`smartbbs.cn`

DNSSEC	⚠️ Not signed
A	198.44.232.14^{🇺🇸 DXTL-1198.44.232.0/22 Proxy-registered route object}
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=1773153533

`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=2034773959

Same first word

smartbbs.cn

DNS History

4 records (3 active, 1 former)

●NSdm1.longmingdns.com2026-02-26 → 2026-05-10 · 2 obs

● 2026-02-26 19:57:36
● 2026-05-10 09:52:32

●NSdm2.longmingdns.com2026-02-26 → 2026-05-10 · 2 obs

● 2026-02-26 19:57:36
● 2026-05-10 09:52:32

●A198.44.232.142026-03-15 → 2026-05-10 · 3 obs

○ 2026-02-26 19:57:36
● 2026-03-15 09:09:24
● 2026-05-10 09:52:32

○A45.199.51.1442026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 19:57:36
○ 2026-03-15 09:09:24
○ 2026-05-10 09:52:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, c.dns.cn, b.dns.cn, a.dns.cn...	-
smartbbs.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:211.99.99.56

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartbbs.cn (unsigned zone)

⏱️ Timing

Total: 4529ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.44.232.14`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

smartbbs.cn points to a single IP number: 198.44.232.14.

Other host names, for instance 499319.cn, 222653.cn, bleulab.cn and vmfk.cn share IP numbers with smartbbs.cn.

Name Servers

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

smartbbs.cn shares the same name server setup as other domains, for example btkz.com.cn, hide-city.cn, daheli.cn, changangardens.cn and xb75.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.

smartbbs.cn - robtex.com

smartbbs.cn

cn