`u42.cn`

DNSSEC	⚠️ Not signed
NS	`dns17.hichina.com` ⭐
		A	2408:4009:501::25^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.110^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns18.hichina.com`
		A	2408:4009:501::26^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.108^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034701025

Same first word

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u42.at

u42.io

u42.cn

u42.org

u42.ca

u42.ru

u42.de

u42.eu

Similar names

4u2.pl

2u4.ca

4u2.cz

24u.dk

24u.de

4u2.co.uk

u24.com

u24.gov.ua

4u2.biz

2u4.me

24u.co.uk

42u.ca

u24.ee

4u2.de

4u2.com

u24.it

u24.at

u24.ch

u24.es

2u4.com

24u.app

4u2.ru

4u2.nu

24u.me

4u2.mobi

u24.me

24u.eu

u24.media

42u.nl

4u2.se

24u.org

u24.info

u24.ovh

2u4.us

4u2.info

u24.ru

u24.ir

24u.com.ua

42u.ru

42u.dk

24u.at

u24.mobi

4u2.store

4u2.it

u24.ua

2u4.com.cn

4u2.me

u24.su

u24.net

24u.jp

24u.cz

24u.net

4u2.in

u24.cz

2u4.cn

4u2.co.il

42u.se

24u.co

4u2.net

u24.news

4u2.ch

4u2.hk

u24.org

42u.host

2u4.top

4u2.cc

u24.nl

42u.in

u24.cn

u24.pl

42u.com

42u.it

u24.services

42u.de

24u.pl

24u.it

4u2.org

2u4.de

42u.pl

4u2.co.za

24u.name

u24.us

4u2.fr

24u.nl

24u.be

2u4.net

DNS History

4 records (2 active, 2 former)

○NSdns1.everdns.com2015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 19:43:30
○ 2026-04-10 22:31:28
○ 2026-04-23 02:06:32

●NSdns17.hichina.com2026-04-10 → 2026-04-23 · 3 obs

○ 2015-07-15 19:43:30
● 2026-04-10 22:31:28
● 2026-04-23 02:06:32

●NSdns18.hichina.com2026-04-10 → 2026-04-23 · 3 obs

○ 2015-07-15 19:43:30
● 2026-04-10 22:31:28
● 2026-04-23 02:06:32

○NSdns2.everdns.com2015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 19:43:30
○ 2026-04-10 22:31:28
○ 2026-04-23 02:06:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn...	-
u42.cn	dns17.hichina.com, dns18.hichina.com	-

✅ Authoritative Response

Server:39.96.153.38

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u42.cn (unsigned zone)

⏱️ Timing

Total: 1889ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns17.hichina.com, dns18.hichina.com`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

u42.cn has two name servers: dns17.hichina.com and dns18.hichina.com.

u42.cn shares the same name server setup as other domains, for example xiaoya.cn, yglk.cn, lzzgscreen.com, jjgto.com and touqingwang.com.

u42.cn shares some name servers with other domains, for instance gogoai.cn, xinghui22.com and greencat.cn.

Host names with nine IP numbers:

dns17.hichina.com points to 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns18.hichina.com points to 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

u42.cn - robtex.com

u42.cn

cn