rb.systems
Well protected
Cloudflare 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 | opal.ns.cloudflare.com · stanley.ns.cloudflare.com |
| A | 104.21.62.29 |
| A | 172.67.219.29 |
| AAAA | 2606:4700:3030::6815:3e1d |
| AAAA | 2606:4700:3037::ac43:db1d |
| MX | 0 rb-systems.mail.protection.outlook.com |
| TXT | google-site-verification=ostChLhsnz0AexkOppiDW0LYl9LtJmngv5mB57pjvc8 |
| TXT | p0df1u67oq7faqcmgc5ik95og6 |
| TXT | v=spf1 include:spf.protection.outlook.com -all |
| SOA | opal.ns.cloudflare.com dns.cloudflare.com serial 2417291163 |
Certificates
No certificate for this domain has passed through the logs dot.bi follows since it started watching. Older certificates are not back-filled.
Hosting
- IP
- 104.21.62.29
- Network
- AS13335 · CLOUDFLARENET - Cloudflare, Inc., US
- Provider
- Cloudflare
- Country
- US (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
Probing the home page…
Well protected Mail is authenticated and spoofed mail is rejected.
- Provider
- Microsoft 365
- SPF
- present all: fail
- DMARC
- p=reject reports on
- DKIM
- found selector: selector1
Age
- First capture
- looking up…
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-13 · Zone file
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…