christophersonbuilders.com

Valid Email Server
Domain Lookup › christophersonbuilders.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
christophersonbuilders.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 21:09:21 UTC · ↺ Refresh

MX Hostnames

  • christophersonbuilders.com.1.0001.arsmtp.com
  • christophersonbuilders.com.2.0001.arsmtp.com

MX Priorities

  • christophersonbuilders.com.1.0001.arsmtp.com: 10
  • christophersonbuilders.com.2.0001.arsmtp.com: 20

A / AAAA Records

  • 35.215.119.160 ↩ 160.119.215.35.bc.googleusercontent.com

Mail Server IPs

  • 8.31.233.244 ↩ server2018.appriver.com
  • 8.19.118.225 ↩ server2019.appriver.com

SOA Record

Raw SOA ns25.domaincontrol.com dns.jomax.net 2025071702 28800 7200 604800 600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025071702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns26.domaincontrol.com
ns25.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a:mail.christophersonbuilders.com ip4:157.131.106.174 include:spf.constantcontact.com include:_netblocks.envisionoptions.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

5 records
  • google-site-verification=eRUA-rK0Vo5hO_olvh46mOb3tHcC7dnak_O98SOZQ6I
  • brevo-code:596c5e57d369a161e6c5827ea0e4660d
  • SPFv=spf1 a:mail.christophersonbuilders.com ip4:157.131.106.174 include:spf.constantcontact.com include:_netblocks.envisionoptions.com -all
  • l40us1grr9irmpcq3fuslea8jq
  • facebook-domain-verification=r86pps1swa2wplrh8juss8igyadmtg
Full email verification for christophersonbuilders.com

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