Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brenneco.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 03:34:58 UTC · ↺ Refresh
MX Hostnames
- d226609a.ess.barracudanetworks.com
- d226609b.ess.barracudanetworks.com
MX Priorities
- d226609a.ess.barracudanetworks.com: 10
- d226609b.ess.barracudanetworks.com: 20
A / AAAA Records
- 198.134.108.2 ↩ lightning.sfphosting.net
- 2605:fa80::11:0:0:0:2 ↩ lightning.sfphosting.net
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1.wintek.com hostmaster.wintek.com 2017071350 3600 1800 1209600 3600
Primary NS (mname)
ns1.wintek.com
Admin Email (rname)
hostmaster@wintek.com
Serial
2017071350
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.wintek.com
ns2.wintek.com
ns1.wintek.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
✓ 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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