`comprehend.com.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.alidns.com` ⭐
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 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	139.224.142.125^{🇨🇳 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	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 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	139.224.142.126^{🇨🇳 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,}
MX	`mx.ym.163.com` ⭐
		A	111.124.200.35^{🇨🇳 CHINANET-Guizhou-Guian-IDC111.124.192.0/19}
TXT	`v=spf1 include:spf.163.com ~all`
SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-05-28 #9

`com.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=2030693855

WOT: NOT_SAFE (20/100)

Same first word

comprehend.org

comprehend.it

comprehend.ca

comprehend.com.cn

comprehend.com

comprehend.nl

comprehend.in

comprehend.education

DNS History

7 records (3 active, 4 former)

●NSns1.alidns.com2026-02-20 → 2026-07-18 · 3 obs

○ 2017-01-08 18:46:48
● 2026-02-20 13:32:12
● 2026-07-18 22:15:46

○NSns1.sedoparking.com2015-11-07 → 2016-04-25 · 4 obs

● 2015-11-07 20:19:58
● 2016-04-25 06:55:56
○ 2017-01-08 18:46:48
○ 2026-07-18 22:15:46

●NSns2.alidns.com2026-02-20 → 2026-07-18 · 3 obs

○ 2017-01-08 18:46:48
● 2026-02-20 13:32:12
● 2026-07-18 22:15:46

○NSns2.sedoparking.com2015-11-07 → 2016-04-25 · 4 obs

● 2015-11-07 20:19:58
● 2016-04-25 06:55:56
○ 2017-01-08 18:46:48
○ 2026-07-18 22:15:46

○MXmail.nickstel.com2015-11-07 → 2016-04-25 · 4 obs

● 2015-11-07 20:19:58
● 2016-04-25 06:55:56
○ 2017-01-08 18:46:48
○ 2026-07-18 22:15:46

●MXmx.ym.163.com2026-02-20 → 2026-07-18 · 3 obs

○ 2017-01-08 18:46:48
● 2026-02-20 13:32:12
● 2026-07-18 22:15:46

○A72.52.4.912015-11-07 → 2016-04-25 · 4 obs

● 2015-11-07 20:19:58
● 2016-04-25 06:55:56
○ 2017-01-08 18:46:48
○ 2026-07-18 22:15:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
comprehend.com.cn	ns1.alidns.com, ns2.alidns.com	-

✅ Authoritative Response

Server:139.224.142.115

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comprehend.com.cn (unsigned zone)

⏱️ Timing

Total: 1701ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.alidns.com, ns1.alidns.com`
MX	1	`mx.ym.163.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com ~all`
SOA	1	`ns1.alidns.com hostmaster.hichina.com`

Analysis

Name Servers

comprehend.com.cn is served by two delegated name servers, ns1.alidns.com and ns2.alidns.com.

comprehend.com.cn shares its NS records with other domains, for example bf257170f1015.beer, payless.com.cn, jjjm88.com and two others.

At least some of comprehend.com.cn's name servers are shared with other domains, for example jcdn.com, hongbeilechina.com, 785585.com and two more.

These name servers tend to co-occur with ns7.alidns.com, ns8.alidns.com, dns17.hichina.com and 7 other name servers in the same DNS delegations.

DNS names with 9 IP addresses:

ns1.alidns.com carries IP addresses 39.96.153.45, 39.96.153.55 and 47.118.199.205, with 6 other addresses beyond those.

ns2.alidns.com carries IP addresses 39.96.153.46, 39.96.153.56 and 47.118.199.206, with 6 other addresses beyond those.

Mail Servers

The sole mail server for comprehend.com.cn is mx.ym.163.com.

Among the domains sharing a mail server setup with comprehend.com.cn are daoqiao.net, sclm.net, q-gu.com and two others.

There is at least a partial MX overlap between comprehend.com.cn and other domains, including zgdhsjc.com, xdlb.cn, 16fan.com and two others.

There is one IP number for mx.ym.163.com: 111.124.200.35.

comprehend.com.cn - robtex.com