zstudio.com
SPF only
MasterDC s.r.o 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 | ns.web4u.cz · ns2.web4u.cz |
| A | 83.167.244.201 |
| A | 83.167.244.202 |
| AAAA | 2a01:430:53::8300:201 |
| AAAA | 2a01:430:53::8300:202 |
| MX | 0 zstudio-com.mail.protection.outlook.com |
| TXT | MS=ms62877221 |
| TXT | v=spf1 include:spf.protection.outlook.com -all |
| SOA | ns.web4u.cz admin.web4u.cz serial 2019072801 |
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
- 83.167.244.201
- 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…
SPF only SPF is published but there is no DMARC policy.
- Provider
- Microsoft 365
- SPF
- present all: fail
- DMARC
- missing
- DKIM
- not found common selectors only
Age
- First capture
- looking up…
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-15 · Visitor lookup
Name analysis
- Words
- no dictionary word
- Length
- 7 characters
- Digits · hyphens
- none · none
- Readability
- high
- Brandability
- 75 / 100 heuristic
Same name, other TLDs
Checking the same name on other TLDs…
History observed by dot.bi
First observed by dot.bi · source: lookup