`itdocs.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1772639922

`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=2034586566

rank #625553 globally
rank #10704 in the tld

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DNS History

9 records (4 active, 5 former)

○NSdns3.hichina.com2020-03-14 → 2020-03-14 · 3 obs

○ 2017-02-18 18:05:22
● 2020-03-14 04:33:14
○ 2026-03-25 18:08:18

○NSdns4.hichina.com2020-03-14 → 2020-03-14 · 3 obs

○ 2017-02-18 18:05:22
● 2020-03-14 04:33:14
○ 2026-03-25 18:08:18

○NSf1g1ns1.dnspod.net2015-08-23 → 2017-02-18 · 4 obs

● 2015-08-23 13:56:28
● 2017-02-18 18:05:22
○ 2020-03-14 04:33:14
○ 2026-03-25 18:08:18

○NSf1g1ns2.dnspod.net2015-08-23 → 2017-02-18 · 4 obs

● 2015-08-23 13:56:28
● 2017-02-18 18:05:22
○ 2020-03-14 04:33:14
○ 2026-03-25 18:08:18

●NSns1.judns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2020-03-14 04:33:14
● 2026-03-25 18:08:18

●NSns1.julydns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2020-03-14 04:33:14
● 2026-03-25 18:08:18

●NSns2.judns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2020-03-14 04:33:14
● 2026-03-25 18:08:18

●NSns2.julydns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2020-03-14 04:33:14
● 2026-03-25 18:08:18

○A45.76.167.852020-03-14 → 2020-03-14 · 2 obs

● 2020-03-14 04:33:14
○ 2026-03-25 18:08:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...	-
itdocs.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itdocs.cn (unsigned zone)

⏱️ Timing

Total: 1112ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

Name Servers

itdocs.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

itdocs.cn at least partially shares name servers with other domains, for instance pulppackage.com, yueaishang.com, baiguozhou.com, mo26.com and cd51keji.com.