mcunc.cn - robtex.com
mcunc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.109.23.64🇨🇳 CHINANET-Guangdong-ShenZhen-IDC103.109.20.0/22 Shenzhen Yunshangwuyou Communication Network Co., Ltd.-SZ IDC-Static multicast | ||||||
| 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 | mx1.feishu.cn ⭐ | ||||||
| A | 52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix | ||||||
| PTR | ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mx2.feishu.cn ⭐ | ||||||
| A | 101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20 | ||||||
| MX | mx3.feishu.cn ⭐ | ||||||
| A | 52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix | ||||||
| PTR | ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20 | ||||||
| MX | smtp.mcunc.cn(15) | ||||||
| A | 103.109.23.64🇨🇳 CHINANET-Guangdong-ShenZhen-IDC103.109.20.0/22 Shenzhen Yunshangwuyou Communication Network Co., Ltd.-SZ IDC-Static multicast | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| TXT | verification-code-site-App_feishu=EmTx0voUAvsxNZ46npnJ | ||||||
| TXT | v=spf1 +include:_netblocks.m.feishu.cn -all | ||||||
| SOA | ns1.alidns.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034775485 | ||||||
Subdomains
smtp.mcunc.cn |
Same first word
mcunc.cn |
Similar names
mucnc.com |
uccmn.com |
ccnum.buzz |
mucnc.vn |
cncmu.com |
ccnum.com |
ccunm.com |
cmunc.org |
uncmc.or.kr |
nucmc.com |
ccmun.com |
uccmn.org |
umcnc.org |
cmcnu.or.kr |
DNS History
7 records (7 active, 0 former)
●NSns1.alidns.com2026-03-28 → 2026-05-10 · 2 obs
● 2026-05-10 17:49:00
●NSns2.alidns.com2026-03-28 → 2026-05-10 · 2 obs
● 2026-05-10 17:49:00
●MXsmtp.mcunc.cn2026-03-28 → 2026-05-10 · 2 obs
● 2026-05-10 17:49:00
●A103.109.23.642026-03-28 → 2026-05-10 · 2 obs
● 2026-05-10 17:49:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn... | - |
| mcunc.cn | ns1.alidns.com, ns2.alidns.com | - |
✅ Authoritative Response
Server:139.224.142.116
NS records: ns1.alidns.com, ns2.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mcunc.cn (unsigned zone)
⏱️ Timing
Total: 2018ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.109.23.64 |
| NS | 2 | ns1.alidns.com, ns2.alidns.com |
| MX | 4 | mx2.feishu.cn (pri: 1), mx3.feishu.cn (pri: 1)... |
| TXT | 3 | v=spf1 a mx ~all, verification-code-site-App_feishu=EmTx0v... |
| SOA | 1 | ns1.alidns.com hostmaster.hichina.com |
Analysis
Hierarchy
mcunc.cn is the parent of smtp.mcunc.cn.
IP Addresses
mcunc.cn points to IP number 103.109.23.64.
Other host names, for instance, smtp.mcunc.cn share IP numbers with mcunc.cn.
Name Servers
mcunc.cn is delegated to two name servers: ns1.alidns.com and ns2.alidns.com.
mcunc.cn uses the same name server setup as other domains such as szssh.com, masspktec.com, xmqbggm.com, 69as.com and 749898.com.
mcunc.cn shares name servers with other domains at least partially, for example xn--fct24n.com, xinyicha.com, riverstone.cn, 33129ty.com and fkd72.com.
These name servers are commonly used alongside ns7.alidns.com, ns8.alidns.com, dns17.hichina.com, dns18.hichina.com, dns3.hichina.com and dns4.hichina.com.
Host names with nine IP numbers:
ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.
ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.
Mail Servers
mcunc.cn is handled by four mail servers: mx1.feishu.cn, mx2.feishu.cn, mx3.feishu.cn and smtp.mcunc.cn.
mcunc.cn shares mail servers with other domains at least partially; for instance yiqingedu.com, gtechzs.com, cantreetech.com, dtypt.com and picmagic.co.
Host names with three IP numbers: The host name mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.
Host names with two IP numbers: The host name mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.
Host names with one IP number: mx1.feishu.cn points to 52.220.106.220 and smtp.mcunc.cn points to 103.109.23.64.
Host names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.
Host names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.
Host names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.