cmn.cn - robtex.com
cmn.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.1 | ||||||
| NS | dns1.dnbiz.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.163🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| NS | dns2.dnbiz.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.163🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| MX | mail.happyisp.com ⭐ | ||||||
| A | 5.161.49.68🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24 | ||||||
| PTR | mail.happyisp.com | ||||||
| A | 137.184.158.105🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean | ||||||
| PTR | mail.happyisp.com | ||||||
| TXT | v=spf1 ip6:fd0d:d741:e183::/48 -all | ||||||
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=2034546407 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●MXmail.happyisp.com2021-02-19 → 2026-03-21 · 3 obs
● 2021-02-19 01:17:32
● 2026-03-21 06:22:38
○MXmail.skrimple.com2015-08-18 → 2017-08-27 · 4 obs
● 2017-08-27 03:56:20
○ 2021-02-19 01:17:32
○ 2026-03-21 06:22:38
○A103.232.215.1382017-08-27 → 2017-08-27 · 4 obs
● 2017-08-27 03:56:20
○ 2021-02-19 01:17:32
○ 2026-03-21 06:22:38
○A103.51.144.812016-12-14 → 2016-12-14 · 4 obs
● 2016-12-14 16:44:46
○ 2017-08-27 03:56:20
○ 2026-03-21 06:22:38
●A127.0.0.12026-03-19 → 2026-03-21 · 3 obs
● 2026-03-19 14:41:32
● 2026-03-21 06:22:38
○A198.12.15.2442015-08-18 → 2015-09-21 · 4 obs
● 2015-09-21 02:01:50
○ 2015-12-14 16:47:32
○ 2026-03-21 06:22:38
○A47.74.55.532021-02-19 → 2021-06-28 · 5 obs
● 2021-02-19 01:17:32
● 2021-06-28 18:58:32
○ 2026-03-19 14:41:32
○ 2026-03-21 06:22:38
○A65.19.157.2352015-12-14 → 2016-04-01 · 5 obs
● 2015-12-14 16:47:32
● 2016-04-01 18:35:00
○ 2016-12-14 16:44:46
○ 2026-03-21 06:22:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| cmn.cn | dns1.dnbiz.com, dns2.dnbiz.com | - |
✅ Authoritative Response
Server: 60.190.243.163
NS records: dns1.dnbiz.com, dns2.dnbiz.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cmn.cn (unsigned zone)
⏱️ Timing
Total: 2349ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| MX | 1 | mail.happyisp.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd0d:d741:e183::/48 -all |
Analysis
IP Addresses
cmn.cn points to a single IP address: 127.0.0.1.
Other host names such as 48.179.static.quadranet.com, echtmehr.de, hukofs.com, ab.rdnsblkjbd.dns-srv.com and mail.dayoo.eu share IPs with cmn.cn.
Name Servers
Two name servers dns1.dnbiz.com and dns2.dnbiz.com handle the delegation for cmn.cn.
cmn.cn shares the same name server setup as other domains, for example wpa.cn, oo6oo.cn, jiuxie.com, wls.cn and 1daili.com.
cmn.cn at least partially shares name servers with other domains, for example meizhu.com, chunfei.com, fairwhale.com, chunhui.com and hairun.com.
these name servers commonly pair with dns3.dnbiz.com, dns4.dnbiz.com, dns5.dnbiz.com and dns6.dnbiz.com.
Host names with a single IP:
dns1.dnbiz.com points to 60.190.243.163.
dns2.dnbiz.com points to 60.190.243.163.
Host names pointing to 60.190.243.163: dns1.dnbiz.com and dns2.dnbiz.com.
Mail Servers
The mail.happyisp.com mail server handles cmn.cn.
cmn.cn shares the same mail server setup as other domains, including runu.cn, cuanpian.cn, vpasc-in.com, igets.cn and www.homiez.cn.
mail.happyisp.com points to two IP numbers: 5.161.49.68 and 137.184.158.105.