Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
builtbyh.ca
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:58:41 UTC · ↺ Refresh
MX Hostnames
- d402853.a.ess.ca.barracudanetworks.com
- d402853.b.ess.ca.barracudanetworks.com
MX Priorities
- d402853.a.ess.ca.barracudanetworks.com: 0
- d402853.b.ess.ca.barracudanetworks.com: 10
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8001::1 (no PTR)
- 2620:12a:8000::1 (no PTR)
Mail Server IPs
- 15.222.16.209 ↩ mail.ess.ca.barracuda.com
- 15.222.16.210 ↩ mail.ess.ca.barracuda.com
- 15.222.16.211 ↩ mail.ess.ca.barracuda.com
SOA Record
Raw SOA
donna.ns.cloudflare.com dns.cloudflare.com 2397929678 10000 2400 604800 1800
Primary NS (mname)
donna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397929678
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
donna.ns.cloudflare.com
graham.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.ca.barracudanetworks.com include:mailgun.org include:mg.leapxd.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=2svuA5ICIvqpWTbY3-kEPwyp6mD6X90dubMlRTbMzBw
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.ca.barracudanetworks.com include:mailgun.org include:mg.leapxd.com -all
- v=verifydomain MS=5581506
Full email verification for builtbyh.ca
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits