webdevelopers.cz - dns.ninja

`webdevelopers.cz`

DNSSEC	🔒 Signed (DS record present)
A	188.245.216.198^{🇩🇪 Hetzner188.245.0.0/16 HETZNER-DC}
		PTR	`s1.zolinga.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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`v=spf1 a mx include:_spf.zolinga.net include:_spf.google.com include:spf.sezn...`
SOA	`ns1.websupport.cz`admin@websupport.sk serial=1736171106

`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=1785583041

Subdomains

www.webdevelopers.cz

Same first word

Similar names

developersweb.com

websdeveloper.com

DNS History

14 records (7 active, 7 former)

○NSalfa.ns.active24.cz2015-06-13 → 2020-03-28 · 4 obs

● 2015-06-13 01:47:10
● 2020-03-28 01:55:10
○ 2026-07-15 21:51:20
○ 2026-08-01 11:20:26

○NSbeta.ns.active24.cz2015-06-13 → 2020-03-28 · 4 obs

● 2015-06-13 01:47:10
● 2020-03-28 01:55:10
○ 2026-07-15 21:51:20
○ 2026-08-01 11:20:26

○NSgama.ns.active24.sk2015-06-13 → 2020-03-28 · 4 obs

● 2015-06-13 01:47:10
● 2020-03-28 01:55:10
○ 2026-07-15 21:51:20
○ 2026-08-01 11:20:26

○NSns.dns4.cz2015-06-13 → 2020-03-28 · 4 obs

● 2015-06-13 01:47:10
● 2020-03-28 01:55:10
○ 2026-07-15 21:51:20
○ 2026-08-01 11:20:26

●NSns1.websupport.cz2026-07-15 → 2026-08-01 · 3 obs

○ 2020-03-28 01:55:10
● 2026-07-15 21:51:20
● 2026-08-01 11:20:26

●NSns2.websupport.cz2026-07-15 → 2026-08-01 · 3 obs

○ 2020-03-28 01:55:10
● 2026-07-15 21:51:20
● 2026-08-01 11:20:26

●NSns3.websupport.eu2026-07-15 → 2026-08-01 · 3 obs

○ 2020-03-28 01:55:10
● 2026-07-15 21:51:20
● 2026-08-01 11:20:26

●MXalt1.aspmx.l.google.com2015-06-13 → 2026-08-01 · 2 obs

● 2015-06-13 01:47:10
● 2026-08-01 11:20:26

●MXalt2.aspmx.l.google.com2015-06-13 → 2026-08-01 · 2 obs

● 2015-06-13 01:47:10
● 2026-08-01 11:20:26

●MXaspmx.l.google.com2015-06-13 → 2026-08-01 · 2 obs

● 2015-06-13 01:47:10
● 2026-08-01 11:20:26

●A188.245.216.1982026-07-15 → 2026-08-01 · 3 obs

○ 2020-03-28 01:55:10
● 2026-07-15 21:51:20
● 2026-08-01 11:20:26

○A217.11.236.1682020-03-28 → 2020-03-28 · 4 obs

○ 2017-03-19 03:55:28
● 2020-03-28 01:55:10
○ 2026-07-15 21:51:20
○ 2026-08-01 11:20:26

○A82.142.91.102015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 01:47:10
○ 2015-10-27 09:42:18
○ 2026-08-01 11:20:26

○A82.142.91.122015-10-27 → 2017-03-19 · 5 obs

○ 2015-06-13 01:47:10
● 2015-10-27 09:42:18
● 2017-03-19 03:55:28
○ 2020-03-28 01:55:10
○ 2026-08-01 11:20:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.71.159.12

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1067ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.245.216.198`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	3	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	1	`v=spf1 a mx include:_spf.zolinga.net inc`
SOA	1	`ns1.websupport.cz admin.websupport.sk`

Analysis

Hierarchy

The domain www.webdevelopers.cz falls under the parent webdevelopers.cz.

IP Addresses

webdevelopers.cz resolves to just one IP address, 188.245.216.198.

Two other host names, along with mail.city-of-prague.eu, gofitness.cz and aerospinning.cz, also share IP numbers with webdevelopers.cz.

Name Servers

webdevelopers.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

At least some of webdevelopers.cz's name servers are shared with other domains, for example flema.sk, jersey.at, ducotra.nl and two more.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each resolve to two IP addresses: 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.

Mail Servers

The MX records for webdevelopers.cz list three mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

There is at least a partial MX overlap between webdevelopers.cz and other domains, including keeping.nl, pfenagri.cl, beidc.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com each resolve to two IP addresses: aspmx.l.google.com resolves to 142.251.16.27 and 2607:f8b0:4004:c19::1a; alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b; alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.