`sinobook.net.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.sfn.cn` ⭐
		A	111.63.77.29^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
NS	`ns2.sfn.cn`
		A	101.37.119.99^{🇨🇳 Alibaba-Cloud101.37.0.0/17}
		A	111.63.77.30^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
MX	218.241.235.182 ⭐
SOA	`ns1.sfn.cn`root@ns1.sfn.cn 2026-03-13 #19

`net.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2028145526

WOT: SUSPICIOUS (55/100)

Same first word

sinobook.com.cn

sinobook.cn

sinobook.net.cn

sinobook.ru

Similar names

niosbook.com

niobooks.in

DNS History

7 records (3 active, 4 former)

●NSns1.sfn.cn2015-11-02 → 2026-03-29 · 3 obs

○ 2015-06-11 20:57:32
● 2015-11-02 17:43:30
● 2026-03-29 13:59:06

●NSns2.sfn.cn2015-11-02 → 2026-03-29 · 3 obs

○ 2015-06-11 20:57:32
● 2015-11-02 17:43:30
● 2026-03-29 13:59:06

○NSns3.sanfront.com.cn2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 20:57:32
○ 2015-11-02 17:43:30
○ 2026-03-29 13:59:06

○NSns5.sanfront.com.cn2015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 20:57:32
○ 2015-11-02 17:43:30
○ 2026-03-29 13:59:06

●MX218.241.235.1822015-06-11 → 2026-03-29 · 5 obs

● 2015-06-11 20:57:32
○ 2015-11-02 17:43:30
○ 2017-04-25 00:29:32
● 2026-02-22 04:15:46
● 2026-03-29 13:59:06

○MX218.241.235.1822015-11-02 → 2017-04-25 · 5 obs

○ 2015-06-11 20:57:32
● 2015-11-02 17:43:30
● 2017-04-25 00:29:32
○ 2026-02-22 04:15:46
○ 2026-03-29 13:59:06

○A218.241.235.1602015-06-11 → 2026-02-26 · 4 obs

● 2015-06-11 20:57:32
● 2026-02-26 01:37:52
○ 2026-03-13 13:47:56
○ 2026-03-29 13:59:06

🔍 DNS Trace

Analysis

Name Servers

Two name servers ns1.sfn.cn and ns2.sfn.cn are delegated to sinobook.net.cn.

sinobook.net.cn uses the same name server configuration as other domains, such as hnst.gov.cn, ldc.com.cn, cryo.ac.cn, rigm.ac.cn and cifco.net.cn.

sinobook.net.cn at least partially shares name servers with other domains, including ecsponline.com, mirslab.ac.cn and bphg.com.cn.

Host names by IP count:

Two IP numbers: The host name ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.

One IP number: The host name ns1.sfn.cn points to 111.63.77.29.

Mail Servers

sinobook.net.cn is handled by a single mail server, 218.241.235.182.

sinobook.net.cn - robtex.com

sinobook.net.cn

net.cn