sysc.cn - dns.ninja

`sysc.cn`

DNSSEC	⚠️ Not signed
A	47.86.221.20^{🇺🇸 Alibaba-Cloud47.86.128.0/17 Proxy-registered route object}
NS	`dns23.hichina.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::31^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.110^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns24.hichina.com` ⚠️ Not in parent delegation
		A	2408:4009:501::32^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.108^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns1.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
TXT	`fd6009b8-4c61-4ae0-b7ad-f8a56eb5fc0b`
TXT	`27f4b2757065458fb010c679b4929fda`
TXT	`96a136e7362e467a8918ae7a9360dda0`
TXT	`e348593441f0994b2e8e80077e0728aac87586fa`
TXT	`d88bb5d559af85764c3a0fb7cbc5aadd8c931ed6`
SOA	`dns23.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=2034970230

Same first word

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csys.com

DNS History

8 records (5 active, 3 former)

●NSdns23.hichina.com2026-04-21 → 2026-06-26 · 3 obs

○ 2017-04-05 14:18:00
● 2026-04-21 18:50:06
● 2026-06-26 03:15:28

●NSdns24.hichina.com2026-04-21 → 2026-06-26 · 3 obs

○ 2017-04-05 14:18:00
● 2026-04-21 18:50:06
● 2026-06-26 03:15:28

●NSns1.alidns.com2026-04-21 → 2026-06-26 · 3 obs

○ 2017-04-05 14:18:00
● 2026-04-21 18:50:06
● 2026-06-26 03:15:28

○NSns13.xincache.com2015-05-28 → 2017-04-05 · 4 obs

● 2015-05-28 10:33:38
● 2017-04-05 14:18:00
○ 2026-04-21 18:50:06
○ 2026-06-26 03:15:28

○NSns14.xincache.com2015-05-28 → 2017-04-05 · 4 obs

● 2015-05-28 10:33:38
● 2017-04-05 14:18:00
○ 2026-04-21 18:50:06
○ 2026-06-26 03:15:28

●NSns2.alidns.com2026-04-21 → 2026-06-26 · 3 obs

○ 2017-04-05 14:18:00
● 2026-04-21 18:50:06
● 2026-06-26 03:15:28

○A47.238.228.962026-04-21 → 2026-06-26 · 2 obs

○ 2026-04-21 18:50:06
○ 2026-06-26 03:15:28

●A47.86.221.202026-06-09 → 2026-06-26 · 3 obs

○ 2026-04-21 18:50:06
● 2026-06-09 09:22:10
● 2026-06-26 03:15:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...	-
sysc.cn	ns1.alidns.com, ns2.alidns.com	-

✅ Authoritative Response

Server:139.224.142.115

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysc.cn (unsigned zone)

⏱️ Timing

Total: 3337ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.86.221.20`
NS	2	`dns23.hichina.com, dns24.hichina.com`
TXT	5	`fd6009b8-4c61-4ae0-b7ad-f8a56eb5fc0b, d88bb5d559af85764c3a0fb7cbc5aadd8c931ed6...`
SOA	1	`dns23.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

sysc.cn points to a single IP number: 47.86.221.20.

Additional host names — mx.umac.cn, cgcy.cn, 52fq.com and two others — share IP numbers with sysc.cn.

Name Servers

sysc.cn has four authoritative name servers: ns1.alidns.com, ns2.alidns.com, dns23.hichina.com and dns24.hichina.com.

At least some of sysc.cn's name servers are shared with other domains, for example kyk1655.com, jiusirui.com, luyanhui.com and two more.

These name servers tend to co-occur with ns7.alidns.com, ns8.alidns.com, dns7.hichina.com and 7 other name servers in the same DNS delegations.

Host names with 9 IP numbers:

ns1.alidns.com points to 39.96.153.45, 39.96.153.55, 47.118.199.205 and 6 other IP addresses.

ns2.alidns.com points to 39.96.153.46, 39.96.153.56, 47.118.199.206 and 6 other IP addresses.

dns23.hichina.com points to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns24.hichina.com points to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.