`2o.hk`

DNSSEC	⚠️ Not signed
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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,}
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-02-13 #20

`hk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns3.hkirc.net.hk` ⭐
	NS	`c.hkirc.net.hk`
	NS	`d.hkirc.net.hk`
	NS	`m.hkirc.net.hk`
	NS	`t.hkirc.net.hk`
	NS	`u.hkirc.net.hk`
	NS	`v.hkirc.net.hk`
	NS	`x.hkirc.net.hk`
	NS	`y.hkirc.net.hk`
	NS	`z.hkirc.net.hk`
	SOA	`ns3.hkirc.net.hk`hostmaster@hkirc.net.hk serial=2074911799

Same first word

2o.pl

2o.org

2o.cz

2o.be

2o.ca

2o.com

2o.cn

2o.fr

2o.cc

2o.net

2o.at

2o.si

2o.co

2o.cx

2o.de

2o.hu

2o.no

2o.cl

2o.nl

2o.dk

2o.hk

2o.house

Similar names

o2.kg

o2.pro

o2.org

o2.com.pl

o2.ca

o2.nu

o2.to

o2.academy

o2.ae

o2.click

o2.events

o2.hu

o2.com.py

o2.pl

o2.ie

o2.net

o2.ma

o2.lol

o2.capital

o2.hr

o2.app

o2.com.hk

o2.eu

o2.tv

o2.net.pl

o2.uk

o2.team

o2.cc

o2.co.za

o2.se

o2.net.kg

o2.ee

o2.fitness

o2.guru

o2.cz

o2.edu.vn

o2.ag

o2.fr

o2.co.kr

o2.rs

o2.net.br

o2.dev

o2.art.br

o2.net.ru

o2.ru

o2.co

o2.kiev.ua

o2.si

o2.sg

o2.business

o2.com.mx

o2.ro

o2.no

o2.com.es

o2.de

o2.com.au

o2.lk

o2.kz

o2.com.br

o2.la

o2.support

o2.church

o2.agency

o2.ua

o2.ventures

o2.at

o2.su

o2.io

o2.sk

o2.biz

o2.com

o2.com.tr

o2.nl

o2.bio

o2.by

o2.co.uk

DNS History

5 records (5 active, 0 former)

●NSdns29.hichina.com2026-03-26 → 2026-03-27 · 2 obs

● 2026-03-26 16:30:16
● 2026-03-27 17:09:34

●NSdns30.hichina.com2026-03-26 → 2026-03-27 · 2 obs

● 2026-03-26 16:30:16
● 2026-03-27 17:09:34

●MXmx1.qiye.aliyun.com2026-03-26 → 2026-03-27 · 2 obs

● 2026-03-26 16:30:16
● 2026-03-27 17:09:34

●MXmx2.qiye.aliyun.com2026-03-26 → 2026-03-27 · 2 obs

● 2026-03-26 16:30:16
● 2026-03-27 17:09:34

●MXmx3.qiye.aliyun.com2026-03-26 → 2026-03-27 · 2 obs

● 2026-03-26 16:30:16
● 2026-03-27 17:09:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
hk	u.hkirc.net.hk, z.hkirc.net.hk, x.hkirc.net.hk, c.hkirc.net.hk...	-
2o.hk	dns30.hichina.com, dns29.hichina.com	-

✅ Authoritative Response

Server:139.224.142.109

NS records: dns30.hichina.com, dns29.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2o.hk (unsigned zone)

⏱️ Timing

Total: 4488ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns30.hichina.com, dns29.hichina.com`
MX	3	`mx2.qiye.aliyun.com (pri: 5), mx1.qiye.aliyun.com (pri: 1)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

2o.hk is delegated to two name servers: dns29.hichina.com and dns30.hichina.com.

2o.hk uses the same name server setup as other domains, including studystuff4u.com, aoonn.com, mingxuexuan.com, qjid.com and szhkys.com.

At least part of the name servers for 2o.hk are shared with other domains, for instance rezoom.com, cenyie.cn, omerin.cn, niqb.cn and kyex.com.