developtech.cz - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developtech.cz`

DNSSEC	🔒 Signed (DS record present)
A	46.28.105.77^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
		PTR	`hc1-wd229.wedos.net`
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.developtech.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:114^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u7-mx.websupport.hu`
		A	45.13.137.103^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u5-mx.websupport.cz`
MX	`mailin2.developtech.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:103^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u5-mx.websupport.cz`
		A	45.13.137.113^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.hu`
TXT	`v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk include:_spf.we...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1785841502

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1787836647

Subdomains

mailin1.developtech.cz

mailin2.developtech.cz

www.developtech.cz

Same first word

developtech.in

developtech.info

developtech.cz

developtech.com

developtech.net

developtech.ru

developtech.xyz

developtech.com.au

Similar names

techdevelop.com

techdevelop.net

Previous names

Next names

developtic.cz

developtik.cz

developtrend.cz

develor.cz

develox.cz

devels-dev.cz

devels.cz

deven.cz

devenio.cz

devepoint.cz

devepro.cz

devera.cz

deveraux.cz

devere-prague.cz

devere.cz

devereuxarchitects.cz

devergo.cz

deverka.cz

deverova.cz

deverp.cz

DNS History

14 records (6 active, 8 former)

○NSalfa.ns.active24.cz2015-06-19 → 2017-04-03 · 4 obs

● 2015-06-19 20:00:22
● 2017-04-03 17:38:46
○ 2026-08-23 11:21:32
○ 2026-08-27 13:33:50

○NSbeta.ns.active24.cz2015-06-19 → 2017-04-03 · 4 obs

● 2015-06-19 20:00:22
● 2017-04-03 17:38:46
○ 2026-08-23 11:21:32
○ 2026-08-27 13:33:50

○NSgama.ns.active24.sk2015-06-19 → 2017-04-03 · 4 obs

● 2015-06-19 20:00:22
● 2017-04-03 17:38:46
○ 2026-08-23 11:21:32
○ 2026-08-27 13:33:50

●NSns1.websupport.cz2026-08-23 → 2026-08-27 · 3 obs

○ 2017-04-03 17:38:46
● 2026-08-23 11:21:32
● 2026-08-27 13:33:50

●NSns2.websupport.cz2026-08-23 → 2026-08-27 · 3 obs

○ 2017-04-03 17:38:46
● 2026-08-23 11:21:32
● 2026-08-27 13:33:50

●NSns3.websupport.eu2026-08-23 → 2026-08-27 · 3 obs

○ 2017-04-03 17:38:46
● 2026-08-23 11:21:32
● 2026-08-27 13:33:50

○MXin.smtp.cz2015-06-19 → 2016-09-08 · 4 obs

● 2015-06-19 20:00:22
● 2016-09-08 09:14:52
○ 2017-04-03 17:38:46
○ 2026-08-27 13:33:50

●MXmailin1.developtech.cz2026-08-23 → 2026-08-27 · 3 obs

○ 2017-04-03 17:38:46
● 2026-08-23 11:21:32
● 2026-08-27 13:33:50

●MXmailin2.developtech.cz2026-08-23 → 2026-08-27 · 3 obs

○ 2017-04-03 17:38:46
● 2026-08-23 11:21:32
● 2026-08-27 13:33:50

○MXmx.smtp.cz2015-06-19 → 2016-09-08 · 4 obs

● 2015-06-19 20:00:22
● 2016-09-08 09:14:52
○ 2017-04-03 17:38:46
○ 2026-08-27 13:33:50

○MXmx1.active24.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-08 09:14:52
● 2017-04-03 17:38:46
○ 2026-08-23 11:21:32
○ 2026-08-27 13:33:50

○MXmx2.active24.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-08 09:14:52
● 2017-04-03 17:38:46
○ 2026-08-23 11:21:32
○ 2026-08-27 13:33:50

●A46.28.105.772026-08-23 → 2026-08-27 · 3 obs

○ 2017-04-03 17:38:46
● 2026-08-23 11:21:32
● 2026-08-27 13:33:50

○A81.0.208.1192015-06-19 → 2017-04-03 · 4 obs

● 2015-06-19 20:00:22
● 2017-04-03 17:38:46
○ 2026-08-23 11:21:32
○ 2026-08-27 13:33:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	8 records
developtech.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1044ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.28.105.77`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.developtech.cz (pri: 10), mailin2.developtech.cz (pri: 100)`
TXT	1	`v=spf1 include:spf.active24.com include:`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)

Analysis

Hierarchy

developtech.cz is the parent domain of mailin1.developtech.cz, mailin2.developtech.cz and www.developtech.cz.

IP Addresses

developtech.cz resolves to one IP address: 46.28.105.77.

mapp.cz, kdovolal.cz, musicdata.sk and two other host names share IP numbers with developtech.cz.

Name Servers

Three name servers are authoritative for developtech.cz: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

developtech.cz shares at least some of its name servers with other domains, including smutecnioznameni.eu, typl.cz, cleans.cz and two others.

ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.

Mail Servers

Mail for developtech.cz is handled by two mail servers — mailin1.developtech.cz and mailin2.developtech.cz.

Each of the two host names carries two IP addresses: mailin1.developtech.cz points to 45.13.137.103 and 2a00:4b40:aaaa:2101:45:13:137:114, and mailin2.developtech.cz points to 45.13.137.113 and 2a00:4b40:aaaa:2101:45:13:137:103.