Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swhc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 19:54:52 UTC · ↺ Refresh
MX Hostnames
- d339723a.ess.barracudanetworks.com
- d339723b.ess.barracudanetworks.com
MX Priorities
- d339723a.ess.barracudanetworks.com: 0
- d339723b.ess.barracudanetworks.com: 0
A / AAAA Records
- 104.21.90.100 (no PTR)
- 172.67.155.146 (no PTR)
- 2606:4700:3035::ac43:9b92 (no PTR)
- 2606:4700:3031::6815:5a64 (no PTR)
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
nitin.ns.cloudflare.com dns.cloudflare.com 2399911807 10000 2400 604800 1800
Primary NS (mname)
nitin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399911807
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vita.ns.cloudflare.com
nitin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:207.38.119.188 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; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- SPFv=spf1 ip4:207.38.119.188 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- 1vjtmu1bube8q58tpslcihpe9g.
- MS=ms78989096
- google-site-verification=GycnBxo4A85q6-3vogi9D2Giw2q5QWPXD6CEeKWfNM4
Full email verification for swhc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits