thomas-insulation.com

Valid Email Server
Domain Lookup › thomas-insulation.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thomas-insulation.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 08:55:42 UTC · ↺ Refresh

MX Hostnames

  • mx14-2.sherwebcloud.com
  • mx14-1.sherwebcloud.com

MX Priorities

  • mx14-1.sherwebcloud.com: 10
  • mx14-2.sherwebcloud.com: 10

A / AAAA Records

  • 145.223.123.48 (no PTR)

Mail Server IPs

  • 207.126.101.115 ↩ mx14-2.sherwebcloud.com
  • 207.126.101.114 ↩ mx14-1.sherwebcloud.com

SOA Record

Raw SOA dns1.sherweb.com admin.sherweb.com 67 10800 1800 86400 3600
Primary NS (mname)
dns1.sherweb.com
Admin Email (rname)
admin@sherweb.com
Serial
67
Refresh
10800s
Retry
1800s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

dns2.sherweb.com
dns1.sherweb.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:207.126.101.0/24 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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
  • SPFv=spf1 ip4:207.126.101.0/24 -all
Full email verification for thomas-insulation.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits