studywiki.ru
Well protected
Cloudflare teachroom.ru
Registration
No RDAP record was returned for this domain. Either the registry publishes no RDAP service for .ru, the domain is not registered, or the registry did not answer in time. dot.bi does not guess: no record means no registration data, not “available”.
DNS
| Type | Value |
|---|---|
| NS | evan.ns.cloudflare.com · mimi.ns.cloudflare.com |
| A | 104.21.13.79 |
| A | 172.67.198.209 |
| AAAA | 2606:4700:3032::6815:d4f |
| AAAA | 2606:4700:3034::ac43:c6d1 |
| MX | 10 mail.teachroom.ru |
| TXT | mailru-verification: d5963b1410243195 |
| TXT | v=spf1 mx -all |
| SOA | evan.ns.cloudflare.com dns.cloudflare.com serial 2417411655 |
Certificates
- First certificate seen
- 2026-10-13 21:25 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 21:25 UTC
- Certificates observed
- 8
- Issuers
- Google Trust Services
Hosting
- IP
- 104.21.13.79
- Network
- AS13335 · CLOUDFLARENET - Cloudflare, Inc., US
- Provider
- Cloudflare
- Country
- US (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
No web data for this domain yet.
Well protected Mail is authenticated and spoofed mail is rejected.
- Provider
- teachroom.ru
- SPF
- present all: fail
- DMARC
- p=reject no reports
- DKIM
- not found common selectors only
Age
- First capture
- —
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-13 · Certificate Transparency
Name analysis
Same name, other TLDs
No check recorded yet.
History observed by dot.bi
First observed by dot.bi · source: ct
First observed by dot.bi · source: ct