`springdoor.com.cn`

DNSSEC	⚠️ Not signed
A	38.238.213.88^{🇺🇸 HDHK38.238.208.0/20}
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=1774352124

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030570357

WOT: NOT_SAFE (20/100)

Same first word

springdoor.com.cn

Similar names

doorspring.com

(0x706f726e)ogrids.com

doorspring.co.uk

DNS History

8 records (3 active, 5 former)

●NSdm1.longmingdns.com2026-03-11 → 2026-05-15 · 3 obs

○ 2017-04-18 23:19:58
● 2026-03-11 23:51:48
● 2026-05-15 18:16:00

●NSdm2.longmingdns.com2026-03-11 → 2026-05-15 · 3 obs

○ 2017-04-18 23:19:58
● 2026-03-11 23:51:48
● 2026-05-15 18:16:00

○NSns15.xincache.com2015-08-07 → 2017-04-18 · 4 obs

● 2015-08-07 11:02:50
● 2017-04-18 23:19:58
○ 2026-03-11 23:51:48
○ 2026-05-15 18:16:00

○NSns16.xincache.com2015-08-07 → 2017-04-18 · 4 obs

● 2015-08-07 11:02:50
● 2017-04-18 23:19:58
○ 2026-03-11 23:51:48
○ 2026-05-15 18:16:00

○A154.219.129.2192026-03-11 → 2026-05-15 · 2 obs

○ 2026-03-11 23:51:48
○ 2026-05-15 18:16:00

○A222.73.249.62015-08-07 → 2017-04-18 · 4 obs

● 2015-08-07 11:02:50
● 2017-04-18 23:19:58
○ 2026-03-11 23:51:48
○ 2026-05-15 18:16:00

●A38.238.213.882026-03-26 → 2026-05-15 · 3 obs

○ 2026-03-14 22:12:24
● 2026-03-26 07:46:22
● 2026-05-15 18:16:00

○A38.238.213.912026-03-11 → 2026-03-14 · 5 obs

○ 2017-04-18 23:19:58
● 2026-03-11 23:51:48
● 2026-03-14 22:12:24
○ 2026-03-26 07:46:22
○ 2026-05-15 18:16:00

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 1774ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.238.213.88`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

springdoor.com.cn resolves to one IP number: 38.238.213.88.

Name Servers

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

springdoor.com.cn shares the same name server setup as other domains, for instance dhqcc.cn, touxiangba.cn, hszxxyh.cn, huanyuyingyuan.cn and 9yv818.cn.

Two IP numbers for a host: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

One IP number for a host: dm1.longmingdns.com points to 218.98.111.163.

springdoor.com.cn - robtex.com