Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celyconstruction.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 07:08:30 UTC · ↺ Refresh
MX Hostnames
- d201130a.ess.barracudanetworks.com
- d201130b.ess.barracudanetworks.com
MX Priorities
- d201130b.ess.barracudanetworks.com: 10
- d201130a.ess.barracudanetworks.com: 0
A / AAAA Records
- 104.21.54.212 (no PTR)
- 172.67.142.76 (no PTR)
- 2606:4700:3033::ac43:8e4c (no PTR)
- 2606:4700:3030::6815:36d4 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
brenda.ns.cloudflare.com dns.cloudflare.com 2398389285 10000 2400 604800 1800
Primary NS (mname)
brenda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398389285
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
brenda.ns.cloudflare.com
mario.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:68.115.242.38 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:68.115.242.38 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
- MS=ms80029065
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