cz-jbc.com - robtex.com

cz-jbc.com

DNSSEC⚠️ Not signed
A38.173.72.97🇺🇸 AS39899338.173.64.0/20 PEG TECH INC
NSa8.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb8.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1751286200

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775113972

Same first word

cz-jbc.com

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma8.share-dns.comb.share-dns.netb8.share-dns.neta.dnspod.comb.dnspod.comc.dnspod.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netjuming.dnsdun.comjuming.dnsdun.netA38.173.72.97116.213.40.173122.10.71.1645.34.94.22567.23.229.221
○NSa.dnspod.com2018-08-12 → 2018-08-12 · 4 obs
○ 2017-01-17 15:25:08
● 2018-08-12 19:29:26
○ 2026-02-28 01:54:16
○ 2026-04-02 07:42:50
●NSa.share-dns.com2026-02-28 → 2026-04-02 · 3 obs
○ 2018-08-12 19:29:26
● 2026-02-28 01:54:16
● 2026-04-02 07:42:50
●NSa8.share-dns.com2026-02-28 → 2026-04-02 · 3 obs
○ 2018-08-12 19:29:26
● 2026-02-28 01:54:16
● 2026-04-02 07:42:50
○NSb.dnspod.com2018-08-12 → 2018-08-12 · 4 obs
○ 2017-01-17 15:25:08
● 2018-08-12 19:29:26
○ 2026-02-28 01:54:16
○ 2026-04-02 07:42:50
●NSb.share-dns.net2026-02-28 → 2026-04-02 · 3 obs
○ 2018-08-12 19:29:26
● 2026-02-28 01:54:16
● 2026-04-02 07:42:50
●NSb8.share-dns.net2026-02-28 → 2026-04-02 · 3 obs
○ 2018-08-12 19:29:26
● 2026-02-28 01:54:16
● 2026-04-02 07:42:50
○NSc.dnspod.com2018-08-12 → 2018-08-12 · 4 obs
○ 2017-01-17 15:25:08
● 2018-08-12 19:29:26
○ 2026-02-28 01:54:16
○ 2026-04-02 07:42:50
○NSf1g1ns1.dnspod.net2016-04-11 → 2017-01-17 · 5 obs
○ 2016-01-31 08:42:06
● 2016-04-11 00:16:56
● 2017-01-17 15:25:08
○ 2018-08-12 19:29:26
○ 2026-04-02 07:42:50
○NSf1g1ns2.dnspod.net2016-04-11 → 2017-01-11 · 5 obs
○ 2016-01-31 08:42:06
● 2016-04-11 00:16:56
● 2017-01-11 04:43:36
○ 2018-08-12 19:29:26
○ 2026-04-02 07:42:50
○NSjuming.dnsdun.com2015-09-03 → 2016-01-31 · 4 obs
● 2015-09-03 18:11:54
● 2016-01-31 08:42:06
○ 2016-04-11 00:16:56
○ 2026-04-02 07:42:50
○NSjuming.dnsdun.net2015-09-03 → 2016-01-31 · 4 obs
● 2015-09-03 18:11:54
● 2016-01-31 08:42:06
○ 2016-04-11 00:16:56
○ 2026-04-02 07:42:50
○A116.213.40.1732016-04-11 → 2016-12-01 · 5 obs
○ 2016-03-05 22:13:56
● 2016-04-11 00:16:56
● 2016-12-01 10:16:28
○ 2018-08-12 19:29:26
○ 2026-04-02 07:42:50
○A122.10.71.162018-08-12 → 2018-08-12 · 4 obs
○ 2016-12-01 10:16:28
● 2018-08-12 19:29:26
○ 2026-02-28 01:54:16
○ 2026-04-02 07:42:50
●A38.173.72.972026-02-28 → 2026-04-02 · 3 obs
○ 2018-08-12 19:29:26
● 2026-02-28 01:54:16
● 2026-04-02 07:42:50
○A45.34.94.2252015-09-03 → 2016-01-31 · 4 obs
● 2015-09-03 18:11:54
● 2016-01-31 08:42:06
○ 2016-03-05 22:13:56
○ 2026-04-02 07:42:50
○A67.23.229.2212016-03-05 → 2016-03-05 · 4 obs
○ 2016-01-31 08:42:06
● 2016-03-05 22:13:56
○ 2016-04-11 00:16:56
○ 2026-04-02 07:42:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...-
cz-jbc.comb8.share-dns.net, a8.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b8.share-dns.net, a8.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

TypeCountSample Data
A138.173.72.97
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a8.share-dns.com)

Analysis

IP Addresses

cz-jbc.com points to a single IP number: 38.173.72.97.

Name Servers

cz-jbc.com is delegated to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.

cz-jbc.com at least partially shares name servers with other domains, for instance inf-automation.com, fsgb-tex.com, yuxiwy.com, hzdcsp.com and jsyuanhua.com.

These name servers are often used together with the name servers a1.share-dns.com, b1.share-dns.net, a6.share-dns.com, b6.share-dns.net, a3.share-dns.com, b3.share-dns.net, a5.share-dns.com, b5.share-dns.net, a7.share-dns.com and b7.share-dns.net.

Host names with one IP:

a8.share-dns.com points to 172.64.53.25.

a.share-dns.com points to 172.64.53.25.

b8.share-dns.net points to 172.64.52.239.

b.share-dns.net points to 172.64.52.239.

Hosts pointing to 172.64.53.25: a8.share-dns.com, a.share-dns.com.

Hosts pointing to 172.64.52.239: b8.share-dns.net, b.share-dns.net.