rn.de
SPF only
netcup Microsoft 365
DNS, hosting, email and name analysis are live. Registration data, the home-page probe, the archive lookup and the other-TLD check are being fetched in the background; this page refreshes itself in a few seconds.
Registration
Fetching the registry record…
DNS
| Type | Value |
|---|---|
| NS | ns81.domaincontrol.com · ns82.domaincontrol.com |
| A | 91.204.44.34 |
| AAAA | 2a03:4000:20:224::1 |
| MX | 100 rn-de.mail.protection.outlook.com |
| TXT | MS=ms44278874 |
| TXT | v=spf1 include:spf.protection.outlook.com -all |
| TXT | L0qKw2WBWGJAMGVFek9eGMRUrbcMx28gFQxPIzWkMxK1RJYniL5VkFjyKCxLJMKLcl/aFxiUf+S80qDLPpiNTA== |
| TXT | MPZDEpphY01SQZNWwmtq32NLZgabXG5q2iFRzU1zFwONh4Q2AwIC3KB+wkTe88Oe1Sz+Bn3+9ZiL7zGzWltxuQ== |
| SOA | ns81.domaincontrol.com dns.jomax.net serial 2025042801 |
Certificates
- First certificate seen
- 2026-10-13 21:48 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 21:48 UTC
- Certificates observed
- 3
- Issuers
- Google Trust Services
Hosting
- IP
- 91.204.44.34
- Network
- AS197540 · netcup-AS - netcup GmbH, DE
- Provider
- netcup
- Country
- DE (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
Probing the home page…
SPF only SPF is published but there is no DMARC policy.
- Provider
- Microsoft 365
- SPF
- present all: fail
- DMARC
- missing
- DKIM
- found selector: selector1
Age
- First capture
- looking up…
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-13 · Certificate Transparency
Name analysis
- Words
- no dictionary word
- Length
- 2 characters
- Digits · hyphens
- none · none
- Readability
- low
- Brandability
- 50 / 100 heuristic
Same name, other TLDs
Checking the same name on other TLDs…
History observed by dot.bi
First observed by dot.bi · source: ct