`itbooks.cn`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-05-28 #9

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn 2035-06-09 #8

Same first word

itbooks.net

itbooks.de

itbooks.cn

itbooks.online

itbooks.com

itbooks.ru

Similar names

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kiboots.de

botoski.com

kiboots.com

boostik.com

skoobit.com

tibooks.com

stibook.com

boostik.ru

itsbook.com

bioktos.com

stibook.net

kobotis.net

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biskoto.gr

itsbook.es

koobits.com

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booskit.com

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biostok.ru

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bitsoko.co.ke

bokitos.com

biokost.com

tosbiko.com

koobits.com.ph

kiboots.nl

bookist.com

bootsik.ru

boostik.xyz

bootski.com

biokost.no

kobitos.com

istbook.com

bitsoko.com

kibotos.org

bookist.app

skiboot.com

biokost.net

bootski.net

sobotik.com

DNS History

9 records (2 active, 7 former)

○NSdns10.hichina.com2015-08-18 → 2020-01-10 · 4 obs

● 2015-08-18 09:32:34
● 2020-01-10 10:37:36
○ 2026-07-02 07:05:36
○ 2026-07-19 14:54:12

●NSdns31.hichina.com2026-07-02 → 2026-07-19 · 3 obs

○ 2020-01-10 10:37:36
● 2026-07-02 07:05:36
● 2026-07-19 14:54:12

●NSdns32.hichina.com2026-07-02 → 2026-07-19 · 3 obs

○ 2020-01-10 10:37:36
● 2026-07-02 07:05:36
● 2026-07-19 14:54:12

○NSdns9.hichina.com2015-08-18 → 2020-01-10 · 4 obs

● 2015-08-18 09:32:34
● 2020-01-10 10:37:36
○ 2026-07-02 07:05:36
○ 2026-07-19 14:54:12

○MXmx.sendcloud.org2015-12-08 → 2015-12-08 · 3 obs

● 2015-12-08 11:32:30
○ 2016-07-13 21:29:20
○ 2026-07-19 14:54:12

○A114.55.60.872016-07-13 → 2017-03-15 · 5 obs

○ 2015-12-08 11:32:30
● 2016-07-13 21:29:20
● 2017-03-15 07:16:00
○ 2020-01-10 10:37:36
○ 2026-07-19 14:54:12

○A118.244.163.2512015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 09:32:34
○ 2015-12-08 11:32:30
○ 2026-07-19 14:54:12

○A47.110.140.2322020-01-10 → 2020-01-10 · 4 obs

○ 2017-03-15 07:16:00
● 2020-01-10 10:37:36
○ 2026-07-02 07:05:36
○ 2026-07-19 14:54:12

○A59.188.246.952015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-18 09:32:34
● 2015-12-08 11:32:30
○ 2016-07-13 21:29:20
○ 2026-07-19 14:54:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
itbooks.cn	dns31.hichina.com, dns32.hichina.com	-

✅ Authoritative Response

Server:120.76.107.62

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itbooks.cn (unsigned zone)

⏱️ Timing

Total: 5501ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns32.hichina.com, dns31.hichina.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

itbooks.cn has two authoritative name servers — dns31.hichina.com and dns32.hichina.com.

The name server configuration of itbooks.cn is shared with other domains, for instance hxy39.cn, aquaone.cn, uucx.com and two others.

There is at least partial name server overlap between itbooks.cn and other domains — medio.cn, bestacargo.com, arcoder.com and two more among them.

These name servers frequently co-occur with the name servers ns1.alidns.com and ns2.alidns.com.

Hosts with 9 IP addresses each:

dns31.hichina.com points to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns32.hichina.com points to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

itbooks.cn - robtex.com

itbooks.cn

cn