`jck56.com`

DNSSEC	⚠️ Not signed
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}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`a5.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}
			PTR	`ip-172-64-53-25.defastlink.net`
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}
			PTR	`ip-172-64-52-239.defastlink.net`
NS	`b5.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}
			PTR	`ip-172-64-52-239.defastlink.net`

`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=1771291435

Same first word

jck56.com

DNS History

12 records (4 active, 8 former)

●NSa.share-dns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2020-01-15 10:53:00
● 2026-03-24 06:36:14
● 2026-03-24 06:36:16

●NSa5.share-dns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2020-01-15 10:53:00
● 2026-03-24 06:36:14
● 2026-03-24 06:36:16

●NSb.share-dns.net2026-03-24 → 2026-03-24 · 3 obs

○ 2020-01-15 10:53:00
● 2026-03-24 06:36:14
● 2026-03-24 06:36:16

●NSb5.share-dns.net2026-03-24 → 2026-03-24 · 3 obs

○ 2020-01-15 10:53:00
● 2026-03-24 06:36:14
● 2026-03-24 06:36:16

○NSdns10.hichina.com2020-01-15 → 2020-01-15 · 4 obs

○ 2017-03-19 11:23:34
● 2020-01-15 10:53:00
○ 2026-03-24 06:36:14
○ 2026-03-24 06:36:16

○NSdns25.hichina.com2015-08-11 → 2017-03-19 · 4 obs

● 2015-08-11 20:12:20
● 2017-03-19 11:23:34
○ 2020-01-15 10:53:00
○ 2026-03-24 06:36:16

○NSdns26.hichina.com2015-08-11 → 2017-03-19 · 4 obs

● 2015-08-11 20:12:20
● 2017-03-19 11:23:34
○ 2020-01-15 10:53:00
○ 2026-03-24 06:36:16

○NSdns9.hichina.com2020-01-15 → 2020-01-15 · 4 obs

○ 2017-03-19 11:23:34
● 2020-01-15 10:53:00
○ 2026-03-24 06:36:14
○ 2026-03-24 06:36:16

○MXmxbiz1.qq.com2015-08-11 → 2017-03-19 · 4 obs

● 2015-08-11 20:12:20
● 2017-03-19 11:23:34
○ 2020-01-15 10:53:00
○ 2026-03-24 06:36:16

○MXmxbiz2.qq.com2015-08-11 → 2017-03-19 · 4 obs

● 2015-08-11 20:12:20
● 2017-03-19 11:23:34
○ 2020-01-15 10:53:00
○ 2026-03-24 06:36:16

○A103.209.232.202020-01-15 → 2020-01-15 · 4 obs

○ 2017-03-19 11:23:34
● 2020-01-15 10:53:00
○ 2026-03-24 06:36:14
○ 2026-03-24 06:36:16

○A112.126.212.832015-08-11 → 2017-03-19 · 4 obs

● 2015-08-11 20:12:20
● 2017-03-19 11:23:34
○ 2020-01-15 10:53:00
○ 2026-03-24 06:36:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jck56.com	b5.share-dns.net, a5.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b5.share-dns.net, a5.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jck56.com (unsigned zone)

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.share-dns.com, b.share-dns.net`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a5.share-dns.com)

Analysis

Name Servers

jck56.com is delegated to four name servers: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.

jck56.com at least partially shares name servers with other domains, for example eia-cn.net, boraball.com, dadaacc.com, qdlongtai.com and 278811.com.