Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rushtaxresolution.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 06:58:35 UTC · ↺ Refresh
MX Hostnames
- d227685a.ess.barracudanetworks.com
- d227685b.ess.barracudanetworks.com
MX Priorities
- d227685a.ess.barracudanetworks.com: 10
- d227685b.ess.barracudanetworks.com: 20
A / AAAA Records
- 172.67.221.12 (no PTR)
- 104.21.62.66 (no PTR)
- 2606:4700:3030::6815:3e42 (no PTR)
- 2606:4700:3032::ac43:dd0c (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
aaron.ns.cloudflare.com dns.cloudflare.com 2399823387 10000 2400 604800 1800
Primary NS (mname)
aaron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399823387
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aaron.ns.cloudflare.com
perla.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 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;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms87674605
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
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