ycstem.com - dns.ninja

`ycstem.com`

DNSSEC	⚠️ Not signed
A	91.110.224.4^{🇬🇧 BT-UK-AS91.110.0.0/16}
NS	`ns1.myhostadmin.net` ⭐ ⚠️ Not in parent delegation
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.254^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
NS	`ns1.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.254^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
NS	`ns2.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
NS	`ns2.myhostadmin.net` ⚠️ Not in parent delegation
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.143^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
NS	`ns3.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.77^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
NS	`ns4.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
NS	`ns5.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
NS	`ns6.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.13^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
SOA	`ns1.myhostadmin.net`dnsconct@myhostadmin.net 2026-03-18 #7

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783353166

Same first word

ycstem.com

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DNS History

15 records (9 active, 6 former)

○NSdns1.hichina.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 03:16:44
○ 2026-04-14 06:34:52
○ 2026-07-06 15:53:14

○NSdns2.hichina.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 03:16:44
○ 2026-04-14 06:34:52
○ 2026-07-06 15:53:14

●NSns1.363.hk2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns1.myhostadmin.net2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns2.363.hk2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns2.myhostadmin.net2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns3.363.hk2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns4.363.hk2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns5.363.hk2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

●NSns6.363.hk2026-04-14 → 2026-07-06 · 3 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-07-06 15:53:14

○MXmxbiz1.qq.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 03:16:44
○ 2026-04-14 06:34:52
○ 2026-07-06 15:53:14

○MXmxbiz2.qq.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 03:16:44
○ 2026-04-14 06:34:52
○ 2026-07-06 15:53:14

○A154.88.27.1482026-04-14 → 2026-04-15 · 5 obs

○ 2019-12-14 03:16:44
● 2026-04-14 06:34:52
● 2026-04-15 15:42:30
○ 2026-05-25 01:05:16
○ 2026-07-06 15:53:14

○A219.234.6.212019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 03:16:44
○ 2026-04-14 06:34:52
○ 2026-07-06 15:53:14

●A91.110.224.42026-05-25 → 2026-07-06 · 3 obs

○ 2026-04-15 15:42:30
● 2026-05-25 01:05:16
● 2026-07-06 15:53:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ycstem.com	ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk...	-

✅ Authoritative Response

Server:211.149.230.100

NS records: ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk, ns5.363.hk, ns6.363.hk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ycstem.com (unsigned zone)

⏱️ Timing

Total: 1511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.110.224.4`
NS	2	`ns2.myhostadmin.net, ns1.myhostadmin.net`
SOA	1	`ns1.myhostadmin.net dnsconct.myhostadmin`

Analysis

IP Addresses

ycstem.com resolves to just one IP address, 91.110.224.4.

Name Servers

The DNS delegation for ycstem.com covers 8 name servers: ns1.363.hk, ns2.363.hk, ns3.363.hk and 5 more.

There is at least partial name server overlap between ycstem.com and other domains — jxsbzx.com, 114116.cn, fnkd.cn and two more among them.

These name servers regularly appear alongside ns4.363.hk, ns1.myhostadmin.net, ns2.myhostadmin.net and 6 other name servers in NS record sets.

Host names that resolve to four IP numbers:

ns1.363.hk resolves to four IP addresses — 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.

ns1.myhostadmin.net resolves to four IP addresses — 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.

ns2.myhostadmin.net resolves to four IP addresses — 61.172.183.73, 61.240.129.143, 211.149.230.100 and 240e:d9:c200:1::2.

Hostnames that map to three IP numbers:

ns2.363.hk resolves to three addresses: 61.172.183.73, 211.149.230.100 and 240e:d9:c200:1::2.

ns3.363.hk resolves to three addresses: 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.

ns4.363.hk resolves to three addresses: 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.

ns5.363.hk resolves to three addresses: 61.172.183.73, 118.123.249.114 and 240e:d9:c200::2.

ns6.363.hk resolves to three addresses: 60.247.150.13, 118.123.253.132 and 240e:d9:c200:1::2.

These host names all point to 240e:d9:c200::2: ns1.363.hk, ns1.myhostadmin.net, ns3.363.hk and ns5.363.hk.

These two host names — ns1.363.hk and ns1.myhostadmin.net — each point to 60.247.150.254 IP addresses.

These host names all point to 118.123.249.114: ns1.363.hk, ns1.myhostadmin.net, ns3.363.hk and ns5.363.hk.

These host names all point to 118.123.253.132: ns1.363.hk, ns1.myhostadmin.net, ns4.363.hk and ns6.363.hk.

These host names all point to 240e:d9:c200:1::2: ns2.myhostadmin.net, ns2.363.hk, ns4.363.hk and ns6.363.hk.

Each of ns2.myhostadmin.net, ns2.363.hk and ns5.363.hk resolves to 61.172.183.73.

Each of ns2.myhostadmin.net, ns2.363.hk and ns4.363.hk resolves to 211.149.230.100.