`asv.cz`

DNSSEC	🔒 Signed (DS record present)
A	31.30.91.98^{🇨🇿 VODAFONE-CZ-AS31.30.0.0/17 Vodafone Czech Republic a.s.}
		PTR	`x.jhp.cz`
A	91.139.103.250^{🇨🇿 TMOBILE-CZ91.139.0.0/17 T-Mobile Czech Republic 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}
			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	`asv-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
TXT	`MS=ms45106035`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1769071850

`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=1778329036

Same first word

asv.co.uk

asv.su

asv.kr

asv.cl

asv.holdings

asv.co

asv.com.ar

asv.org

asv.cloud

asv.ms

asv.de

asv.ca

asv.vn

asv.no

asv.bayern

asv.ro

asv.gov.ua

asv.at

asv.nl

asv.ag

asv.duckdns.org

asv.edu.ua

asv.hr

asv.be

asv.info

asv.org.ru

asv.koeln

asv.es

asv.one

asv.in.ua

asv.fi

asv.kz

asv.va

asv.management

asv.cz

asv.pl

asv.nu

asv.me

asv.cologne

asv.dk

asv.sg

asv.com

asv.rs

asv.sk

asv.com.vn

asv.email

asv.us

asv.se

asv.ch

asv.cn

asv.ru

asv.pw

asv.net

asv.org.au

asv.lt

asv.global

asv.capital

asv.dev

asv.hu

asv.hk

asv.com.au

Similar names

sav.gov.vn

vsa.net

sva.guide

avs.xyz

sva.photos

vas.ee

avs.me

vsa.dk

vsa.me

avs.cat

sva.international

vas.claims

vsa.cn

avs.gl

sva.company

vsa.de

sva.today

sva.gov.lv

vas.photography

vas.kz

sav.lu

vsa.lv

avs.vn

vas.com.au

sav.kiev.ua

avs.ca

vas.co.zw

sav.org.uk

vsa.at

vsa.org.nz

avs.org.au

vsa.ch

avs.co.il

sav.in

sva.net.in

sva.com

vsa.org.uk

sav.com.tr

vas.com.br

sva.rs

vsa.ie

sva.rentals

vas.com

avs.aero

sav.vc

sav.co.uk

sav.com.sg

vas.ae

vas.travel

avs.com.ua

avs.com.pe

vas.com.tw

sav.sk

sva.graphics

vas.aero

sav.tv

vas.us

vas.media

sav.ca

vas.at

sav.info

sva.edu.eg

sva.org

vsa.te.ua

vas.it

sav.club

avs.su

avs.auto

vas.cz

avs.kz

sva.or.kr

vsa.org

sav.org.au

vsa.ru

sav.kz

vas.co.at

vsa.nl

sva.school

vas.eu

avs.lt

sav.vg

sav.is

sav.org.ar

vsa.io

vas.ventures

avs.com.au

DNS History

11 records (6 active, 5 former)

○NSalfa.ns.active24.cz2015-07-18 → 2017-01-26 · 4 obs

● 2015-07-18 17:44:48
● 2017-01-26 03:54:54
○ 2026-04-29 15:23:40
○ 2026-05-09 12:30:36

○NSbeta.ns.active24.cz2015-07-18 → 2017-01-26 · 4 obs

● 2015-07-18 17:44:48
● 2017-01-26 03:54:54
○ 2026-04-29 15:23:40
○ 2026-05-09 12:30:36

○NSgama.ns.active24.sk2015-07-18 → 2017-01-26 · 4 obs

● 2015-07-18 17:44:48
● 2017-01-26 03:54:54
○ 2026-04-29 15:23:40
○ 2026-05-09 12:30:36

●NSns1.websupport.cz2026-04-29 → 2026-05-09 · 3 obs

○ 2017-01-26 03:54:54
● 2026-04-29 15:23:40
● 2026-05-09 12:30:36

●NSns2.websupport.cz2026-04-29 → 2026-05-09 · 3 obs

○ 2017-01-26 03:54:54
● 2026-04-29 15:23:40
● 2026-05-09 12:30:36

●NSns3.websupport.eu2026-04-29 → 2026-05-09 · 3 obs

○ 2017-01-26 03:54:54
● 2026-04-29 15:23:40
● 2026-05-09 12:30:36

●MXasv-cz.mail.protection.outlook.com2026-04-29 → 2026-05-09 · 3 obs

○ 2017-01-26 03:54:54
● 2026-04-29 15:23:40
● 2026-05-09 12:30:36

○MXm.r.asv.cz2015-07-18 → 2017-01-26 · 4 obs

● 2015-07-18 17:44:48
● 2017-01-26 03:54:54
○ 2026-04-29 15:23:40
○ 2026-05-09 12:30:36

○MXmx.smtp.cz2015-07-18 → 2017-01-26 · 4 obs

● 2015-07-18 17:44:48
● 2017-01-26 03:54:54
○ 2026-04-29 15:23:40
○ 2026-05-09 12:30:36

●A31.30.91.982026-04-29 → 2026-05-09 · 2 obs

● 2026-04-29 15:23:40
● 2026-05-09 12:30:36

●A91.139.103.2502026-04-29 → 2026-05-09 · 2 obs

● 2026-04-29 15:23:40
● 2026-05-09 12:30:36

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:45.10.97.13

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 974ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`31.30.91.98, 91.139.103.250`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	1	`asv-cz.mail.protection.outlook.com (pri:`
TXT	2	`MS=ms45106035, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

asv.cz points to two IP numbers: 31.30.91.98 and 91.139.103.250.

Other host names such as x.jhp.cz, jhp.cz and elmertex.cz share IP numbers with asv.cz.

Name Servers

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

At least part of the name servers for asv.cz are shared with other domains, for instance brestt.cz, hotelrelax.cz, affactory.cz, anyxo.cz and zsimak.com.