`apb2b.cn`

DNSSEC	⚠️ Not signed
A	177.211.173.44^{🇧🇷 UNSPECIFIED160.0.0.0/3}
NS	`dm1.longmingdns.com` ⭐
		A	218.98.111.163^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`dm2.longmingdns.com`
		A	183.253.57.197^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.56^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`dm1.longmingdns.com`dnsadmin@longmingdns.com serial=1774350126

`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=2034595552

Same first word

apb2b.cn

Similar names

b2bpa.com

DNS History

11 records (3 active, 8 former)

●NSdm1.longmingdns.com2026-03-13 → 2026-03-27 · 3 obs

○ 2015-08-19 05:06:54
● 2026-03-13 11:02:16
● 2026-03-27 20:43:38

●NSdm2.longmingdns.com2026-03-13 → 2026-03-27 · 3 obs

○ 2015-08-19 05:06:54
● 2026-03-13 11:02:16
● 2026-03-27 20:43:38

○NSf1g1ns1.dnspod.net2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 05:06:54
○ 2026-03-13 11:02:16
○ 2026-03-27 20:43:38

○NSf1g1ns2.dnspod.net2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 05:06:54
○ 2026-03-13 11:02:16
○ 2026-03-27 20:43:38

○MXmail.skrimple.com2016-01-19 → 2017-12-12 · 4 obs

● 2016-01-19 15:36:04
● 2017-12-12 14:04:58
○ 2026-03-13 11:02:16
○ 2026-03-27 20:43:38

○A103.51.144.812016-10-28 → 2016-10-28 · 4 obs

○ 2016-04-11 00:57:24
● 2016-10-28 11:06:42
○ 2017-12-12 14:04:58
○ 2026-03-27 20:43:38

○A123.254.111.1902015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 05:06:54
○ 2016-01-19 15:36:04
○ 2026-03-27 20:43:38

●A177.211.173.442026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-13 11:02:16
● 2026-03-27 20:43:36
● 2026-03-27 20:43:38

○A38.238.104.2392026-03-13 → 2026-03-13 · 4 obs

○ 2017-12-12 14:04:58
● 2026-03-13 11:02:16
○ 2026-03-27 20:43:36
○ 2026-03-27 20:43:38

○A50.117.120.2512017-12-12 → 2017-12-12 · 4 obs

○ 2016-10-28 11:06:42
● 2017-12-12 14:04:58
○ 2026-03-13 11:02:16
○ 2026-03-27 20:43:38

○A65.19.157.2352016-01-19 → 2016-04-11 · 5 obs

○ 2015-08-19 05:06:54
● 2016-01-19 15:36:04
● 2016-04-11 00:57:24
○ 2016-10-28 11:06:42
○ 2026-03-27 20:43:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
apb2b.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:218.98.111.163

NS records: dm1.longmingdns.com, dm2.longmingdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apb2b.cn (unsigned zone)

⏱️ Timing

Total: 4729ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.211.173.44`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

apb2b.cn points to a single IP number: 177.211.173.44.

Name Servers

Delegation for apb2b.cn rests with two name servers, dm1.longmingdns.com and dm2.longmingdns.com.

apb2b.cn shares the same name server setup as other domains, including dfzbw.com.cn, seirei.com.cn, 71799.cn, nelemen.com.cn and dgcydq.cn.

Host names with two IP numbers:

dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Host names with one IP number:

dm1.longmingdns.com points to 218.98.111.163.

apb2b.cn - robtex.com

apb2b.cn

cn