`b-2-c.cn`

DNSSEC	⚠️ Not signed
NS	`ns5.myhostadmin.net` ⭐
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
NS	`ns6.myhostadmin.net`
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.13^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
MX	`mx1.yunyou.top` ⭐
		A	2404:ccc0:263:103:5054:ff:fe4a:5abe^{🇭🇰 WEST263GO-HK2404:ccc0:263::/48 West263 International Limited 12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong,}
		A	128.14.74.39^{🇺🇸 TELX-AS21859128.14.74.0/24}
			PTR	`hwmx71.cn4e.com`
MX	`mx2.yunyou.top` ⭐
		A	211.149.239.73^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`mx2.yunyou.top`
		A	211.149.240.37^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`mx2.yunyou.top`
TXT	`v=spf1 include:yunyou.top -all`
SOA	`ns5.myhostadmin.net`dnsconct@myhostadmin.net 2026-03-04 #8

`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=2034669343

Same first word

b-2-c.nl

b-2-c.cn

b-2-c.biz

Similar names

c-2-b.de

DNS History

6 records (4 active, 2 former)

○NSdns10.hichina.com2015-08-14 → 2017-02-12 · 4 obs

● 2015-08-14 03:13:22
● 2017-02-12 01:02:24
○ 2026-03-29 15:06:16
○ 2026-04-14 10:48:14

○NSdns9.hichina.com2015-08-14 → 2017-02-12 · 4 obs

● 2015-08-14 03:13:22
● 2017-02-12 01:02:24
○ 2026-03-29 15:06:16
○ 2026-04-14 10:48:14

●NSns5.myhostadmin.net2026-03-29 → 2026-04-14 · 3 obs

○ 2017-02-12 01:02:24
● 2026-03-29 15:06:16
● 2026-04-14 10:48:14

●NSns6.myhostadmin.net2026-03-29 → 2026-04-14 · 3 obs

○ 2017-02-12 01:02:24
● 2026-03-29 15:06:16
● 2026-04-14 10:48:14

●MXmx1.yunyou.top2026-03-29 → 2026-04-14 · 2 obs

● 2026-03-29 15:06:16
● 2026-04-14 10:48:14

●MXmx2.yunyou.top2026-03-29 → 2026-04-14 · 2 obs

● 2026-03-29 15:06:16
● 2026-04-14 10:48:14

🔍 DNS Trace

Analysis

Name Servers

b-2-c.cn's delegation uses two name servers, ns5.myhostadmin.net and ns6.myhostadmin.net.

b-2-c.cn shares the same name server setup as other domains, for example aizsy.com, lingling1688.cn, lzfyjt.com, czshenyuan.com and jjj.cx.

b-2-c.cn at least partially shares name servers with other domains, including czyfdb.com, tunnel.company, xyydcg.com, 3282.cn and lerpoo.com.

These name servers are typically used together with the name servers ns4.myhostadmin.net, ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net, ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk, ns5.363.hk and ns6.363.hk.

Host names with three IPs:

ns5.myhostadmin.net points to 240e:d9:c200::2, 61.172.183.73 and 118.123.249.114

ns6.myhostadmin.net points to 240e:d9:c200:1::2, 60.247.150.13 and 118.123.253.132

Mail Servers

b-2-c.cn is handled by two mail servers: mx1.yunyou.top and mx2.yunyou.top.

b-2-c.cn shares its mail server setup with other domains, including huiguanfz.com, dawnsun.cc, ah-fluid.com, szksxsjd.com and gdhuaye.com.

The mail servers for b-2-c.cn are shared with other domains, for instance bedunion.cn, buyisou.cn, esph.com.cn, deruishi.com and famen5.com.

Host names with two IPs:

mx1.yunyou.top points to: 2404:ccc0:263:103:5054:ff:fe4a:5abe and 128.14.74.39

mx2.yunyou.top points to: 211.149.239.73 and 211.149.240.37

b-2-c.cn - robtex.com

b-2-c.cn

cn