`centropolenergy.com`

DNSSEC	🔒 Signed (DS record present)
A	2a00:19a0:3:74:0:d9c6:7423:1^{🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET}
		PTR	`jasnet-5.zarea.net`
A	217.198.116.35^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
NS	`ns1.regzone.cz` ⭐
		A	2a00:19a0:3:71:0:d9c6:710a:1^{🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET}
			PTR	`ns1.regzone.cz`
		A	217.198.113.10^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
			PTR	`ns1.regzone.cz`
NS	`ns1.regzone.de`
		A	2600:3c02::f03c:91ff:fedb:a6e7^{🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies}
			PTR	`ns1.regzone.de`
		A	23.92.29.43^{🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies}
			PTR	`ns1.regzone.de`
NS	`ns1.regzone.info`
		A	2001:1528:147::10^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
			PTR	`ns1.regzone.info`
		A	81.0.233.10^{🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT}
			PTR	`ns1.regzone.info`
MX	`relay.zoner.com` ⭐
		A	217.198.120.100^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
			PTR	`relay.zoner.com`
MX	`10mx.zoner.com`⁽¹⁰⁾
		A	217.198.120.36^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
			PTR	`10mx.zoner.com`
MX	`15mx.zoner.com`⁽¹⁵⁾
		A	81.0.233.6^{🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT}
			PTR	`15mx.zoner.com`
SOA	`ns1.regzone.cz`administrator@czechia.cz 2026-06-30 #6

`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=1785561572

Subdomains

cph.centropolenergy.com

Same first word

centropolenergy.com

centropolenergy.biz

centropolenergy.info

centropolenergy.cz

centropolenergy.net

DNS History

13 records (8 active, 5 former)

●NSns1.regzone.cz2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 13:24:10
● 2026-08-01 05:21:12

●NSns1.regzone.de2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 13:24:10
● 2026-08-01 05:21:12

●NSns1.regzone.info2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 13:24:10
● 2026-08-01 05:21:12

●MX10mx.zoner.com2017-03-26 → 2026-08-01 · 3 obs

○ 2016-07-23 08:58:06
● 2017-03-26 10:58:48
● 2026-08-01 05:21:12

●MX15mx.zoner.com2017-03-26 → 2026-08-01 · 3 obs

○ 2016-07-23 08:58:06
● 2017-03-26 10:58:48
● 2026-08-01 05:21:12

○MXbackup.centropolenergy.com2015-07-17 → 2016-07-23 · 4 obs

● 2015-07-17 13:24:10
● 2016-07-23 08:58:06
○ 2017-03-26 10:58:48
○ 2026-08-01 05:21:12

○MXcph.centropolenergy.com2015-07-17 → 2016-07-23 · 4 obs

● 2015-07-17 13:24:10
● 2016-07-23 08:58:06
○ 2017-03-26 10:58:48
○ 2026-08-01 05:21:12

○MXmx10.tetanet.cz2015-07-17 → 2016-07-23 · 4 obs

● 2015-07-17 13:24:10
● 2016-07-23 08:58:06
○ 2017-03-26 10:58:48
○ 2026-08-01 05:21:12

●MXrelay.zoner.com2017-03-26 → 2026-08-01 · 3 obs

○ 2016-07-23 08:58:06
● 2017-03-26 10:58:48
● 2026-08-01 05:21:12

●A217.198.116.352020-02-14 → 2026-08-01 · 3 obs

○ 2017-03-26 10:58:48
● 2020-02-14 22:20:46
● 2026-08-01 05:21:12

○A217.198.116.452017-03-26 → 2017-03-26 · 4 obs

○ 2016-07-23 08:58:06
● 2017-03-26 10:58:48
○ 2020-02-14 22:20:46
○ 2026-08-01 05:21:12

○A217.198.116.652015-07-17 → 2016-07-23 · 4 obs

● 2015-07-17 13:24:10
● 2016-07-23 08:58:06
○ 2017-03-26 10:58:48
○ 2026-08-01 05:21:12

●A2a00:19a0:3:74:0:d9c6:7423:12020-02-14 → 2026-08-01 · 3 obs

○ 2017-03-26 10:58:48
● 2020-02-14 22:20:46
● 2026-08-01 05:21:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
centropolenergy.com	ns1.regzone.info, ns1.regzone.cz, ns1.regzone.de	-

✅ Authoritative Response

Server:217.198.113.10

NS records: ns1.regzone.info, ns1.regzone.cz, ns1.regzone.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 855ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.198.116.35`
AAAA	1	`2a00:19a0:3:74:0:d9c6:7423:1`
NS	3	`ns1.regzone.cz, ns1.regzone.de...`
MX	3	`relay.zoner.com (pri: 1), 10mx.zoner.com (pri: 10)...`
SOA	1	`ns1.regzone.cz administrator.czechia.cz`

Analysis

Hierarchy

The domain cph.centropolenergy.com falls under the parent centropolenergy.com.

IP Addresses

centropolenergy.com has two IP addresses: 217.198.116.35 and 2a00:19a0:3:74:0:d9c6:7423:1

centropolenergy.info, centropol.biz, centropol.net and two other host names share IP numbers with centropolenergy.com.

Name Servers

centropolenergy.com is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

At least some of centropolenergy.com's name servers are shared with other domains, for example studiospirala.cz, ravion.eu, technomedia.sk and two more.

ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info each resolve to two IP addresses: ns1.regzone.cz resolves to 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1; ns1.regzone.de resolves to 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7; ns1.regzone.info resolves to 81.0.233.10 and 2001:1528:147::10.

Mail Servers

The MX records for centropolenergy.com list three mail servers: 10mx.zoner.com, 15mx.zoner.com and relay.zoner.com.

centropolenergy.com has at least partial mail server overlap with other domains such as taznazarizeni.eu, kasphory.cz, jager.cz and two more.

10mx.zoner.com, 15mx.zoner.com and relay.zoner.com each resolve to a single IP address: 10mx.zoner.com resolves to 217.198.120.36, 15mx.zoner.com resolves to 81.0.233.6 and relay.zoner.com resolves to 217.198.120.100.

centropolenergy.com - robtex.com