christensenbuilding.com

Valid Email Server
Domain Lookup › christensenbuilding.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
christensenbuilding.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 22:30:47 UTC · ↺ Refresh

MX Hostnames

  • d308274a.ess.barracudanetworks.com
  • d308274b.ess.barracudanetworks.com

MX Priorities

  • d308274a.ess.barracudanetworks.com: 1
  • d308274b.ess.barracudanetworks.com: 1

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA denver.ns.cloudflare.com dns.cloudflare.com 2395371325 10000 2400 604800 1800
Primary NS (mname)
denver.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395371325
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

denver.ns.cloudflare.com
monika.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:50.229.198.2 include:spf.protection.outlook.com include:spf.turbo-smtp.com include:spf.ess.barracudanetworks.com include:_spf.createsend.com include:_spf.psm.knowbe4.com include:_spf.google.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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

4 records
  • MS=ms20681734
  • apple-domain-verification=6S1ndT0GDrGkKrcP
  • google-site-verification=ZGVmbUUMiHkQmZxOP6GoB7KDCT2nQzWAgxq9syXXohI
  • SPFv=spf1 ip4:50.229.198.2 include:spf.protection.outlook.com include:spf.turbo-smtp.com include:spf.ess.barracudanetworks.com include:_spf.createsend.com include:_spf.psm.knowbe4.com include:_spf.google.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
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