itcast.com - dns.ninja

`itcast.com`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 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,}
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1786727499

Subdomains

www.itcast.com

Same first word

itcast.de

itcast.ir

itcast.org

itcast.com.br

itcast.com.cn

itcast.fr

itcast.com

itcast.cn

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DNS History

12 records (3 active, 9 former)

●NSdns19.hichina.com2020-01-21 → 2026-08-14 · 3 obs

○ 2018-04-21 10:45:36
● 2020-01-21 06:17:34
● 2026-08-14 17:37:30

●NSdns20.hichina.com2020-01-21 → 2026-08-14 · 3 obs

○ 2018-04-21 10:45:36
● 2020-01-21 06:17:34
● 2026-08-14 17:37:30

○NSf1g1ns1.dnspod.net2015-08-28 → 2018-04-21 · 5 obs

○ 2007-10-23 20:15:46
● 2015-08-28 00:53:14
● 2018-04-21 10:45:36
○ 2020-01-21 06:17:34
○ 2026-08-14 17:37:30

○NSf1g1ns2.dnspod.net2015-08-28 → 2018-04-21 · 5 obs

○ 2007-10-23 20:15:46
● 2015-08-28 00:53:14
● 2018-04-21 10:45:36
○ 2020-01-21 06:17:34
○ 2026-08-14 17:37:30

○NSns1.sedoparking.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 20:15:46
○ 2015-08-28 00:53:14
○ 2026-08-14 17:37:30

○NSns2.sedoparking.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 20:15:46
○ 2015-08-28 00:53:14
○ 2026-08-14 17:37:30

○A119.28.48.2282015-08-28 → 2016-10-04 · 13 obs

○ 2007-10-23 20:15:46
● 2015-08-28 00:53:14
● 2015-09-15 05:50:48
○ 2015-09-24 23:23:58
● 2015-09-30 23:40:34
● 2015-12-09 21:07:10
○ 2015-12-12 21:49:08
○ 2016-01-04 09:15:20
● 2016-04-01 17:34:38
○ 2016-07-15 21:58:52
● 2016-10-04 13:55:28
○ 2017-07-18 02:59:50
○ 2026-08-14 17:37:30

○A119.28.48.2292015-09-24 → 2016-07-15 · 10 obs

○ 2015-09-15 05:50:48
● 2015-09-24 23:23:58
○ 2015-09-30 23:40:34
○ 2015-12-09 21:07:10
● 2015-12-12 21:49:08
● 2016-01-04 09:15:20
○ 2016-04-01 17:34:38
● 2016-07-15 21:58:52
○ 2016-10-04 13:55:28
○ 2026-08-14 17:37:30

○A203.107.43.1652020-01-21 → 2020-11-01 · 5 obs

○ 2017-07-18 02:59:50
● 2020-01-21 06:17:34
● 2020-11-01 03:55:22
○ 2026-02-18 10:17:14
○ 2026-08-14 17:37:30

●A203.107.45.1672026-02-18 → 2026-08-14 · 3 obs

○ 2020-11-01 03:55:22
● 2026-02-18 10:17:14
● 2026-08-14 17:37:30

○A82.98.86.1782007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 20:15:46
○ 2015-08-28 00:53:14
○ 2026-08-14 17:37:30

○CNAMEdnspod-free.mydnspod.net2015-08-28 → 2018-04-21 · 5 obs

○ 2007-10-23 20:15:46
● 2015-08-28 00:53:14
● 2018-04-21 10:45:36
○ 2020-01-21 06:17:34
○ 2026-08-14 17:37:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
itcast.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itcast.com (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.107.45.167`
NS	2	`dns20.hichina.com, dns19.hichina.com`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

Hierarchy

www.itcast.com is delegated beneath itcast.com.

IP Addresses

itcast.com directs to one IP number, which is 203.107.45.167.

Among the host names that share IP numbers with itcast.com are www.svs.cn, ccegroup.cn, nnyfjc.com and two others.

Name Servers

itcast.com uses two name servers for its delegation: dns19.hichina.com and dns20.hichina.com.

itcast.com has the same name server delegation as a number of other domains, such as musicnpo.com, yltzs.com, chenhaokeji.com and two more.

There is at least partial name server overlap between itcast.com and other domains — iwxm.net, qpmt.com, gewai.net and two more among them.

These name servers frequently co-occur with the name servers ns1.alidns.com and ns2.alidns.com.

Host names resolving to 9 IP numbers:

Hostname dns19.hichina.com directs to 39.96.153.40, 39.96.153.60 and 47.118.199.200 along with 6 other IP addresses.

Hostname dns20.hichina.com directs to 39.96.153.38, 39.96.153.61 and 47.118.199.198 along with 6 other IP addresses.