`ntac.cn`

DNSSEC	⚠️ Not signed
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	`ns2.myhostadmin.net` ⚠️ Not in parent delegation
NS	`ns3.myhostadmin.net`
		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.myhostadmin.net`
		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.myhostadmin.net` ⚠️ Not in parent delegation
		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.myhostadmin.net` ⚠️ Not in parent delegation
		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 2012-08-23 #84

`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=2035086202

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DNS History

9 records (6 active, 3 former)

●NSns1.myhostadmin.net2015-07-05 → 2026-07-25 · 2 obs

● 2015-07-05 13:34:24
● 2026-07-25 03:46:34

●NSns2.myhostadmin.net2015-07-05 → 2026-07-25 · 2 obs

● 2015-07-05 13:34:24
● 2026-07-25 03:46:34

●NSns3.myhostadmin.net2015-07-05 → 2026-07-25 · 2 obs

● 2015-07-05 13:34:24
● 2026-07-25 03:46:34

●NSns4.myhostadmin.net2015-07-05 → 2026-07-25 · 2 obs

● 2015-07-05 13:34:24
● 2026-07-25 03:46:34

●NSns5.myhostadmin.net2015-07-05 → 2026-07-25 · 2 obs

● 2015-07-05 13:34:24
● 2026-07-25 03:46:34

●NSns6.myhostadmin.net2015-07-05 → 2026-07-25 · 2 obs

● 2015-07-05 13:34:24
● 2026-07-25 03:46:34

○A162.144.29.242016-05-26 → 2017-01-06 · 5 obs

○ 2016-03-16 13:30:58
● 2016-05-26 20:46:44
● 2017-01-06 20:49:38
○ 2017-06-10 23:55:32
○ 2026-07-25 03:46:34

○A211.149.155.2322016-03-16 → 2016-03-16 · 4 obs

○ 2016-01-09 15:43:46
● 2016-03-16 13:30:58
○ 2016-05-26 20:46:44
○ 2026-07-25 03:46:34

○A211.149.168.992015-07-05 → 2016-01-09 · 4 obs

● 2015-07-05 13:34:24
● 2016-01-09 15:43:46
○ 2016-03-16 13:30:58
○ 2026-07-25 03:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, e.dns.cn, d.dns.cn, a.dns.cn...	-
ntac.cn	ns3.myhostadmin.net, ns4.myhostadmin.net	-

✅ Authoritative Response

Server:61.172.183.77

NS records: ns3.myhostadmin.net, ns4.myhostadmin.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ntac.cn (unsigned zone)

⏱️ Timing

Total: 1327ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`ns6.myhostadmin.net, ns2.myhostadmin.net...`
SOA	1	`ns1.myhostadmin.net dnsconct.myhostadmin`

Analysis

Name Servers

ntac.cn has 6 name servers — ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net and 3 others.

At least some of ntac.cn's name servers are shared with other domains, for example jwii.cn, visionbase.cn, zasc.org and two more.

These name servers tend to co-occur with ns4.myhostadmin.net, ns5.myhostadmin.net, ns6.myhostadmin.net and 6 other name servers in the same DNS delegations.

Hosts pointing to four IP addresses:

ns1.myhostadmin.net directs to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.

Hosts with three IP address records:

ns3.myhostadmin.net resolves to 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.

ns4.myhostadmin.net resolves to 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.

ns5.myhostadmin.net resolves to 61.172.183.73, 118.123.249.114 and 240e:d9:c200::2.

ns6.myhostadmin.net resolves to 60.247.150.13, 118.123.253.132 and 240e:d9:c200:1::2.

ns1.myhostadmin.net, ns3.myhostadmin.net and ns5.myhostadmin.net all direct to 240e:d9:c200::2.

ns1.myhostadmin.net, ns3.myhostadmin.net and ns5.myhostadmin.net all direct to 118.123.249.114.

ns1.myhostadmin.net, ns4.myhostadmin.net and ns6.myhostadmin.net all direct to 118.123.253.132.

The host names ns4.myhostadmin.net and ns6.myhostadmin.net both resolve to 240e:d9:c200:1::2 IP addresses.