`nacks.cn`

DNSSEC	⚠️ Not signed
NS	`ns19.xincache.com` ⚠️ Not in zone NS records
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns20.xincache.com` ⚠️ Not in zone NS records
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}

`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=2035014437

Same first word

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nacks.jp

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nacks.co.jp

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DNS History

5 records (2 active, 3 former)

○NSns11.xincache.com2026-06-04 → 2026-06-14 · 6 obs

○ 2016-01-20 11:28:20
● 2026-06-04 13:27:54
● 2026-06-04 14:41:42
○ 2026-06-09 06:50:20
● 2026-06-14 11:59:40
○ 2026-07-07 16:52:24

●NSns19.xincache.com2015-06-07 → 2026-07-07 · 2 obs

● 2015-06-07 06:34:36
● 2026-07-07 16:52:24

●NSns20.xincache.com2016-01-20 → 2026-07-07 · 3 obs

○ 2015-06-07 06:34:36
● 2016-01-20 11:28:20
● 2026-07-07 16:52:24

○A221.6.202.1632026-06-04 → 2026-06-14 · 6 obs

○ 2017-05-26 07:56:30
● 2026-06-04 13:27:54
● 2026-06-04 14:41:42
○ 2026-06-09 06:50:20
● 2026-06-14 11:59:40
○ 2026-07-07 16:52:24

○A58.221.29.672015-06-07 → 2017-05-26 · 4 obs

● 2015-06-07 06:34:36
● 2017-05-26 07:56:30
○ 2026-06-04 13:27:54
○ 2026-07-07 16:52:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn...	-
nacks.cn	ns19.xincache.com, ns20.xincache.com	-

✅ Authoritative Response

Server:117.89.178.173

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nacks.cn (unsigned zone)

⏱️ Timing

Total: 4081ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`221.6.202.163`
NS	2	`ns20.xincache.com, ns19.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

Two name servers handle the delegation for nacks.cn: ns19.xincache.com and ns20.xincache.com.

nacks.cn shares its NS records with other domains, for example shdepin.com, eo.com.cn, qdsxhb.cn and two others.

There is at least partial name server overlap between nacks.cn and other domains — 4001961200.com, cnsealant.com, onwayfitness.com and two more among them.

These name servers frequently co-occur with the name servers ns11.xincache.com and ns12.xincache.com.

DNS names with 8 IP addresses:

ns19.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

DNS names with 7 IP addresses:

ns20.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.

nacks.cn - robtex.com

nacks.cn

cn