Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
caldwelltanks.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-03 13:44:11 UTC · ↺ Refresh
MX Hostnames
- d190114a.ess.barracudanetworks.com
- d190114b.ess.barracudanetworks.com
MX Priorities
- d190114a.ess.barracudanetworks.com: 10
- d190114b.ess.barracudanetworks.com: 20
A / AAAA Records
- 172.67.148.234 (no PTR)
- 104.21.11.108 (no PTR)
- 2606:4700:3034::ac43:94ea (no PTR)
- 2606:4700:3036::6815:b6c (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
cash.ns.cloudflare.com dns.cloudflare.com 2416351676 10000 2400 604800 1800
Primary NS (mname)
cash.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2416351676
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cash.ns.cloudflare.com
elma.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.68.231.210 ip4:12.68.231.211 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 11 found
google._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- 3ce15ref8j7jbf64igjkrrt135
- B253C17B73
- FgTKhdG5rEGSlb97C3lJdw58FU4y12/IvLN9odidQjA6Szh5GJjY3owqHKfjaVxaBoN/CESVEqwUkdNC/C0k/Q==
- MS=ms89385153
- apple-domain-verification=yZU3S2rkYwA6bHU7
- duo_sso_verification=W5b2VmuwvOUpECbukLdgCc4PKZ9QkTQaxQIN0fKqMK7LpENKMsaFAwfwsrLl822y
- SPFv=spf1 ip4:12.68.231.210 ip4:12.68.231.211 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- 35l4h2bc4cauipqssl1vfbkp6j
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