`yangchengda.com`

DNSSEC	⚠️ Not signed
A	38.14.4.46^{🇺🇸 AS39847838.14.0.0/20}
NS	`a7.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b7.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1754376404

`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=1774458657

Subdomains

www.yangchengda.com

Same first word

yangchengda.com

DNS History

9 records (5 active, 4 former)

●NSa.share-dns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2017-08-17 11:28:54
● 2026-03-25 17:11:36
● 2026-03-25 17:11:38

●NSa7.share-dns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2017-08-17 11:28:54
● 2026-03-25 17:11:36
● 2026-03-25 17:11:38

●NSb.share-dns.net2026-03-25 → 2026-03-25 · 3 obs

○ 2017-08-17 11:28:54
● 2026-03-25 17:11:36
● 2026-03-25 17:11:38

●NSb7.share-dns.net2026-03-25 → 2026-03-25 · 3 obs

○ 2017-08-17 11:28:54
● 2026-03-25 17:11:36
● 2026-03-25 17:11:38

○NSdns.bizcn.com2016-12-14 → 2017-08-17 · 4 obs

● 2016-12-14 21:21:08
● 2017-08-17 11:28:54
○ 2026-03-25 17:11:36
○ 2026-03-25 17:11:38

○NSns7.cnmsn.net2016-12-14 → 2017-08-17 · 4 obs

● 2016-12-14 21:21:08
● 2017-08-17 11:28:54
○ 2026-03-25 17:11:36
○ 2026-03-25 17:11:38

○NSns8.cnmsn.net2016-12-14 → 2017-08-17 · 4 obs

● 2016-12-14 21:21:08
● 2017-08-17 11:28:54
○ 2026-03-25 17:11:36
○ 2026-03-25 17:11:38

○A103.231.107.1652016-12-14 → 2017-08-17 · 4 obs

● 2016-12-14 21:21:08
● 2017-08-17 11:28:54
○ 2026-03-25 17:11:36
○ 2026-03-25 17:11:38

●A38.14.4.462026-03-25 → 2026-03-25 · 3 obs

○ 2017-08-17 11:28:54
● 2026-03-25 17:11:36
● 2026-03-25 17:11:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
yangchengda.com	b7.share-dns.net, a7.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b7.share-dns.net, a7.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yangchengda.com (unsigned zone)

⏱️ Timing

Total: 102ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.14.4.46`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a7.share-dns.com)

Analysis

Hierarchy

yangchengda.com is the parent of www.yangchengda.com.

IP Addresses

yangchengda.com resolves to one IP number: 38.14.4.46.

other host names including link135.com, scchuangtou.com, seres-e.com, www.yangchengda.com and i0839.cn share IP numbers with yangchengda.com.

Name Servers

yangchengda.com is delegated to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.

yangchengda.com at least partially shares name servers with other domains, for instance heeong.com, centicero.com, emptysaddles.com, dauzaebe.com and cqcjjd.com.