mcosu.com - robtex.com
mcosu.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns.bizcn.com ⭐ | ||||||
| A | 240c:4082:ffff:ff01:0:d:0:34a🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 61.172.183.76🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| A | 61.240.129.114🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route) | ||||||
| NS | ns7.cnmsn.net | ||||||
| A | 240c:4082:ffff:ff01:0:d:0:34a🇨🇳 Baidu240c:4082::/32 | ||||||
| NS | ns8.cnmsn.net | ||||||
| A | 240c:4082:ffff:ff01:0:d:0:69🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 61.172.183.70🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| A | 61.240.129.147🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route) | ||||||
| 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 | dns.bizcn.comabuse@bizcn.com serial=22 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1780397594 | ||||||
Same first word
mcosu.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSdns.bizcn.com2026-02-27 → 2026-06-02 · 3 obs
● 2026-02-27 21:16:28
● 2026-06-02 11:22:16
○NSns.info10.com2015-07-09 → 2017-05-21 · 4 obs
● 2017-05-21 02:22:04
○ 2026-02-27 21:16:28
○ 2026-06-02 11:22:16
○NSns2.info10.com2015-07-09 → 2017-05-21 · 4 obs
● 2017-05-21 02:22:04
○ 2026-02-27 21:16:28
○ 2026-06-02 11:22:16
○NSns4.info10.com2017-05-21 → 2017-05-21 · 4 obs
● 2017-05-21 02:22:04
○ 2026-02-27 21:16:28
○ 2026-06-02 11:22:16
●NSns7.cnmsn.net2026-02-27 → 2026-06-02 · 3 obs
● 2026-02-27 21:16:28
● 2026-06-02 11:22:16
●NSns8.cnmsn.net2026-02-27 → 2026-06-02 · 3 obs
● 2026-02-27 21:16:28
● 2026-06-02 11:22:16
●MXmx.ym.163.com2015-07-09 → 2026-06-02 · 2 obs
● 2026-06-02 11:22:16
○A119.145.255.252015-07-09 → 2015-07-09 · 3 obs
○ 2015-10-17 00:22:54
○ 2026-06-02 11:22:16
○A121.201.31.32015-10-17 → 2017-05-21 · 5 obs
● 2015-10-17 00:22:54
● 2017-05-21 02:22:04
○ 2026-02-27 21:16:28
○ 2026-06-02 11:22:16
🔍 DNS Trace
Analysis
Name Servers
DNS for mcosu.com is handled by three authoritative name servers: dns.bizcn.com, ns7.cnmsn.net and ns8.cnmsn.net.
mcosu.com has at least partial name server overlap with other domains, such as chinaisp.net, raqu.cn, qfqm.com and two others.
These name servers are routinely co-deployed with the name servers ns1.dns.com.cn, ns2.dns.com.cn, ns5.cnmsn.net and two others.
Hosts with three IP address records:
dns.bizcn.com has IP addresses 61.172.183.76, 61.240.129.114 and 240c:4082:ffff:ff01:0:d:0:34a.
ns8.cnmsn.net has IP addresses 61.172.183.70, 61.240.129.147 and 240c:4082:ffff:ff01:0:d:0:69.
Host names with one IP number:
ns7.cnmsn.net directs to 240c:4082:ffff:ff01:0:d:0:34a.
Host names pointing to 240c:4082:ffff:ff01:0:d:0:34a IP addresses: dns.bizcn.com and ns7.cnmsn.net.
Mail Servers
mcosu.com routes its mail through a single mail server, mx.ym.163.com.
mcosu.com has the same mail server arrangement as a number of other domains, for example ledjia.com, pzmk.com, twinsprings.com.cn and two more.
mcosu.com shares at least some of its mail servers with other domains — for example yzfdsport.com, sskj.net, btewater.com and two more.
These mail servers tend to be used in combination with the mail servers qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.
mx.ym.163.com has exactly one IP number: 111.124.200.35.