`cyybk.com`

DNSSEC	⚠️ Not signed
A	154.220.61.141^{🇭🇰 POWERLINE-HK154.220.32.0/19 Digital Core Technology Co., Ltd}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-251.defastlink.net`
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1768680490

`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

cyybk.cn

cyybk.com

Similar names

cbyyk.com

yybkc.biz

bycky.com

DNS History

9 records (5 active, 4 former)

○NSdns10.hichina.com2016-12-14 → 2017-09-03 · 4 obs

● 2016-12-14 07:01:30
● 2017-09-03 15:17:28
○ 2026-03-05 20:36:56
○ 2026-03-24 03:43:04

○NSdns9.hichina.com2016-12-14 → 2017-09-03 · 4 obs

● 2016-12-14 07:01:30
● 2017-09-03 15:17:28
○ 2026-03-05 20:36:56
○ 2026-03-24 03:43:04

●NSns1.judns.com2026-03-05 → 2026-03-24 · 3 obs

○ 2017-09-03 15:17:28
● 2026-03-05 20:36:56
● 2026-03-24 03:43:04

●NSns1.julydns.com2026-03-05 → 2026-03-24 · 3 obs

○ 2017-09-03 15:17:28
● 2026-03-05 20:36:56
● 2026-03-24 03:43:04

●NSns2.judns.com2026-03-05 → 2026-03-24 · 3 obs

○ 2017-09-03 15:17:28
● 2026-03-05 20:36:56
● 2026-03-24 03:43:04

●NSns2.julydns.com2026-03-05 → 2026-03-24 · 3 obs

○ 2017-09-03 15:17:28
● 2026-03-05 20:36:56
● 2026-03-24 03:43:04

○A121.42.117.1382016-12-14 → 2017-09-03 · 4 obs

● 2016-12-14 07:01:30
● 2017-09-03 15:17:28
○ 2026-03-05 20:36:56
○ 2026-03-24 03:43:04

●A154.220.61.1412026-03-05 → 2026-03-24 · 3 obs

○ 2017-09-03 15:17:28
● 2026-03-05 20:36:56
● 2026-03-24 03:43:04

○A154.220.61.1582026-03-05 → 2026-03-24 · 2 obs

○ 2026-03-05 20:36:56
○ 2026-03-24 03:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
cyybk.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cyybk.com (unsigned zone)

⏱️ Timing

Total: 403ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.220.61.141`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

IP Addresses

cyybk.com points to a single IP number: 154.220.61.141.

Name Servers

cyybk.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

cyybk.com shares name servers with other domains at least partially, for instance tadgkj.com, cncomac.com, lanqiuzhibowang.top, okaqsco.cn and bmaigc.com.