`icvs.com.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=1691463192

`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=2030482969

WOT: NOT_SAFE (20/100)

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DNS History

10 records (4 active, 6 former)

○NS(root)2015-06-14 → 2016-03-30 · 4 obs

● 2015-06-14 06:01:32
● 2016-03-30 18:33:22
○ 2016-08-08 00:27:54
○ 2026-03-28 18:31:40

●NSns1.judns.com2026-03-26 → 2026-03-28 · 3 obs

○ 2017-06-01 07:14:40
● 2026-03-26 15:32:30
● 2026-03-28 18:31:40

●NSns1.julydns.com2026-03-26 → 2026-03-28 · 3 obs

○ 2017-06-01 07:14:40
● 2026-03-26 15:32:30
● 2026-03-28 18:31:40

○NSns11.xincache.com2016-08-08 → 2017-06-01 · 5 obs

○ 2016-03-30 18:33:22
● 2016-08-08 00:27:54
● 2017-06-01 07:14:40
○ 2026-03-26 15:32:30
○ 2026-03-28 18:31:40

○NSns12.xincache.com2016-08-08 → 2017-06-01 · 5 obs

○ 2016-03-30 18:33:22
● 2016-08-08 00:27:54
● 2017-06-01 07:14:40
○ 2026-03-26 15:32:30
○ 2026-03-28 18:31:40

●NSns2.judns.com2026-03-26 → 2026-03-28 · 3 obs

○ 2017-06-01 07:14:40
● 2026-03-26 15:32:30
● 2026-03-28 18:31:40

●NSns2.julydns.com2026-03-26 → 2026-03-28 · 3 obs

○ 2017-06-01 07:14:40
● 2026-03-26 15:32:30
● 2026-03-28 18:31:40

○MXmail.icvs.com.cn2015-06-14 → 2016-03-30 · 4 obs

● 2015-06-14 06:01:32
● 2016-03-30 18:33:22
○ 2016-08-08 00:27:54
○ 2026-03-28 18:31:40

○A120.133.5.612017-06-01 → 2017-06-01 · 4 obs

○ 2016-08-08 00:27:54
● 2017-06-01 07:14:40
○ 2026-03-26 15:32:30
○ 2026-03-28 18:31:40

○A211.144.119.1262015-06-14 → 2016-03-30 · 4 obs

● 2015-06-14 06:01:32
● 2016-03-30 18:33:22
○ 2016-08-08 00:27:54
○ 2026-03-28 18:31:40

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 814ms | 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

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

icvs.com.cn at least partially shares its name servers with other domains, for instance sz-tsinghua.cn, 0731gn.com, misap.cn, yqfmzss.cn and tcroq.cn.