Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
bitzerus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 06:50:17 UTC · ↺ Refresh
MX Hostnames
- bitzerus-com.mail.protection.outlook.com
MX Priorities
- bitzerus-com.mail.protection.outlook.com: 10
A / AAAA Records
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.lf.net hostmaster.lf.net 2026031003 86400 7200 604800 3600
Primary NS (mname)
dns1.lf.net
Admin Email (rname)
hostmaster@lf.net
Serial
2026031003
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns1.lf.net
dns2.lf.net
dns3.lf.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:162.219.100.19 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
2 records- SPFv=spf1 ip4:162.219.100.19 include:spf.protection.outlook.com -all
- uber-domain-verification=f0c9750d-76af-478f-bf15-82dc165e32c2
Full email verification for bitzerus.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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