cqo.cn - robtex.com

cqo.cn

DNSSEC⚠️ Not signed
NSdns3.4cun.com ⭐
A2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33
A61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
NSdns.4cun.com ⚠️ Not in zone NS records
NSdns4.51dns.top ⚠️ Not in zone NS records
A2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33
A219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
SOAdns.4cun.comadmin@cqo.cn serial=1772526768

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034666250

Same first word

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DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdns.4cun.comdns3.4cun.comdns4.51dns.topMXmxbiz1.qq.commxbiz2.qq.comA216.245.209.67216.245.209.69
○NS(root)2015-05-30 → 2017-04-07 · 4 obs
● 2015-05-30 21:14:42
● 2017-04-07 10:28:28
○ 2026-03-27 13:04:00
○ 2026-04-13 13:01:54
●NSdns.4cun.com2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-07 10:28:28
● 2026-03-27 13:04:00
● 2026-04-13 13:01:54
●NSdns3.4cun.com2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-07 10:28:28
● 2026-03-27 13:04:00
● 2026-04-13 13:01:54
●NSdns4.51dns.top2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-07 10:28:28
● 2026-03-27 13:04:00
● 2026-04-13 13:01:54
●MXmxbiz1.qq.com2015-05-30 → 2026-04-13 · 2 obs
● 2015-05-30 21:14:42
● 2026-04-13 13:01:54
●MXmxbiz2.qq.com2015-05-30 → 2026-04-13 · 2 obs
● 2015-05-30 21:14:42
● 2026-04-13 13:01:54
○A216.245.209.672015-05-30 → 2015-05-30 · 3 obs
● 2015-05-30 21:14:42
○ 2015-11-08 20:59:24
○ 2026-04-13 13:01:54
○A216.245.209.692015-11-08 → 2017-04-07 · 5 obs
○ 2015-05-30 21:14:42
● 2015-11-08 20:59:24
● 2017-04-07 10:28:28
○ 2026-03-27 13:04:00
○ 2026-04-13 13:01:54

🔍 DNS Trace

Analysis

Name Servers

cqo.cn is delegated to three name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.

cqo.cn at least partially shares name servers with other domains, including 88966.net, thomas-partner.com, zjxingfa.com, jihongleather.com and qdacp.com.

These name servers are typically used together with the name servers dns1.4cun.com, dns2.51dns.top, dns7.4cun.com, ns3.4cun.com, ns4.4cun.com, dns5.4cun.com, dns6.51dns.top, dns8.51dns.top, dns4.4cun.com and dns8.4cun.com.

Host names with two IP numbers:

Host dns3.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74

Host dns4.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210

Host names that point to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 are dns3.4cun.com and dns4.51dns.top

Mail Servers

cqo.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

cqo.cn shares its mail server setup with other domains, including fengshuigallary.com, zijizhang.com, 722400.net, trueast.com and huijing.net.

cqo.cn shares some mail servers with other domains, at least partially, for instance bjzxcp.com.