ROj8I3DiYqarzSuuAA67_cRM
Full email verification for contractorsofcolorado.org
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