Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
davidnicebuilders.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 20:15:18 UTC · ↺ Refresh
MX Hostnames
- d159792a.ess.barracudanetworks.com
- d159792b.ess.barracudanetworks.com
MX Priorities
- d159792a.ess.barracudanetworks.com: 10
- d159792b.ess.barracudanetworks.com: 20
A / AAAA Records
- 146.148.38.73 ↩ 73.38.148.146.bc.googleusercontent.com
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
ns31.worldnic.com namehost.worldnic.com 125071012 10800 3600 604800 3600
Primary NS (mname)
ns31.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125071012
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns31.worldnic.com
ns32.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:149.72.46.229 ip4:198.21.0.170 ip4:216.54.40.150 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- rv9771rbjjkc348ckdppbebr8n
- google-site-verification=pWqfZ_GibV9aa676V3b8uE3m60-3bilhL86bGn2mgNs
- MS=ms70858311
- SPFv=spf1 ip4:149.72.46.229 ip4:198.21.0.170 ip4:216.54.40.150 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- apple-domain-verification=LOZVxrdWobV3dt2M
- MS=A8B0739335CC6B50BEF4E04EA0688FF8813434FA
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