`yybiotech.com`

DNSSEC	⚠️ Not signed
A	156.234.145.213^{🇭🇰 YANCYLIMITED-AS-HK156.234.0.0/16 YANCY LIMITED}
NS	`a10.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	`b10.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=1732591291

`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=1774624217

Same first word

yybiotech.com

DNS History

12 records (5 active, 7 former)

●NSa.share-dns.com2026-02-19 → 2026-03-27 · 3 obs

○ 2017-05-18 11:08:08
● 2026-02-19 23:54:50
● 2026-03-27 15:23:06

●NSa10.share-dns.com2026-02-19 → 2026-03-27 · 3 obs

○ 2017-05-18 11:08:08
● 2026-02-19 23:54:50
● 2026-03-27 15:23:06

●NSb.share-dns.net2026-02-19 → 2026-03-27 · 3 obs

○ 2017-05-18 11:08:08
● 2026-02-19 23:54:50
● 2026-03-27 15:23:06

●NSb10.share-dns.net2026-02-19 → 2026-03-27 · 3 obs

○ 2017-05-18 11:08:08
● 2026-02-19 23:54:50
● 2026-03-27 15:23:06

○NSdns31.hichina.com2015-06-05 → 2016-09-20 · 4 obs

● 2015-06-05 15:48:28
● 2016-09-20 18:28:16
○ 2017-05-18 11:08:08
○ 2026-03-27 15:23:06

○NSdns32.hichina.com2015-06-05 → 2016-09-20 · 4 obs

● 2015-06-05 15:48:28
● 2016-09-20 18:28:16
○ 2017-05-18 11:08:08
○ 2026-03-27 15:23:06

○NSjuming.dnsdun.com2017-05-18 → 2017-05-18 · 4 obs

○ 2016-09-20 18:28:16
● 2017-05-18 11:08:08
○ 2026-02-19 23:54:50
○ 2026-03-27 15:23:06

○NSjuming.dnsdun.net2017-05-18 → 2017-05-18 · 4 obs

○ 2016-09-20 18:28:16
● 2017-05-18 11:08:08
○ 2026-02-19 23:54:50
○ 2026-03-27 15:23:06

○MXmxbiz1.qq.com2015-06-05 → 2016-09-20 · 4 obs

● 2015-06-05 15:48:28
● 2016-09-20 18:28:16
○ 2017-05-18 11:08:08
○ 2026-03-27 15:23:06

○MXmxbiz2.qq.com2015-06-05 → 2016-09-20 · 4 obs

● 2015-06-05 15:48:28
● 2016-09-20 18:28:16
○ 2017-05-18 11:08:08
○ 2026-03-27 15:23:06

○A122.10.74.2242017-05-18 → 2017-05-18 · 3 obs

● 2017-05-18 11:08:08
○ 2026-02-19 23:54:50
○ 2026-03-27 15:23:06

●A156.234.145.2132026-02-19 → 2026-03-27 · 3 obs

○ 2017-05-18 11:08:08
● 2026-02-19 23:54:50
● 2026-03-27 15:23:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
yybiotech.com	b10.share-dns.net, a10.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b10.share-dns.net, a10.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yybiotech.com (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.234.145.213`
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 (a10.share-dns.com)

Analysis

IP Addresses

yybiotech.com resolves to one IP number: 156.234.145.213.

Other host names for instance ysmlawfirm.com and mail.ysmlawfirm.com share IP numbers with yybiotech.com.

Name Servers

yybiotech.com delegates to four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.

yybiotech.com at least partially shares name servers with other domains, including 112253.com, xlswater.com, idealessaywriters.com, cabet665.com and addl.top.