`herc.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.165^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
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	`mx10.active24.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:85^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		A	45.13.137.85^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.active24.cz`
MX	`mx20.active24.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:86^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		A	45.13.137.86^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx20.active24.cz`
TXT	`v=spf1 a mx include:_spf.m1.websupport.sk ?all`
TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1707717471

`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=1784332040

Same first word

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herc.cz

herc.hr

herc.equipment

herc.de

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herc.com

herc.online

herc.gov.in

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herc.rentals

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Similar names

hrec.com.cn

echr.app

echr.co.uk

ehrc.org.uk

ehrc.kz

cher.at

ecrh.org

hrec.ws

rehc.pt

ecrh.co.uk

erhc.in

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rhce.co.za

rech.eu

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rech.cn

chre.org.cn

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ehrc.net

ehrc.org

chre.net

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cehr.org.cn

cehr.com

rech.co.uk

rche.org

cher.cci.fr

cher.dk

rhce.cn

hrce.org.in

erch.at

echr.fr

creh.org.uk

erch.co.za

cher.work

rehc.com

cher.ms

hrec.de

echr.com.ua

cher.com.ar

rech.de

rhce.us

echr.name

crhe.nl

rech.org

cher.one

crhe.tempurl.host

hcer.org

rhce.org

cher.cz

hrec.mobi

hrec.coop

cehr.net

cher.com.au

rhce.ru

echr.de

erch.co

rech.at

hcer.com

chre.es

ehrc.ca

crhe.org.uk

ecrh.fr

cerh.org

ehrc.hk

hrec.vn

hrec.com

hcre.nl

hcre.com.au

creh.com

echr.org

ehrc.cn

chre.org.uk

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rehc.net

cher.com.mx

hrce.in

hcer.pt

cher.ru

rech.be

cher.net.au

creh.com.hk

creh.net

cher.cn

cehr.de

rhce.co.kr

cher.pl

DNS History

16 records (7 active, 9 former)

○NSalfa.ns.active24.cz2015-07-19 → 2020-02-22 · 4 obs

● 2015-07-19 02:30:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

○NSbeta.ns.active24.cz2015-07-19 → 2020-02-22 · 4 obs

● 2015-07-19 02:30:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

○NSgama.ns.active24.sk2015-07-19 → 2020-02-22 · 4 obs

● 2015-07-19 02:30:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

●NSns1.websupport.cz2026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

●NSns2.websupport.cz2026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

●NSns3.websupport.eu2026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

○MXin.smtp.cz2015-07-19 → 2017-01-02 · 4 obs

● 2015-07-19 02:30:04
● 2017-01-02 00:48:04
○ 2020-02-22 02:21:28
○ 2026-07-18 00:29:48

○MXmx.smtp.cz2015-07-19 → 2017-01-02 · 4 obs

● 2015-07-19 02:30:04
● 2017-01-02 00:48:04
○ 2020-02-22 02:21:28
○ 2026-07-18 00:29:48

○MXmx1.active24.com2020-02-22 → 2020-02-22 · 4 obs

○ 2017-01-02 00:48:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

●MXmx10.active24.cz2026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

○MXmx2.active24.com2020-02-22 → 2020-02-22 · 4 obs

○ 2017-01-02 00:48:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

●MXmx20.active24.cz2026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

●A2a00:4b40:aaaa:2005::62026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

○A2a02:4a8:ac24:108::96:1602015-07-19 → 2020-02-22 · 4 obs

● 2015-07-19 02:30:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

●A37.9.175.1652026-06-13 → 2026-07-18 · 3 obs

○ 2020-02-22 02:21:28
● 2026-06-13 06:15:34
● 2026-07-18 00:29:48

○A81.95.96.1602015-07-19 → 2020-02-22 · 4 obs

● 2015-07-19 02:30:04
● 2020-02-22 02:21:28
○ 2026-06-13 06:15:34
○ 2026-07-18 00:29:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz	-
herc.cz	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: 944ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.165`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100)`
TXT	2	`v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

herc.cz points to the IP addresses 37.9.175.165 and 2a00:4b40:aaaa:2005::6

Among the host names that share IP numbers with herc.cz are antispam.etragroup.com, www.lepsimisto.cz, bittech.info and two others.

Name Servers

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

There is at least partial name server overlap between herc.cz and other domains — havos.cz, mpolna.cz, wocsom.eu and two more among them.

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 herc.cz point to two mail servers: mx10.active24.cz and mx20.active24.cz.

herc.cz has the same mail server arrangement as a number of other domains, for example autoaz.cz, elixirakademie.cz, cz-parts.de and two more.

mx10.active24.cz and mx20.active24.cz each resolve to two IP addresses: mx10.active24.cz points to 45.13.137.85 and 2a00:4b40:aaaa:2101:45:13:137:85, while mx20.active24.cz points to 45.13.137.86 and 2a00:4b40:aaaa:2101:45:13:137:86.

herc.cz - robtex.com

herc.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`herc.cz`

`cz`