`tztek.com`

DNSSEC	⚠️ Not signed
A	47.110.51.251^{🇨🇳 Alibaba-Cloud47.110.0.0/16}
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 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	`qiye163mx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`qiye163mx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
TXT	`MS=ms83581863`
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-09 #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=1774691507

Same first word

tztek.com

tztek.co.kr

Similar names

tekzt.com

ekztt.com

zetkt.com

ktzte.cn

eztkt.com

zttek.com

tkezt.org

DNS History

9 records (5 active, 4 former)

●NSdns15.hichina.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-06-02 23:06:42
● 2026-03-28 10:09:30

●NSdns16.hichina.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-06-02 23:06:42
● 2026-03-28 10:09:30

○NSns1.dns.com.cn2015-08-06 → 2016-06-02 · 3 obs

● 2015-08-06 12:25:14
● 2016-06-02 23:06:42
○ 2026-03-28 10:09:30

○NSns2.dns.com.cn2015-08-06 → 2016-06-02 · 3 obs

● 2015-08-06 12:25:14
● 2016-06-02 23:06:42
○ 2026-03-28 10:09:30

●MXqiye163mx01.mxmail.netease.com2015-08-06 → 2026-03-28 · 2 obs

● 2015-08-06 12:25:14
● 2026-03-28 10:09:30

●MXqiye163mx02.mxmail.netease.com2015-08-06 → 2026-03-28 · 2 obs

● 2015-08-06 12:25:14
● 2026-03-28 10:09:30

○A114.80.156.572015-08-06 → 2015-08-06 · 3 obs

● 2015-08-06 12:25:14
○ 2017-02-09 01:15:26
○ 2026-03-28 10:09:30

○A120.26.88.2242016-02-26 → 2017-02-09 · 4 obs

○ 2015-08-06 12:25:14
● 2016-02-26 23:52:00
● 2017-02-09 01:15:26
○ 2026-03-28 10:09:30

●A47.110.51.2512026-03-28 → 2026-03-28 · 2 obs

○ 2017-02-09 01:15:26
● 2026-03-28 10:09:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
tztek.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tztek.com (unsigned zone)

⏱️ Timing

Total: 569ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.110.51.251`
NS	2	`dns16.hichina.com, dns15.hichina.com`
MX	2	`qiye163mx02.mxmail.netease.com (pri: 10), qiye163mx01.mxmail.netease.com (pri: 5)`
TXT	2	`MS=ms83581863, v=spf1 include:spf.163.com -all`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

IP Addresses

tztek.com resolves to a single IP address: 47.110.51.251.

Name Servers

tztek.com's delegation uses two name servers, dns15.hichina.com and dns16.hichina.com.

tztek.com shares the same name server setup as other domains, for example feiblee.com, tuonaite.com, taoob.cn, sheeryi.com and 100trans.com.

tztek.com at least partially shares name servers with other domains, including petdou.com, bet123.net, ximutou.com, abcbo.com and agfg.cn.