`replast-plzen.com`

DNSSEC	⚠️ Not signed
A	81.2.216.67^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
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}
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}
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}
MX	`mail.replast-plzen.com` ⭐
		A	81.2.216.67^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1780992789

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784786567

Subdomains

mail.replast-plzen.com

Same first word

replast-plzen.cz

replast-plzen.com

DNS History

9 records (5 active, 4 former)

○NSalfa.ns.active24.cz2015-08-12 → 2026-05-23 · 4 obs

● 2015-08-12 19:09:04
● 2026-05-23 10:47:04
○ 2026-07-23 06:16:52
○ 2026-07-23 06:16:56

○NSbeta.ns.active24.cz2015-08-12 → 2026-05-23 · 4 obs

● 2015-08-12 19:09:04
● 2026-05-23 10:47:04
○ 2026-07-23 06:16:52
○ 2026-07-23 06:16:56

○NSgama.ns.active24.sk2015-08-12 → 2026-05-23 · 4 obs

● 2015-08-12 19:09:04
● 2026-05-23 10:47:04
○ 2026-07-23 06:16:52
○ 2026-07-23 06:16:56

●NSns1.websupport.cz2026-07-23 → 2026-07-23 · 3 obs

○ 2026-05-23 10:47:04
● 2026-07-23 06:16:52
● 2026-07-23 06:16:56

●NSns2.websupport.cz2026-07-23 → 2026-07-23 · 3 obs

○ 2026-05-23 10:47:04
● 2026-07-23 06:16:52
● 2026-07-23 06:16:56

●NSns3.websupport.eu2026-07-23 → 2026-07-23 · 3 obs

○ 2026-05-23 10:47:04
● 2026-07-23 06:16:52
● 2026-07-23 06:16:56

●MXmail.replast-plzen.com2015-08-12 → 2026-07-23 · 2 obs

● 2015-08-12 19:09:04
● 2026-07-23 06:16:56

○A81.2.197.1802015-08-12 → 2016-04-01 · 4 obs

● 2015-08-12 19:09:04
● 2016-04-01 13:38:44
○ 2016-09-16 11:06:08
○ 2026-07-23 06:16:56

●A81.2.216.672016-09-16 → 2026-07-23 · 3 obs

○ 2016-04-01 13:38:44
● 2016-09-16 11:06:08
● 2026-07-23 06:16:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
replast-plzen.com	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for replast-plzen.com (unsigned zone)

⏱️ Timing

Total: 514ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.2.216.67`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	1	`mail.replast-plzen.com (pri: 10)`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

mail.replast-plzen.com is delegated beneath replast-plzen.com.

IP Addresses

replast-plzen.com points to a single IP number: 81.2.216.67.

Additional host names — shaus.cz, www.otre.cz, mail.tytrika.cz and two others — share IP numbers with replast-plzen.com.

Name Servers

replast-plzen.com carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

There is at least partial name server overlap between replast-plzen.com and other domains — keymed.sk, quicklase.com, huzap.de and two more among them.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

replast-plzen.com has one mail server: mail.replast-plzen.com.

mail.replast-plzen.com carries a single IP number, which is 81.2.216.67.

replast-plzen.com - robtex.com