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 → 2026-03-22 · 3 obs
● 2021-02-19 01:17:32
● 2026-03-22 23:16:38
○MXmail.skrimple.com2015-08-18 → 2017-08-27 · 4 obs
● 2017-08-27 03:56:20
○ 2021-02-19 01:17:32
○ 2026-03-22 23:16:38
○A103.232.215.1382017-08-27 → 2017-08-27 · 4 obs
● 2017-08-27 03:56:20
○ 2021-02-19 01:17:32
○ 2026-03-22 23:16:38
○A103.51.144.812016-12-14 → 2016-12-14 · 4 obs
● 2016-12-14 16:44:46
○ 2017-08-27 03:56:20
○ 2026-03-22 23:16:38
●A127.0.0.12026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 14:41:32
● 2026-03-22 23:16:38
○A198.12.15.2442015-08-18 → 2015-09-21 · 4 obs
● 2015-09-21 02:01:50
○ 2015-12-14 16:47:32
○ 2026-03-22 23:16:38
○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
○ 2026-03-22 23:16:38
○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
○ 2026-03-22 23:16:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, c.dns.cn, a.dns.cn, b.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: 1786ms | 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 maps to IP address 127.0.0.1.
Other host names, for instance 48.179.static.quadranet.com, echtmehr.de, hukofs.com, ab.rdnsblkjbd.dns-srv.com and mail.dayoo.eu share IP numbers with cmn.cn.
Name Servers
Two name servers dns1.dnbiz.com and dns2.dnbiz.com are delegated to cmn.cn.
cmn.cn uses the same name server configuration as other domains, such as wpa.cn, oo6oo.cn, jiuxie.com, wls.cn and 1daili.com.
cmn.cn at least partially shares name servers with other domains such as meizhu.com, chunfei.com, fairwhale.com, chunhui.com and hairun.com.
These name servers are commonly used with dns3.dnbiz.com, dns4.dnbiz.com, dns5.dnbiz.com and dns6.dnbiz.com.
Hostnames with one IP number:
dns1.dnbiz.com points to 60.190.243.163
dns2.dnbiz.com points to 60.190.243.163
Hostnames pointing to 60.190.243.163: dns1.dnbiz.com, dns2.dnbiz.com
Mail Servers
cmn.cn is handled by a single mail server, mail.happyisp.com.
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.
Host name mail.happyisp.com points to IPs 5.161.49.68 and 137.184.158.105.