Domain Overview
DNS: ✓ just now
Checker: ✓ just now
reifen-radermacher.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 22:14:01 UTC · ↺ Refresh
MX Hostnames
- reifenradermacher-de01e.mail.protection.outlook.com
MX Priorities
- reifenradermacher-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 83.137.169.77 ↩ aha-web2.sys.dom.de
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
koelner.dom.de hostmaster.dom.de 2020012200 43200 5400 3600000 86400
Primary NS (mname)
koelner.dom.de
Admin Email (rname)
hostmaster@dom.de
Serial
2020012200
Refresh
43200s
Retry
5400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.as31521.de
ns2.as31521.net
ns3.as31521.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip:85.214.99.99 ip:85.214.107.135 ip:83.137.169.77 -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- SPFv=spf1 include:spf.protection.outlook.com ip:85.214.99.99 ip:85.214.107.135 ip:83.137.169.77 -all
- MS=ms76499089
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