`yc100.cn`

DNSSEC	⚠️ Not signed
NS	`ns5000.01isp.com` ⭐
		A	2408:4003:10b1:ad01:74ac:80d9:90d9:85f2^{🇨🇳 Alibaba-Cloud2408:4003::/33}
		A	47.115.116.64^{🇨🇳 Alibaba-Cloud47.115.0.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns1.01isp.com`
		A	2408:4003:10b1:ad01:74ac:80d9:90d9:85f2^{🇨🇳 Alibaba-Cloud2408:4003::/33}
		A	47.115.116.64^{🇨🇳 Alibaba-Cloud47.115.0.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns2.01isp.net`
		A	47.238.130.49^{🇭🇰 Alibaba-Cloud47.238.0.0/16 Proxy-registered route object}
SOA	`ns5000.01isp.com`admin@now.cn 2026-07-30 #1

`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`
	SOA	`a.dns.cn`root@cnnic.cn serial=2035125042

Same first word

yc100.cn

Similar names

c100y.net

cy001.cn

010yc.com

yc001.cn

cy001.com

100cy.com

100yc.com.cn

DNS History

5 records (3 active, 2 former)

●NSns1.01isp.com2015-07-22 → 2026-08-02 · 2 obs

● 2015-07-22 11:05:20
● 2026-08-02 17:32:56

●NSns2.01isp.net2015-07-22 → 2026-08-02 · 2 obs

● 2015-07-22 11:05:20
● 2026-08-02 17:32:56

●NSns5000.01isp.com2026-03-28 → 2026-08-02 · 3 obs

○ 2015-07-22 11:05:20
● 2026-03-28 02:56:28
● 2026-08-02 17:32:56

○MXmxdomain.qq.com2015-07-22 → 2020-04-03 · 4 obs

● 2015-07-22 11:05:20
● 2020-04-03 17:55:08
○ 2026-03-28 02:56:28
○ 2026-08-02 17:32:56

○A121.41.24.2392015-07-22 → 2020-04-03 · 4 obs

● 2015-07-22 11:05:20
● 2020-04-03 17:55:08
○ 2026-03-28 02:56:28
○ 2026-08-02 17:32:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
yc100.cn	ns1.01isp.com, ns2.01isp.net	-

✅ Authoritative Response

Server:47.238.130.49

NS records: ns1.01isp.com, ns2.01isp.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yc100.cn (unsigned zone)

⏱️ Timing

Total: 1594ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.01isp.net, ns1.01isp.com`
SOA	1	`ns5000.01isp.com admin.now.cn`

Analysis

Name Servers

Three name servers are authoritative for yc100.cn: ns1.01isp.com, ns5000.01isp.com and ns2.01isp.net.

The name servers of yc100.cn overlap at least partially with those of other domains — among them itsemi.cn, xx007.cn, jmlsd.cn and two more.

These name servers commonly appear alongside the name servers ns5001.01isp.cn and ns5002.01isp.net.

Hostnames that resolve to two IP addresses:

ns1.01isp.com maps to two IP addresses — 47.115.116.64 and 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2.

ns5000.01isp.com maps to two IP addresses — 47.115.116.64 and 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2.

Hosts with just one IP address:

ns2.01isp.net points to the IP address 47.238.130.49.

These two host names — ns1.01isp.com and ns5000.01isp.com — each point to 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2 IP addresses.

These two host names — ns1.01isp.com and ns5000.01isp.com — each point to 47.115.116.64 IP addresses.

yc100.cn - robtex.com

yc100.cn

cn