Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caritas-koeln.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:25:52 UTC · ↺ Refresh
MX Hostnames
- caritaskoeln-de01i.mail.protection.outlook.com
MX Priorities
- caritaskoeln-de01i.mail.protection.outlook.com: 10
A / AAAA Records
- 208.82.73.21 ↩ erz-live.dns.boreus.de
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
shades11.rzone.de hostmaster.strato-rz.de 2020051664 86400 7200 604800 300
Primary NS (mname)
shades11.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051664
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades11.rzone.de
docks05.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:94.16.17.195 ip4:94.16.17.193 ip4:89.1.76.198 include:spf.protection.outlook.com include:spf.de.umantis.com include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- swisssign-check=vp3FTN172699U9EEr2SIzLR62fE
- SPFv=spf1 mx ip4:94.16.17.195 ip4:94.16.17.193 ip4:89.1.76.198 include:spf.protection.outlook.com include:spf.de.umantis.com include:_spf_eucentral1.prod.hydra.sophos.com -all
- VMNM5H1B1A90F2QSF3H1JC8NFJ
- MS=ms95129682
- yKFgmeD9UDOCgpYB3n8RuI0j0JLQQf8d1DJPcoGi/+kCBnqbgwsSrWjbZzaHBKUMTNNrr5Vr/HKD7GABbKMopQ==
- teamviewer-sso-verification=fb96e6be29774d4191935c12298b9e8b
- protonmail-verification=3de5ea1f778b3f4899192da99fdba859e4bf5eba
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