`ibookku.com`

DNSSEC	⚠️ Not signed
A	119.8.121.190^{🇭🇰 HWCSNET119.8.96.0/19 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04}
		PTR	`ecs-119-8-121-190.compute.hwclouds-dns.com`
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
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}
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}
SOA	`ns1.julydns.com`master@jmdns.com serial=1727061036

`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=1776040182

Subdomains

www.ibookku.com

Same first word

ibookku.com

Similar names

bokukoi.net

bokuoki.com

ikkobou.sakura.ne.jp

koikubo.com

ukikobo.com

kubooki.com

DNS History

9 records (5 active, 4 former)

○NSdns10.hichina.com2016-09-08 → 2020-04-13 · 4 obs

● 2016-09-08 12:04:50
● 2020-04-13 05:41:58
○ 2026-03-06 11:14:34
○ 2026-04-13 00:36:16

○NSdns9.hichina.com2016-09-08 → 2020-04-13 · 4 obs

● 2016-09-08 12:04:50
● 2020-04-13 05:41:58
○ 2026-03-06 11:14:34
○ 2026-04-13 00:36:16

●NSns1.judns.com2026-03-06 → 2026-04-13 · 3 obs

○ 2020-04-13 05:41:58
● 2026-03-06 11:14:34
● 2026-04-13 00:36:16

●NSns1.julydns.com2026-03-06 → 2026-04-13 · 3 obs

○ 2020-04-13 05:41:58
● 2026-03-06 11:14:34
● 2026-04-13 00:36:16

●NSns2.judns.com2026-03-06 → 2026-04-13 · 3 obs

○ 2020-04-13 05:41:58
● 2026-03-06 11:14:34
● 2026-04-13 00:36:16

●NSns2.julydns.com2026-03-06 → 2026-04-13 · 3 obs

○ 2020-04-13 05:41:58
● 2026-03-06 11:14:34
● 2026-04-13 00:36:16

●A119.8.121.1902026-03-06 → 2026-04-13 · 3 obs

○ 2020-04-13 05:41:58
● 2026-03-06 11:14:34
● 2026-04-13 00:36:16

○A43.254.53.1512017-04-20 → 2020-04-13 · 5 obs

○ 2016-09-08 12:04:50
● 2017-04-20 11:50:34
● 2020-04-13 05:41:58
○ 2026-03-06 11:14:34
○ 2026-04-13 00:36:16

○A43.254.53.1772016-09-08 → 2016-09-08 · 3 obs

● 2016-09-08 12:04:50
○ 2017-04-20 11:50:34
○ 2026-04-13 00:36:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net...	-
ibookku.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:47.97.51.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ibookku.com (unsigned zone)

⏱️ Timing

Total: 487ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`119.8.121.190`
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

www.ibookku.com has ibookku.com as its parent.

IP Addresses

ibookku.com maps to IP address 119.8.121.190.

Other host names for instance www.ibookku.com and zhaofangshui.com share IP numbers with ibookku.com.

Name Servers

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

ibookku.com at least partially shares name servers with other domains such as 10106688.com, officewx.com, tglsoft.cn, lvtzj.cn and bjwlht.com.