Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
michels-koeln.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 10:50:50 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.de
- michelskoeln-de01i.mail.protection.outlook.com
MX Priorities
- michelskoeln-de01i.mail.protection.outlook.com: 0
- mx00.ionos.de: 10
A / AAAA Records
- 217.160.0.32 ↩ 217-160-0-32.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2c5
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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
- 212.227.15.41 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
ns1115.ui-dns.biz hostmaster.1und1.de 2017072151 28800 7200 604800 300
Primary NS (mname)
ns1115.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017072151
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1115.ui-dns.com
ns1115.ui-dns.org
ns1115.ui-dns.biz
ns1115.ui-dns.de
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
✓ 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- v=verifydomain MS=9539651
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=U_S99wdZiqF02ticNRR2iu8CHMM4cnJNX48X62GHfKU
- google-site-verification=m0eFK1LVNj3DCB9I_0DycYqd0xMPyfa4tvdAPKepkp0
- MS=ms94387798
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