`cz-book.com`

DNSSEC	⚠️ Not signed
A	38.38.178.136^{🇺🇸 PEGTECHINC38.38.128.0/18 PEG TECH INC}
NS	`a11.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	`b11.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=1769252366

`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=1774830817

Subdomains

www.cz-book.com

Same first word

cz-book.com

DNS History

8 records (5 active, 3 former)

●NSa.share-dns.com2026-03-06 → 2026-03-30 · 3 obs

○ 2019-04-19 16:54:58
● 2026-03-06 15:57:08
● 2026-03-30 00:36:08

●NSa11.share-dns.com2026-03-06 → 2026-03-30 · 3 obs

○ 2019-04-19 16:54:58
● 2026-03-06 15:57:08
● 2026-03-30 00:36:08

●NSb.share-dns.net2026-03-06 → 2026-03-30 · 3 obs

○ 2019-04-19 16:54:58
● 2026-03-06 15:57:08
● 2026-03-30 00:36:08

●NSb11.share-dns.net2026-03-06 → 2026-03-30 · 3 obs

○ 2019-04-19 16:54:58
● 2026-03-06 15:57:08
● 2026-03-30 00:36:08

○NSjm1.dns.com2019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 16:54:58
○ 2026-03-06 15:57:08
○ 2026-03-30 00:36:08

○NSjm2.dns.com2019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 16:54:58
○ 2026-03-06 15:57:08
○ 2026-03-30 00:36:08

○A156.232.213.1302019-04-19 → 2019-04-19 · 3 obs

● 2019-04-19 16:54:58
○ 2026-03-06 15:57:08
○ 2026-03-30 00:36:08

●A38.38.178.1362026-03-06 → 2026-03-30 · 3 obs

○ 2019-04-19 16:54:58
● 2026-03-06 15:57:08
● 2026-03-30 00:36:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
cz-book.com	b11.share-dns.net, a11.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b11.share-dns.net, a11.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cz-book.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.38.178.136`
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 (a11.share-dns.com)

Analysis

Hierarchy

cz-book.com is the parent of www.cz-book.com.

IP Addresses

cz-book.com points to IP number 38.38.178.136.

Other host names include www.cz-book.com, cbbapreviews.com, hi-la.com and www.cbbapreviews.com that share IP numbers with cz-book.com.

Name Servers

cz-book.com is delegated to four name servers: a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.

cz-book.com shares name servers with other domains at least partially, for example gzyadoo.cn, shlengtai.com, zh-enter-kaiyunapp.com, 17tax.com and pc-pet.net.