Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
danuk.ca
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 20:44:52 UTC · ↺ Refresh
MX Hostnames
- d403055.a.ess.ca.barracudanetworks.com
- d403055.b.ess.ca.barracudanetworks.com
MX Priorities
- d403055.a.ess.ca.barracudanetworks.com: 98
- d403055.b.ess.ca.barracudanetworks.com: 99
A / AAAA Records
- 209.151.236.227 ↩ us01.oncord.com
Mail Server IPs
- 15.222.16.209 ↩ mail.ess.ca.barracuda.com
- 15.222.16.211 ↩ mail.ess.ca.barracuda.com
- 15.222.16.210 ↩ mail.ess.ca.barracuda.com
SOA Record
Raw SOA
ns-896.awsdns-48.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-896.awsdns-48.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1124.awsdns-12.org
ns-1664.awsdns-16.co.uk
ns-199.awsdns-24.com
ns-896.awsdns-48.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.ca.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 include:spf.ess.ca.barracudanetworks.com -all
Full email verification for danuk.ca
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