`3dbike.cn`

DNSSEC	⚠️ Not signed
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=1780943594

`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=2035057901

Same first word

3dbike.cn

DNS History

20 records (2 active, 18 former)

●NSdm1.longmingdns.com2026-07-18 → 2026-07-18 · 2 obs

○ 2026-06-05 19:31:34
● 2026-07-18 23:20:06

●NSdm2.longmingdns.com2026-07-18 → 2026-07-18 · 2 obs

○ 2026-06-05 19:31:34
● 2026-07-18 23:20:06

○NSdns1.iidns.com2015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○NSdns2.iidns.com2015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○NSdns3.iidns.com2015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○NSdns4.iidns.com2015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○NSdns5.iidns.com2015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○NSdns6.iidns.com2015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○NSgordon.ns.cloudflare.com2026-04-11 → 2026-06-05 · 4 obs

○ 2017-02-12 07:21:16
● 2026-04-11 01:51:04
● 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○NSnina.ns.cloudflare.com2026-04-11 → 2026-06-05 · 4 obs

○ 2017-02-12 07:21:16
● 2026-04-11 01:51:04
● 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A104.21.44.1562026-04-11 → 2026-06-03 · 5 obs

○ 2019-03-14 21:22:22
● 2026-04-11 01:51:04
● 2026-06-03 12:11:32
○ 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A112.124.247.2092015-07-23 → 2017-02-12 · 4 obs

● 2015-07-23 18:47:00
● 2017-02-12 07:21:16
○ 2019-03-14 21:22:22
○ 2026-07-18 23:20:06

○A154.214.101.432019-03-14 → 2019-03-14 · 4 obs

○ 2017-02-12 07:21:16
● 2019-03-14 21:22:22
○ 2026-04-11 01:51:04
○ 2026-07-18 23:20:06

○A172.67.201.412026-04-11 → 2026-06-03 · 5 obs

○ 2019-03-14 21:22:22
● 2026-04-11 01:51:04
● 2026-06-03 12:11:32
○ 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A188.114.96.02026-06-05 → 2026-06-05 · 3 obs

○ 2026-06-03 12:11:32
● 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A188.114.97.02026-06-05 → 2026-06-05 · 3 obs

○ 2026-06-03 12:11:32
● 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A2606:4700:3034::ac43:c9292026-04-11 → 2026-06-03 · 5 obs

○ 2019-03-14 21:22:22
● 2026-04-11 01:51:04
● 2026-06-03 12:11:32
○ 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A2606:4700:3035::6815:2c9c2026-04-11 → 2026-06-03 · 5 obs

○ 2019-03-14 21:22:22
● 2026-04-11 01:51:04
● 2026-06-03 12:11:32
○ 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A2a06:98c1:3120::2026-06-05 → 2026-06-05 · 3 obs

○ 2026-06-03 12:11:32
● 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

○A2a06:98c1:3121::2026-06-05 → 2026-06-05 · 3 obs

○ 2026-06-03 12:11:32
● 2026-06-05 19:31:34
○ 2026-07-18 23:20:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
3dbike.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 3dbike.cn (unsigned zone)

⏱️ Timing

Total: 1807ms | Queries: -

📄 Records

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

Analysis

Name Servers

3dbike.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.

3dbike.cn has the same name server delegation as a number of other domains, such as qcxo.cn, tiaotiaochong.cn, shangmingju.cn and two more.

Hosts with two IP numbers each:

dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Hosts that resolve to one IP address:

dm1.longmingdns.com points to 218.98.111.163.

3dbike.cn - robtex.com

3dbike.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`3dbike.cn`

`cn`