Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sbwelldrilling.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 01:22:42 UTC · ↺ Refresh
MX Hostnames
- d107963b.ess.barracudanetworks.com
- d107963a.ess.barracudanetworks.com
MX Priorities
- d107963b.ess.barracudanetworks.com: 1
- d107963a.ess.barracudanetworks.com: 0
A / AAAA Records
- 35.193.41.128 ↩ 128.41.193.35.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
pdns1.registrar-servers.com hostmaster.registrar-servers.com 1774238072 43200 3600 604800 3601
Primary NS (mname)
pdns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1774238072
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
pdns2.registrar-servers.com
pdns1.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
Full email verification for sbwelldrilling.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits