`yingcaischool.com`

DNSSEC	⚠️ Not signed
A	154.92.47.153^{🇭🇰 POWERLINE-HK154.92.32.0/19 Digital Core Technology Co., Ltd}
NS	`a4.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	`b4.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=1761998663

`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=1785802712

Subdomains

www.yingcaischool.com

Same first word

yingcaischool.com

DNS History

8 records (5 active, 3 former)

●NSa.share-dns.com2026-04-09 → 2026-08-04 · 3 obs

○ 2016-07-13 05:23:24
● 2026-04-09 05:30:34
● 2026-08-04 00:21:40

●NSa4.share-dns.com2026-04-09 → 2026-08-04 · 3 obs

○ 2016-07-13 05:23:24
● 2026-04-09 05:30:34
● 2026-08-04 00:21:40

●NSb.share-dns.net2026-04-09 → 2026-08-04 · 3 obs

○ 2016-07-13 05:23:24
● 2026-04-09 05:30:34
● 2026-08-04 00:21:40

●NSb4.share-dns.net2026-04-09 → 2026-08-04 · 3 obs

○ 2016-07-13 05:23:24
● 2026-04-09 05:30:34
● 2026-08-04 00:21:40

○NSf1g1ns1.dnspod.net2015-07-12 → 2016-07-13 · 4 obs

● 2015-07-12 13:19:02
● 2016-07-13 05:23:24
○ 2026-04-09 05:30:34
○ 2026-08-04 00:21:40

○NSf1g1ns2.dnspod.net2015-07-12 → 2016-07-13 · 4 obs

● 2015-07-12 13:19:02
● 2016-07-13 05:23:24
○ 2026-04-09 05:30:34
○ 2026-08-04 00:21:40

○A121.42.106.382015-07-12 → 2017-03-29 · 4 obs

● 2015-07-12 13:19:02
● 2017-03-29 04:33:22
○ 2026-04-09 05:30:34
○ 2026-08-04 00:21:40

●A154.92.47.1532026-04-09 → 2026-08-04 · 3 obs

○ 2017-03-29 04:33:22
● 2026-04-09 05:30:34
● 2026-08-04 00:21:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
yingcaischool.com	b4.share-dns.net, a4.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b4.share-dns.net, a4.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yingcaischool.com (unsigned zone)

⏱️ Timing

Total: 433ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.92.47.153`
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 (a4.share-dns.com)

Analysis

Hierarchy

yingcaischool.com is the parent zone for www.yingcaischool.com.

IP Addresses

yingcaischool.com points to a single IP number: 154.92.47.153.

Among the host names that share IP numbers with yingcaischool.com is www.yingcaischool.com, as one example.

Name Servers

yingcaischool.com has four authoritative name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.

yingcaischool.com partially shares its NS delegation with several other domains, including cyzl8.com, scmsg.com, jbyjy.com and two others.

In DNS configurations, these name servers often share authority with a11.share-dns.com, b11.share-dns.net, a10.share-dns.com and 7 other name servers.

a4.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b4.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.

a4.share-dns.com and a.share-dns.com each have 172.64.53.25 IP addresses.

b4.share-dns.net and b.share-dns.net each have 172.64.52.239 IP addresses.

yingcaischool.com - robtex.com