`4kuu.com`

DNSSEC	⚠️ Not signed
A	207.56.2.88^{🇺🇸 USZNI-AS-AP207.56.2.0/24}
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=1769598988

`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

Subdomains

www.4kuu.com

Same first word

4kuu.com

Similar names

uk4u.org

uk4u.me

uuk4.com

uu4k.com

uk4u.de

uk4u.com

ku4u.com

DNS History

8 records (5 active, 3 former)

○NSns.cdnhost.cn2015-05-24 → 2017-10-20 · 4 obs

● 2015-05-24 10:51:28
● 2017-10-20 03:47:40
○ 2026-02-19 11:31:48
○ 2026-03-01 14:36:40

○NSns.dnsfamily.com2015-05-24 → 2017-10-20 · 4 obs

● 2015-05-24 10:51:28
● 2017-10-20 03:47:40
○ 2026-02-19 11:31:48
○ 2026-03-01 14:36:40

●NSns1.judns.com2026-02-19 → 2026-03-01 · 3 obs

○ 2017-10-20 03:47:40
● 2026-02-19 11:31:48
● 2026-03-01 14:36:40

●NSns1.julydns.com2026-02-19 → 2026-03-01 · 3 obs

○ 2017-10-20 03:47:40
● 2026-02-19 11:31:48
● 2026-03-01 14:36:40

●NSns2.judns.com2026-02-19 → 2026-03-01 · 3 obs

○ 2017-10-20 03:47:40
● 2026-02-19 11:31:48
● 2026-03-01 14:36:40

●NSns2.julydns.com2026-02-19 → 2026-03-01 · 3 obs

○ 2017-10-20 03:47:40
● 2026-02-19 11:31:48
● 2026-03-01 14:36:40

○A118.123.8.1862015-05-24 → 2017-10-20 · 4 obs

● 2015-05-24 10:51:28
● 2017-10-20 03:47:40
○ 2026-02-19 11:31:48
○ 2026-03-01 14:36:40

●A207.56.2.882026-02-19 → 2026-03-01 · 3 obs

○ 2017-10-20 03:47:40
● 2026-02-19 11:31:48
● 2026-03-01 14:36:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
4kuu.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 4kuu.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.56.2.88`
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

Hierarchy

4kuu.com is the parent of www.4kuu.com.

IP Addresses

4kuu.com resolves to one IP number: 207.56.2.88.

Other host names, for instance www.4kuu.com, share IP numbers with 4kuu.com.

Name Servers

4kuu.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

4kuu.com at least partially shares name servers with other domains, for instance lfqianxi.com, niuaotao.com, sdjtx.cn, xdrating.com and sjzypqm.com.