`tnbd.cn`

DNSSEC	⚠️ Not signed
A	104.243.142.32^{🇺🇸 HENGTONG-1104.243.140.0/22 yunxin llc}
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=1751342908

`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=2034586719

Previously NS for

tnbd.cn

Same first word

tnbd.de

tnbd.co

tnbd.eu

tnbd.com.cn

tnbd.cn

tnbd.net

tnbd.cloud

Similar names

ntbd.de

dtbn.jp

nbdt.ae

ntbd.ru

tbdn.com

tbnd.co.za

dtbn.com

ndbt.cn

ntdb.su

ntdb.cn

tbdn.cn

ndbt.com.tw

bntd.by

ntdb.net

dbnt.com

bndt.net

tdbn.com

dbtn.com

bdtn.cn

ndbt.com

ntdb.com

ntbd.com

dbnt.de

nbdt.com

dtbn.fr

bdnt.cn

bntd.info

btnd.com

dntb.gov.ua

dtnb.de

dtnb.net

nbdt.cn

bndt.com.br

ntbd.cn

dbnt.cn

tbnd.top

dtbn.de

bdnt.com

nbdt.org

ndbt.net

ndbt.org

ntdb.org

tdnb.net

btnd.vn

ndbt.mobi

nbtd.org

dntb.be

bntd.ru

dntb.cn

btnd.se

tdbn.de

btdn.com

bdnt.org

DNS History

7 records (3 active, 4 former)

●NSdm1.longmingdns.com2026-03-14 → 2026-03-25 · 3 obs

○ 2015-05-20 12:49:58
● 2026-03-14 15:54:34
● 2026-03-25 20:57:02

●NSdm2.longmingdns.com2026-03-14 → 2026-03-25 · 3 obs

○ 2015-05-20 12:49:58
● 2026-03-14 15:54:34
● 2026-03-25 20:57:02

○NStnbd.cn2015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 12:49:58
○ 2026-03-14 15:54:34
○ 2026-03-25 20:57:02

●A104.243.142.322026-03-14 → 2026-03-25 · 3 obs

○ 2020-12-14 08:35:26
● 2026-03-14 15:54:34
● 2026-03-25 20:57:02

○A47.240.33.352020-12-14 → 2020-12-14 · 4 obs

○ 2018-01-21 14:49:46
● 2020-12-14 08:35:26
○ 2026-03-14 15:54:34
○ 2026-03-25 20:57:02

○A98.126.73.2182015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 12:49:58
○ 2018-01-21 14:49:46
○ 2026-03-25 20:57:02

○CNAMEdcbb.cn2018-01-21 → 2018-01-21 · 3 obs

● 2018-01-21 14:49:46
○ 2020-12-14 08:35:26
○ 2026-03-25 20:57:02

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 1887ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.243.142.32`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

tnbd.cn points to a single IP number: 104.243.142.32.

Name Servers

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

tnbd.cn shares the same name server setup as other domains, for example xerb.cn, wjjcz.com, sxchdl.cn, fen365.cn and xingyuzhou.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.

tnbd.cn - robtex.com

tnbd.cn

cn