Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caritas-oberhausen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 09:19:29 UTC · ↺ Refresh
MX Hostnames
- caritasoberhausen-de01i.mail.protection.outlook.com
MX Priorities
- caritasoberhausen-de01i.mail.protection.outlook.com: 20
A / AAAA Records
- 80.72.140.180 (no PTR)
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
docks03.rzone.de hostmaster.strato-rz.de 2020051612 86400 7200 604800 300
Primary NS (mname)
docks03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051612
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks03.rzone.de
shades01.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
6 records- google-site-verification=UnbmtzJiy0CFbvM9Ww8Ef0_vowhCdCwYl35WdzFL7Yc
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms99016095
- google-site-verification=3V-LZhfGdXg3l8_jaUlYEqGmPveM0GNgLJy0zndZ8fE
- brevo-code:d930638a0b5730f2e3c5f02530fc1dc0
- swisssign-check=30otbADKBJHPbNHcXL5GdMaD1lQ
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