`optokonkable.com`

DNSSEC	🔒 Signed (DS record present)
A	78.156.156.43^{🇨🇿 OptoNet-AS78.156.128.0/19 CZ-OPTONET-20070816}
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	`optokonkable-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms21530462`
TXT	`v=spf1 ip4:78.156.157.158 ip4:78.156.159.71 include:spf.protection.outlook.co...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1753251457

`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=1777624256

Subdomains

www.optokonkable.com

Same first word

optokonkable.com

DNS History

10 records (5 active, 5 former)

○NSalfa.ns.active24.cz2016-12-15 → 2017-10-09 · 4 obs

● 2016-12-15 15:20:30
● 2017-10-09 15:09:16
○ 2026-02-25 15:09:34
○ 2026-05-01 08:59:32

○NSbeta.ns.active24.cz2016-12-15 → 2017-10-09 · 4 obs

● 2016-12-15 15:20:30
● 2017-10-09 15:09:16
○ 2026-02-25 15:09:34
○ 2026-05-01 08:59:32

○NSgama.ns.active24.sk2016-12-15 → 2017-10-09 · 4 obs

● 2016-12-15 15:20:30
● 2017-10-09 15:09:16
○ 2026-02-25 15:09:34
○ 2026-05-01 08:59:32

●NSns1.websupport.cz2026-02-25 → 2026-05-01 · 3 obs

○ 2017-10-09 15:09:16
● 2026-02-25 15:09:34
● 2026-05-01 08:59:32

●NSns2.websupport.cz2026-02-25 → 2026-05-01 · 3 obs

○ 2017-10-09 15:09:16
● 2026-02-25 15:09:34
● 2026-05-01 08:59:32

●NSns3.websupport.eu2026-02-25 → 2026-05-01 · 3 obs

○ 2017-10-09 15:09:16
● 2026-02-25 15:09:34
● 2026-05-01 08:59:32

○MXmail.optokon.com2016-12-15 → 2017-10-09 · 4 obs

● 2016-12-15 15:20:30
● 2017-10-09 15:09:16
○ 2026-02-25 15:09:34
○ 2026-05-01 08:59:32

○MXns2.optonet.cz2016-12-15 → 2017-10-09 · 4 obs

● 2016-12-15 15:20:30
● 2017-10-09 15:09:16
○ 2026-02-25 15:09:34
○ 2026-05-01 08:59:32

●MXoptokonkable-com.mail.protection.outlook.com2026-02-25 → 2026-05-01 · 3 obs

○ 2017-10-09 15:09:16
● 2026-02-25 15:09:34
● 2026-05-01 08:59:32

●A78.156.156.432016-12-15 → 2026-05-01 · 2 obs

● 2016-12-15 15:20:30
● 2026-05-01 08:59:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
optokonkable.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

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 389ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.156.156.43`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	1	`optokonkable-com.mail.protection.outlook`
TXT	2	`MS=ms21530462, v=spf1 ip4:78.156.157.158 ip4:78.156.159`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

optokonkable.com is a parent of www.optokonkable.com.

IP Addresses

optokonkable.com points to a single IP address: 78.156.156.43.

Name Servers

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

At least part of the name servers for optokonkable.com are shared with other domains, for instance kordis.cz, hranol.com, eia-audit.cz, hkrsoft.cz and exotickazahrada.cz.