studuj.net
Monitoring only
MasterDC s.r.o chl.sk
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 | ns1.chl.sk · ns2.chl.cz · ns3.chl.hu |
| A | 195.140.254.57 |
| AAAA | 2a01:430:d::2cc:ceff:fe3c:b499 |
| MX | 10 mx1.chl.sk |
| MX | 20 mx2.chl.cz |
| MX | 30 mx3.chl.cz |
| TXT | v=spf1 include:_spf.chl.cz include:_spfv6.chl.cz ~all |
| SOA | ns1.chl.sk hostmaster.chl.cz serial 2026101307 |
Certificates
- First certificate seen
- 2026-10-13 21:36 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 21:40 UTC
- Certificates observed
- 16
- Issuers
- ZeroSSL GmbH
Hosting
- IP
- 195.140.254.57
- Network
- AS24971 · MASTER-AS - MasterDC s.r.o., CZ
- Provider
- MasterDC s.r.o
- Country
- CZ (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
Probing the home page…
Monitoring only DMARC is set to p=none: spoofed mail is reported but still delivered.
- Provider
- chl.sk
- SPF
- present all: softfail
- DMARC
- p=none reports on
- DKIM
- not found common selectors only
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
- 6 characters
- Digits · hyphens
- none · none
- Readability
- high
- Brandability
- 85 / 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