`tc9k.com`

DNSSEC	⚠️ Not signed
NS	`dns13.hichina.com` ⭐
		A	2408:4009:501::21^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns14.hichina.com`
		A	2408:4009:501::22^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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,}
MX	`mail.tc9k.com` ⭐
		A	59.49.34.44^{🇨🇳 CHINANET-BACKBONE59.49.0.0/17 China Telecom Network}
			PTR	`44.34.49.59.broad.ty.sx.dynamic.163data.com.cn`
SOA	`dns13.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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=1784247257

Subdomains

mail.tc9k.com

Same first word

tc9k.com

Similar names

k9ct.us

ctk9.com

c9tk.com

DNS History

7 records (3 active, 4 former)

○NSdns10.hichina.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 18:54:46
○ 2018-01-12 07:28:20
○ 2026-07-17 00:23:14

●NSdns13.hichina.com2026-07-15 → 2026-07-17 · 3 obs

○ 2018-01-12 07:28:20
● 2026-07-15 18:52:52
● 2026-07-17 00:23:14

●NSdns14.hichina.com2026-07-15 → 2026-07-17 · 3 obs

○ 2018-01-12 07:28:20
● 2026-07-15 18:52:52
● 2026-07-17 00:23:14

○NSdns9.hichina.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 18:54:46
○ 2018-01-12 07:28:20
○ 2026-07-17 00:23:14

○NSvip1.alidns.com2018-01-12 → 2018-01-12 · 4 obs

○ 2016-12-18 18:54:46
● 2018-01-12 07:28:20
○ 2026-07-15 18:52:52
○ 2026-07-17 00:23:14

○NSvip2.alidns.com2018-01-12 → 2018-01-12 · 4 obs

○ 2016-12-18 18:54:46
● 2018-01-12 07:28:20
○ 2026-07-15 18:52:52
○ 2026-07-17 00:23:14

●MXmail.tc9k.com2016-12-18 → 2026-07-17 · 2 obs

● 2016-12-18 18:54:46
● 2026-07-17 00:23:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tc9k.com	dns13.hichina.com, dns14.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tc9k.com (unsigned zone)

⏱️ Timing

Total: 1370ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns13.hichina.com, dns14.hichina.com`
MX	1	`mail.tc9k.com (pri: 1)`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)

Analysis

Hierarchy

tc9k.com is the parent zone for mail.tc9k.com.

Name Servers

The NS records for tc9k.com delegate to dns13.hichina.com and dns14.hichina.com.

tc9k.com uses the same name servers as several other domains — among them rptk.cn, painting-machine.com, gxinz.top and two more.

tc9k.com partially shares its NS delegation with several other domains, including latitude.cn, sunwindy.cn, oat.ltd and two others.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Hostnames that resolve to 9 IP addresses:

dns13.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.

dns14.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.

Mail Servers

Mail for tc9k.com is handled by a single mail server, mail.tc9k.com.

mail.tc9k.com resolves to 59.49.34.44 and no other IP number.

tc9k.com - robtex.com

tc9k.com

com