`dldoctor.cn`

DNSSEC	⚠️ Not signed
A	140.188.138.241^{🇺🇸 PEGTECHINC140.188.128.0/19 PEG TECH INC}
NS	`ns1.nowcndns.com` ⭐
		A	1.193.216.204^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	218.98.111.129^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	218.98.111.138^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.nowcndns.com`
		A	61.158.128.11^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`11.128.158.61.ha.cnc`
		A	183.253.57.202^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.38^{🇨🇳 DONGGUAN-1211.99.99.0/24}
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1785363969

`cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⚠️ Not in zone NS records
	NS	`b.dns.cn` ⚠️ Not in zone NS records
	NS	`c.dns.cn` ⚠️ Not in zone NS records
	NS	`d.dns.cn` ⚠️ Not in zone NS records
	NS	`e.dns.cn` ⚠️ Not in zone NS records
	NS	`ns.cernet.net` ⚠️ Not in zone NS records

Same first word

dldoctor.cn

Similar names

doctordl.com

DNS History

4 records (3 active, 1 former)

●NSns1.nowcndns.com2026-02-20 → 2026-08-02 · 2 obs

● 2026-02-20 08:51:36
● 2026-08-02 01:49:06

●NSns2.nowcndns.com2026-02-20 → 2026-08-02 · 2 obs

● 2026-02-20 08:51:36
● 2026-08-02 01:49:06

●A140.188.138.2412026-05-25 → 2026-08-02 · 3 obs

○ 2026-03-14 10:44:54
● 2026-05-25 08:06:54
● 2026-08-02 01:49:06

○A38.12.218.1172026-02-20 → 2026-03-14 · 4 obs

● 2026-02-20 08:51:36
● 2026-03-14 10:44:54
○ 2026-05-25 08:06:54
○ 2026-08-02 01:49:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn...	-
dldoctor.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:218.98.111.138

NS records: ns1.nowcndns.com, ns2.nowcndns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dldoctor.cn (unsigned zone)

⏱️ Timing

Total: 2060ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.188.138.241`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

dldoctor.cn directs to one IP number, which is 140.188.138.241.

Other host names share IP numbers with dldoctor.cn; hetian58.cn is one such example.

Name Servers

dldoctor.cn is served by two delegated name servers, ns1.nowcndns.com and ns2.nowcndns.com.

dldoctor.cn has the same name server delegation as a number of other domains, such as d4swpo.cn, syzhongxing.cn, nmgfusheng.cn and two more.

ns1.nowcndns.com and ns2.nowcndns.com each resolve to three IP addresses. ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.

dldoctor.cn - robtex.com

dldoctor.cn

cn