51mm.cn - robtex.com
51mm.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.33.227.151🇺🇸 PEGTECHINC38.33.192.0/18 PEG TECH INC | ||||||
| NS | dm1.longmingdns.com ⭐ | ||||||
| A | 218.98.111.163🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dm2.longmingdns.com | ||||||
| A | 183.253.57.197🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.56🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1763214885 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2034669200 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
●NSdm1.longmingdns.com2026-02-18 → 2026-04-14 · 3 obs
○ 2017-04-11 03:12:46
● 2026-02-18 12:38:48
● 2026-04-14 09:59:56
● 2026-02-18 12:38:48
● 2026-04-14 09:59:56
●NSdm2.longmingdns.com2026-02-18 → 2026-04-14 · 3 obs
○ 2017-04-11 03:12:46
● 2026-02-18 12:38:48
● 2026-04-14 09:59:56
● 2026-02-18 12:38:48
● 2026-04-14 09:59:56
○NSwww.51mm.cn2015-06-29 → 2017-04-11 · 4 obs
● 2015-06-29 17:52:48
● 2017-04-11 03:12:46
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
● 2017-04-11 03:12:46
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
○MXio.bouncemx.com2015-11-25 → 2017-04-11 · 4 obs
● 2015-11-25 16:30:58
● 2017-04-11 03:12:46
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
● 2017-04-11 03:12:46
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
●A38.33.227.1512026-02-18 → 2026-04-14 · 3 obs
○ 2017-04-11 03:12:46
● 2026-02-18 12:38:48
● 2026-04-14 09:59:56
● 2026-02-18 12:38:48
● 2026-04-14 09:59:56
○A70.39.84.2452017-04-11 → 2017-04-11 · 4 obs
○ 2016-06-29 13:08:06
● 2017-04-11 03:12:46
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
● 2017-04-11 03:12:46
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
○A70.39.84.2472015-06-29 → 2015-06-29 · 3 obs
● 2015-06-29 17:52:48
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
○ 2026-02-18 12:38:48
○ 2026-04-14 09:59:56
○A70.39.84.2482015-11-25 → 2015-11-25 · 4 obs
○ 2015-06-29 17:52:48
● 2015-11-25 16:30:58
○ 2016-03-20 00:46:46
○ 2026-04-14 09:59:56
● 2015-11-25 16:30:58
○ 2016-03-20 00:46:46
○ 2026-04-14 09:59:56
○A70.39.84.2512016-06-29 → 2016-06-29 · 4 obs
○ 2016-03-20 00:46:46
● 2016-06-29 13:08:06
○ 2017-04-11 03:12:46
○ 2026-04-14 09:59:56
● 2016-06-29 13:08:06
○ 2017-04-11 03:12:46
○ 2026-04-14 09:59:56
○A70.39.84.2532016-03-20 → 2016-03-20 · 4 obs
○ 2015-11-25 16:30:58
● 2016-03-20 00:46:46
○ 2016-06-29 13:08:06
○ 2026-04-14 09:59:56
● 2016-03-20 00:46:46
○ 2016-06-29 13:08:06
○ 2026-04-14 09:59:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| 51mm.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:211.99.99.56
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51mm.cn (unsigned zone)
⏱️ Timing
Total: 1565ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.33.227.151 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
51mm.cn resolves to a single IP address: 38.33.227.151.
Other host names, for instance fctd.cn, share IP numbers with 51mm.cn.
Name Servers
51mm.cn's delegation uses two name servers, dm1.longmingdns.com and dm2.longmingdns.com.
51mm.cn shares the same name server setup as other domains, for example sunrainbio.cn, scumix.cn, vwqa.cn, shaopu.cn and sddzm.cn.
Hosts with two IPs:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Hosts with one IP:
dm1.longmingdns.com points to 218.98.111.163.