Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bitzermexico.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 08:22:03 UTC · ↺ Refresh
MX Hostnames
- d105924a.ess.barracudanetworks.com
- d105924b.ess.barracudanetworks.com
MX Priorities
- d105924a.ess.barracudanetworks.com: 10
- d105924b.ess.barracudanetworks.com: 20
A / AAAA Records
- 213.178.171.56 ↩ vserv01.bitzer.de
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1.lf.net hostmaster.lf.net 2026031001 86400 7200 604800 3600
Primary NS (mname)
dns1.lf.net
Admin Email (rname)
hostmaster@lf.net
Serial
2026031001
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.lf.net
dns1.lf.net
dns3.lf.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.139.213.232 ip4:187.188.138.120 include:barracudanetworks.com include:outbound.birddogsw.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 ip4:216.139.213.232 ip4:187.188.138.120 include:barracudanetworks.com include:outbound.birddogsw.com include:spf.protection.outlook.com -all
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