Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sweatboxdc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 01:16:30 UTC · ↺ Refresh
MX Hostnames
- d87069b.ess.barracudanetworks.com
- d87069a.ess.barracudanetworks.com
MX Priorities
- d87069b.ess.barracudanetworks.com: 0
- d87069a.ess.barracudanetworks.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
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
ns31.worldnic.com namehost.worldnic.com 125112511 10800 3600 604800 3600
Primary NS (mname)
ns31.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125112511
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns32.worldnic.com
ns31.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mailgun.org -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
3 records- MS=ms86867284
- MFeBlMOROZkr1otGpnMFAk28VULsyTLA7gh9fukv2f47+ic6YE0oQxshEOZaLyMc/u1J+EHYMYBXvn9BLVVNMw==
- SPFv=spf1 mx a include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mailgun.org -all
Full email verification for sweatboxdc.com
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