Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biomex.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 17:37:39 UTC · ↺ Refresh
MX Hostnames
- biomex-de.mail.protection.outlook.com
MX Priorities
- biomex-de.mail.protection.outlook.com: 20
A / AAAA Records
- 209.250.236.239 ↩ vm7.ultrabold.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
docks06.rzone.de hostmaster.strato-rz.de 2020050940 86400 7200 604800 300
Primary NS (mname)
docks06.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050940
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks06.rzone.de
shades01.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:91.25.103.58 ip4:217.71.101.18 ip4:52.157.149.216 include:spf.protection.outlook.com include:spf.crsend.com include:agenturserver.de include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=0:1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
8 records- brevo-code:a439b45e085a66d02b380bb5ce94186e
- apple-domain-verification=amz22CgdzjYdvmqg
- google-site-verification=fC10sKL228d7nCFHigxFDXyZVrHG-bQNQ1jiUo7db_g
- 147286499.spf07.hubspotemail.net
- google-site-verification=-W94G13CefRDyC3Cc8QqgNGpZMirVMAZCOzXVCp0CDY
- sending_domain1097822=ba0e0ff0a8d6c22f59bce23d0b4be0a0e3632cfd5f273a000faa62c2d072ddd4
- openai-domain-verification=dv-vtFY7kejVLv90sl9v4k2f34V
- SPFv=spf1 a mx ip4:91.25.103.58 ip4:217.71.101.18 ip4:52.157.149.216 include:spf.protection.outlook.com include:spf.crsend.com include:agenturserver.de include:_spf.salesforce.com -all
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