`ycgcbio.com`

DNSSEC	⚠️ Not signed
A	156.247.117.172^{🇧🇷 GNET-AS9294156.247.112.0/20}
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=1769078330

`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=1774413007

Subdomains

www.ycgcbio.com

read.ycgcbio.com

Same first word

ycgcbio.com

DNS History

9 records (5 active, 4 former)

●NSa.share-dns.com2026-03-23 → 2026-03-25 · 3 obs

○ 2017-10-21 02:42:54
● 2026-03-23 21:52:52
● 2026-03-25 04:45:56

●NSa4.share-dns.com2026-03-23 → 2026-03-25 · 3 obs

○ 2017-10-21 02:42:54
● 2026-03-23 21:52:52
● 2026-03-25 04:45:56

●NSb.share-dns.net2026-03-23 → 2026-03-25 · 3 obs

○ 2017-10-21 02:42:54
● 2026-03-23 21:52:52
● 2026-03-25 04:45:56

●NSb4.share-dns.net2026-03-23 → 2026-03-25 · 3 obs

○ 2017-10-21 02:42:54
● 2026-03-23 21:52:52
● 2026-03-25 04:45:56

○NSdns.bizcn.com2016-12-18 → 2017-10-21 · 4 obs

● 2016-12-18 17:48:06
● 2017-10-21 02:42:54
○ 2026-03-23 21:52:52
○ 2026-03-25 04:45:56

○NSns7.cnmsn.net2016-12-18 → 2017-10-21 · 4 obs

● 2016-12-18 17:48:06
● 2017-10-21 02:42:54
○ 2026-03-23 21:52:52
○ 2026-03-25 04:45:56

○NSns8.cnmsn.net2016-12-18 → 2017-10-21 · 4 obs

● 2016-12-18 17:48:06
● 2017-10-21 02:42:54
○ 2026-03-23 21:52:52
○ 2026-03-25 04:45:56

●A156.247.117.1722026-03-23 → 2026-03-25 · 3 obs

○ 2017-10-21 02:42:54
● 2026-03-23 21:52:52
● 2026-03-25 04:45:56

○A210.209.72.1542016-12-18 → 2017-10-21 · 4 obs

● 2016-12-18 17:48:06
● 2017-10-21 02:42:54
○ 2026-03-23 21:52:52
○ 2026-03-25 04:45:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
ycgcbio.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 ycgcbio.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.247.117.172`
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

ycgcbio.com is a parent of www.ycgcbio.com and read.ycgcbio.com.

IP Addresses

ycgcbio.com points to IP number: 156.247.117.172.

Name Servers

ycgcbio.com is delegated to four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.

ycgcbio.com at least partially shares name servers with other domains, for instance squirrelsuper.com, t3bhk.com, bjjhfc.com, gxjh11.com and pearlhaya.com.