class-china.com - robtex.com

class-china.com

DNSSEC⚠️ Not signed
NSdns.bizcn.com ⭐
NSns7.cnmsn.net ⚠️ Not in zone NS records
A240c:4082:ffff:ff01:0:d:0:34a🇨🇳 Baidu240c:4082::/32
A61.172.183.76🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A61.240.129.114🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)
NSns8.cnmsn.net ⚠️ Not in zone NS records
MXmxw.263.net ⭐
A143.110.227.31🇺🇸 DIGITALOCEAN143.110.224.0/20 DigitalOcean
A164.92.126.242🇺🇸 DIGITALOCEAN164.92.96.0/19 DigitalOcean
MXmx.263.net(10)
A38.83.106.84🇺🇸 AS6319938.83.106.0/24 CS-34755
PTRus-mx1.263.net
A38.83.106.85🇺🇸 AS6319938.83.106.0/24 CS-34755
A143.110.227.31🇺🇸 DIGITALOCEAN143.110.224.0/20 DigitalOcean
A164.92.126.242🇺🇸 DIGITALOCEAN164.92.96.0/19 DigitalOcean
TXTv=spf1 include:spf.263xmail.com ~all
SOAdns.bizcn.comabuse@bizcn.com serial=9

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782612715

Same first word

class-china.com

DNS History

5 records (5 active, 0 former)

2017201820192020202120222023202420252026NSdns.bizcn.comns7.cnmsn.netns8.cnmsn.netMXmx.263.netmxw.263.net
●NSdns.bizcn.com2016-01-27 → 2026-06-28 · 2 obs
● 2016-01-27 16:27:04
● 2026-06-28 02:18:18
●NSns7.cnmsn.net2016-01-27 → 2026-06-28 · 2 obs
● 2016-01-27 16:27:04
● 2026-06-28 02:18:18
●NSns8.cnmsn.net2016-01-27 → 2026-06-28 · 2 obs
● 2016-01-27 16:27:04
● 2026-06-28 02:18:18
●MXmx.263.net2016-01-27 → 2026-06-28 · 2 obs
● 2016-01-27 16:27:04
● 2026-06-28 02:18:18
●MXmxw.263.net2016-01-27 → 2026-06-28 · 2 obs
● 2016-01-27 16:27:04
● 2026-06-28 02:18:18

🔍 DNS Trace

Analysis

Name Servers

The authoritative name servers for class-china.com are dns.bizcn.com, ns7.cnmsn.net and ns8.cnmsn.net — three in total.

class-china.com has at least partial name server overlap with other domains, such as zjlanwei.com, zjwlhzsb.com, shlubo.com and two others.

The name servers ns1.dns.com.cn, ns2.dns.com.cn, ns5.cnmsn.net and two others are commonly seen in use alongside these name servers.

Hostnames that map to three IP numbers:

The hostname ns7.cnmsn.net directs to 61.172.183.76, 61.240.129.114 and 240c:4082:ffff:ff01:0:d:0:34a.

Mail Servers

class-china.com is served by two mail servers, mx.263.net and mxw.263.net.

Among the domains sharing a mail server setup with class-china.com are paperart.com.cn, oneriverhk.com, cnggc.com and two others.

At least some of class-china.com's mail servers are shared with other domains, among them be.com.cn, modernland.hk and meeso.cn.

Host names that resolve to four IP numbers:

mx.263.net has four IP addresses: 38.83.106.84, 38.83.106.85, 143.110.227.31 and 164.92.126.242.

Host names that have two IP addresses:

mxw.263.net directs traffic to 143.110.227.31 and 164.92.126.242.

Both mx.263.net and mxw.263.net resolve to 143.110.227.31 IP addresses each.

Both mx.263.net and mxw.263.net resolve to 164.92.126.242 IP addresses each.