178.238.43.200
An address in Prague, Czechia, used by Darkmay s.r.o., announced by MasterDC s.r.o. (AS24971). It's hosting space of MasterDC, a mail server on port 587, and a web server on ports 80 and 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Prague
- Region
- Prague
- Postal code
- 110 00
- Country
- Czechia
- Continent
- Europe
- Coordinates
- 50.0880, 14.4208
- Timezone
- Europe/Prague
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Darkmay s.r.o.
- Domain
- darkmay.cz
- Type
- Business
- Registered in
- Czechia
- Name
- Darkmay s.r.o.
- Network name
- DARKMAY-FIDRANSKY-1-CZ-MAI
- Organization
- ORG-DS529-RIPE
- Status
- ASSIGNED PA
- Registry
- RIPE NCC
- Domain
- darkmay.cz
- Name
- Darkmay Contact
- Address
- Darkmay s.r.o., Janka Krala 739, Senica, SK
- Network
- 178.238.43.192-178.238.43.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 587
- Banner
- 220 mail.cesys.eu ESMTP Postfix
- Greeting
- Completed
- First seen
- 2026-10-15
- Last seen
- 2026-10-15
- 80 status
- 301
- 80 redirect
- https://178.238.43.200/
- 80 server
- nginx
- 80 title
- 301 Moved Permanently
- 80 seen
- 2026-10-17 to 2026-10-17
- 443 status
- 200
- 443 server
- nginx
- 443 title
- webmail.cesys.eu :: Welcome to webmail.cesys.eu
- 443 TLS
- TLSv1.3
- 443 certificate
- webmail.cesys.eu
- 443 issuer
- C=US, O=Let's Encrypt, CN=YR2
- 443 browser-trusted
- Yes
- 443 seen
- 2026-10-16 to 2026-10-21
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