Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cambridgeheattreating.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:13:23 UTC · ↺ Refresh
MX Hostnames
- mailrouter1.execulink.com
MX Priorities
- mailrouter1.execulink.com: 10
A / AAAA Records
- 134.122.40.19 (no PTR)
Mail Server IPs
- 199.166.6.105 ↩ mailrouter1.execulink.com
SOA Record
Raw SOA
mallet.execulink.net sysadmin.execulink.com 2010113251 187340 300 604800 21600
Primary NS (mname)
mallet.execulink.net
Admin Email (rname)
sysadmin@execulink.com
Serial
2010113251
Refresh
187340s
Retry
300s
Expire
604800s
Minimum TTL
21600s
Nameservers (NS)
ns-bmi.execulink.com
ns.execulink.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailgun.org include:spf.execulink.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- Last Installed: Mon Jun 20 18:48:16 EDT 2022
- RCS Revision: $Revision: 1.6 $
- SPFv=spf1 include:mailgun.org include:spf.execulink.com ~all
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