`2oa.cn`

DNSSEC	⚠️ Not signed
A	43.163.126.94^{🇸🇬 TENCENT-NET-AP-CN43.163.64.0/18 ACEVILLEPTELTD-SG 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 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,}
			PTR	`ip-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 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,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 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,}
			PTR	`ip-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 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,}
			PTR	`ip-139-224-142-121.defastlink.net`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`cn`

	DNSSEC	⚠️ Not signed
	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=2034456417

Same first word

2oa.net

2oa.cn

2oa.de

2oa.ru

Similar names

a2o.info

ao2.mobi

ao2.com

o2a.org

a2o.legal

a2o.com.sg

a2o.si

a2o.fr

2ao.ru

ao2.be

2ao.net

a2o.pl

a2o.nl

a2o.net.au

a2o.bg

oa2.com

a2o.co.jp

o2a.net

a2o.org

o2a.ru

ao2.jp

o2a.cz

o2a.se

ao2.nl

o2a.it

oa2.fr

a2o.pt

a2o.co.uk

a2o.net

a2o.se

a2o.com

ao2.cn

a2o.de

ao2.se

oa2.net

a2o.eu

o2a.nl

ao2.de

a2o.be

a2o.it

oa2.org

a2o.at

2ao.de

a2o.jp

o2a.no

a2o.io

o2a.fr

ao2.it

o2a.com.mx

o2a.pt

a2o.me

oa2.pl

ao2.com.br

o2a.com

oa2.de

o2a.info

a2o.ir

oa2.ru

ao2.ca

o2a.de

2ao.com

a2o.biz

2ao.cc

2ao.fr

ao2.pl

ao2.org

DNS History

11 records (3 active, 8 former)

●NSdns10.hichina.com2026-03-01 → 2026-03-01 · 3 obs

○ 2021-07-10 18:40:54
● 2026-03-01 08:36:16
● 2026-03-01 12:26:44

●NSdns9.hichina.com2026-03-01 → 2026-03-01 · 3 obs

○ 2021-07-10 18:40:54
● 2026-03-01 08:36:16
● 2026-03-01 12:26:44

○NSf1g1ns1.dnspod.net2019-01-14 → 2021-07-10 · 5 obs

○ 2015-08-14 16:10:30
● 2019-01-14 03:27:14
● 2021-07-10 18:40:54
○ 2026-03-01 08:36:16
○ 2026-03-01 12:26:44

○NSf1g1ns2.dnspod.net2019-01-14 → 2021-07-10 · 5 obs

○ 2015-08-14 16:10:30
● 2019-01-14 03:27:14
● 2021-07-10 18:40:54
○ 2026-03-01 08:36:16
○ 2026-03-01 12:26:44

○NSns2.dns.com.cn2015-08-14 → 2015-08-14 · 3 obs

● 2015-08-14 16:10:30
○ 2019-01-14 03:27:14
○ 2026-03-01 12:26:44

○MXmail.skrimple.com2015-12-01 → 2016-03-11 · 4 obs

● 2015-12-01 13:08:50
● 2016-03-11 07:18:56
○ 2019-01-14 03:27:14
○ 2026-03-01 12:26:44

○MXmxdomain.qq.com2019-01-14 → 2021-07-10 · 5 obs

○ 2016-03-11 07:18:56
● 2019-01-14 03:27:14
● 2021-07-10 18:40:54
○ 2026-03-01 08:36:16
○ 2026-03-01 12:26:44

●A43.163.126.942026-03-01 → 2026-03-01 · 3 obs

○ 2019-01-14 03:27:14
● 2026-03-01 08:36:16
● 2026-03-01 12:26:44

○A61.152.210.262015-08-14 → 2015-08-14 · 3 obs

● 2015-08-14 16:10:30
○ 2019-01-14 03:27:14
○ 2026-03-01 12:26:44

○A65.19.157.2352015-12-01 → 2016-03-11 · 5 obs

○ 2015-08-14 16:10:30
● 2015-12-01 13:08:50
● 2016-03-11 07:18:56
○ 2019-01-14 03:27:14
○ 2026-03-01 12:26:44

○CNAME2oa.cn.w.kunluncan.com2019-01-14 → 2021-07-10 · 4 obs

● 2019-01-14 03:27:14
● 2021-07-10 18:40:54
○ 2026-03-01 08:36:16
○ 2026-03-01 12:26:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
2oa.cn	dns9.hichina.com, dns10.hichina.com	-

✅ Authoritative Response

Server: 120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2oa.cn (unsigned zone)

⏱️ Timing

Total: 4809ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.163.126.94`
NS	2	`dns9.hichina.com, dns10.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

2oa.cn points to a single IP address: 43.163.126.94.

Name Servers

Two name servers dns10.hichina.com and dns9.hichina.com handle the delegation for 2oa.cn.

2oa.cn shares the same name server setup as other domains, for example fkuphup.cn, at592.com, gzjuxiang.com, lvyatech.com and baigebaodev.com.

2oa.cn partially shares name servers with other domains, for example bgdspt.com and ahdqjc.com.

These name servers are often used together with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121; dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

2oa.cn - robtex.com

2oa.cn

cn