`ppdoc.cn`

DNSSEC	⚠️ Not signed
A	144.168.107.109^{🇺🇸 ESITED-1144.168.64.0/18 ESITED Prefix}
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=1766040561

`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=2034595863

Same first word

ppdoc.cn

ppdoc.com

Similar names

popdc.com

coppd.com

cdpop.com

pcpod.com

cpdpo.com

cpopd.com

popcd.com

ppdco.com

pdpco.com

docpp.com

codpp.com

popcd.net

cppod.com.cn

cdpop.org

cdpop.net

pdpco.gr

doppc.com

podpc.org

podpc.co.uk

dcpop.com

cppdo.com

podpc.com

copdp.in

cpdop.com

coppd.org

cppod.net

pdpco.eu

DNS History

6 records (3 active, 3 former)

●NSdm1.longmingdns.com2026-02-15 → 2026-03-27 · 3 obs

○ 2016-02-09 14:03:20
● 2026-02-15 05:48:04
● 2026-03-27 22:26:08

●NSdm2.longmingdns.com2026-02-15 → 2026-03-27 · 3 obs

○ 2016-02-09 14:03:20
● 2026-02-15 05:48:04
● 2026-03-27 22:26:08

○NSns1.51dns.com2015-06-30 → 2015-11-06 · 4 obs

● 2015-06-30 13:48:18
● 2015-11-06 17:47:12
○ 2016-02-09 14:03:20
○ 2026-03-27 22:26:08

○NSns2.51dns.com2015-11-06 → 2015-11-06 · 4 obs

○ 2015-06-30 13:48:18
● 2015-11-06 17:47:12
○ 2016-02-09 14:03:20
○ 2026-03-27 22:26:08

●A144.168.107.1092026-02-15 → 2026-03-27 · 2 obs

● 2026-02-15 05:48:04
● 2026-03-27 22:26:08

○CNAME5.u.bapingwang.com.ppdoc.cn2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 13:48:18
○ 2015-11-06 17:47:12
○ 2026-03-27 22:26:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
ppdoc.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 ppdoc.cn (unsigned zone)

⏱️ Timing

Total: 2049ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.168.107.109`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

ppdoc.cn points to a single IP address: 144.168.107.109.

Other host names, for instance dzpbp.cn, mrcash.cn, dprb.cn and www.dzpbp.cn share IP numbers with ppdoc.cn.

Name Servers

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

ppdoc.cn uses the same name server setup as other domains, including hblangzhao.cn, megazeal.net.cn, wpkc.com.cn, ffcb.cn and 59ivi.com.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.

ppdoc.cn - robtex.com

ppdoc.cn

cn