`tchengc.com`

DNSSEC	⚠️ Not signed
NS	`ns1.julydns.com`
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns2.julydns.com`
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-48-223.defastlink.net`

`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=1771291435

Same first word

tchengc.com

Similar names

chengtc.cn

genhtcc.com

ngctech.com

DNS History

6 records (2 active, 4 former)

○NSdns25.hichina.com2015-06-23 → 2016-09-14 · 4 obs

● 2015-06-23 14:24:02
● 2016-09-14 14:26:40
○ 2026-02-16 15:45:26
○ 2026-03-20 06:45:50

○NSdns26.hichina.com2015-06-23 → 2016-09-14 · 4 obs

● 2015-06-23 14:24:02
● 2016-09-14 14:26:40
○ 2026-02-16 15:45:26
○ 2026-03-20 06:45:50

●NSns1.julydns.com2026-02-16 → 2026-03-20 · 3 obs

○ 2016-09-14 14:26:40
● 2026-02-16 15:45:26
● 2026-03-20 06:45:50

●NSns2.julydns.com2026-02-16 → 2026-03-20 · 3 obs

○ 2016-09-14 14:26:40
● 2026-02-16 15:45:26
● 2026-03-20 06:45:50

○MXsmx55.cn4e.com2015-06-23 → 2026-02-16 · 4 obs

● 2015-06-23 14:24:02
● 2026-02-16 15:45:26
○ 2026-03-10 10:55:34
○ 2026-03-20 06:45:50

○A219.239.95.132015-06-23 → 2026-02-16 · 4 obs

● 2015-06-23 14:24:02
● 2026-02-16 15:45:26
○ 2026-03-10 10:55:34
○ 2026-03-20 06:45:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tchengc.com	ns1.julydns.com, ns2.julydns.com	2 records

✅ Authoritative Response

Server: 47.97.51.45

NS records: ns1.julydns.com, ns2.julydns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tchengc.com (unsigned zone)

⏱️ Timing

Total: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)

Analysis

Name Servers

tchengc.com is delegated to two name servers: ns1.julydns.com and ns2.julydns.com.

tchengc.com uses the same name server setup as other domains, for instance chinaqy.com, wxserver.cn, cnyoyo.com, syyongshun.com and premierspaboutique.com.

tchengc.com shares name servers with other domains at least partially, for instance avicem.com, qingwan2023.cn, ibenfu.com, cncww.com and yese.mobi.

these name servers are commonly used together with ns1.judns.com and ns2.judns.com.

Host names with one IP number:

ns1.julydns.com points to: 47.97.51.45.

ns2.julydns.com points to: 162.159.48.223.

tchengc.com - robtex.com

tchengc.com

com