Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cluster-lifescience.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 06:55:03 UTC · ↺ Refresh
MX Hostnames
- clusterlifescience-de01i.mail.protection.outlook.com
MX Priorities
- clusterlifescience-de01i.mail.protection.outlook.com: 0
A / AAAA Records
- 81.88.34.109 ↩ host335.alfahosting-server.de
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster\@alfahosting.de 2026030603 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster\@alfahosting@de
Serial
2026030603
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
cns1.alfahosting.info
cns3.alfahosting.info
cns2.alfahosting.info
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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms33134669
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for cluster-lifescience.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits