Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spark-stl.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:36:06 UTC · ↺ Refresh
MX Hostnames
- d247374b.ess.barracudanetworks.com
- d247374a.ess.barracudanetworks.com
MX Priorities
- d247374a.ess.barracudanetworks.com: 10
- d247374b.ess.barracudanetworks.com: 20
A / AAAA Records
- 75.2.103.146 ↩ a4972715dfa2f21c3.awsglobalaccelerator.com
- 99.83.188.150 ↩ a4972715dfa2f21c3.awsglobalaccelerator.com
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
ns05.gcd-dns.com dns.jomax.net 2025070900 28800 7200 604800 600
Primary NS (mname)
ns05.gcd-dns.com
Admin Email (rname)
dns@jomax.net
Serial
2025070900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns06.gcd-dns.com
ns05.gcd-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
4 records- knowbe4-site-verification=e88ac0b85803d260c4688498590883b1
- j7iku4f6jmoa4c1hvpsludm8qv
- acut5rigap2mpn1ktribv68243
- SPFv=spf1 include:spf.protection.outlook.com -all
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