greenheatingandair.ca

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-23 22:01:27 UTC · ↺ Refresh

MX Hostnames

  • ALT4.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM
  • ALT1.ASPMX.L.GOOGLE.COM
  • ALT3.ASPMX.L.GOOGLE.COM
  • ALT2.ASPMX.L.GOOGLE.COM

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 198.202.211.1

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.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::1b ↩ dj-in-f27.1e100.net
  • 64.233.180.26 ↩ pe-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net

SOA Record

Raw SOA ns1.netfirms.com hostmaster.netfirms.com 2015120443 10800 3600 604800 3600
Primary NS (mname)
ns1.netfirms.com
Admin Email (rname)
hostmaster@netfirms.com
Serial
2015120443
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.netfirms.com
ns2.netfirms.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mailgun.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 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

4 records
  • google-site-verification=2uDSlPWQNPhIdFlFNxhKLxNnlRLYwdW2xjcQF3qanqk
  • google-site-verification=Sz5t8X3_nsu3gaUyQJri9V_fO-bOKuox40Q3eiPns9o
  • google-site-verification=q-1UYHHB981r-R29tDWPjDT41brAiOsQ_5hswr9l3iM
  • SPFv=spf1 include:mailgun.org ~all
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