`webdev.improvisio.cz`

DNSSEC	⚠️ Not signed
A	94.23.169.146^{🇫🇷 OVH94.23.0.0/16 ISP Paris, France}
		PTR	`ip146.ip-94-23-169.eu`

`improvisio.cz`

	DNSSEC	⚠️ Not signed
	A	93.190.48.9^{🇨🇿 WEB4CE93.190.48.0/21 Web4ce, s.r.o.}
	NS	`ns1.web4ce.cz` ⭐
	NS	`ns2.web4ce.cz`
	MX	`mx1.web4ce.cz` ⭐
	MX	`mx2.web4ce.cz` ⭐
	MX	`mx3.web4ce.cz`⁽¹⁰⁰⁰⁾
	TXT	`v=spf1 +mx a a:monitoring.improvisio.cz a:edmonton.improvisio.cz ip4:93.190.4...`
	SOA	`ns1.web4ce.cz`domeny@web4ce.cz 2026-03-11 #5

Same first word

webdev.ws

webdev.la

webdev.hu

webdev.com.vn

webdev.gr

webdev.life

webdev.io

webdev.jp.net

webdev.com

webdev.lt

webdev.expert

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webdev.us

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webdev.kz

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webdev.zone

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webdev.info

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webdev.co.zw

webdev.academy

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Similar names

devweb.us

webved.com

devweb.dk

devweb.net

devweb.eu

edvweb.com

devweb.at

devweb.ru

devweb.de

devweb.ca

devweb.com

devweb.cz

devweb.co.uk

devweb.me

devweb.es

webedv.com

devweb.co

devweb.ir

devweb.co.za

devweb.nl

devweb.site

devweb.gr

edvweb.de

vedbew.com

webedv.de

devweb.ws

devweb.pro

devweb.be

devweb.in

DNS History

1 record (1 active, 0 former)

●A94.23.169.1462015-07-06 → 2026-03-25 · 2 obs

● 2015-07-06 22:00:40
● 2026-03-25 02:59:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
improvisio.cz	ns1.web4ce.cz, ns2.web4ce.cz	2 records

✅ Authoritative Response

Server:93.190.49.250

NS records: ns1.web4ce.cz, ns2.web4ce.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for improvisio.cz (unsigned zone)

⏱️ Timing

Total: 809ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.23.169.146`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.web4ce.cz, ns2.web4ce.cz)

Analysis

IP Addresses

webdev.improvisio.cz points to a single IP number: 94.23.169.146.

Other host names, for instance sharelook.ch, www.sharelook.ch, ip146.ip-94-23-169.eu, *.sharelook.ch and mail.sharelook.ch share IP numbers with webdev.improvisio.cz.

webdev.improvisio.cz - robtex.com