Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bierbaumundkollegen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:34:17 UTC · ↺ Refresh
MX Hostnames
- bierbaumundkollegen-de.mail.protection.outlook.com
MX Priorities
- bierbaumundkollegen-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.243.134.72 ↩ r29633.agenturserver.it
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2026020101 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns09.domaincontrol.com
ns10.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:80.237.130.0/24 ip6:2a01:488:42::/48 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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: 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
5 records- facebook-domain-verification=nz0rzkw3jruc1rfffovazggysk0iny
- google-site-verification=xMwzWVSD_k1ZeZyMYXS5e7wxdQ7R811IeBVdovAbRLs
- SPFv=spf1 a mx ip4:80.237.130.0/24 ip6:2a01:488:42::/48 include:spf.protection.outlook.com -all
- pvl46c77jmekogts2m39kt8qi9
- MS=ms47364795
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