by1237.cn - robtex.com
by1237.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.56.57.35🇺🇸 USZNI-AS-AP207.56.32.0/19 | ||||||
| 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 | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1783238783 | ||||||
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=2035093629 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-07-15 → 2026-07-26 · 2 obs
● 2026-07-26 17:39:00
●NSdm2.longmingdns.com2026-07-15 → 2026-07-26 · 2 obs
● 2026-07-26 17:39:00
●A207.56.57.352026-07-15 → 2026-07-26 · 2 obs
● 2026-07-26 17:39:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| by1237.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:218.98.111.163
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for by1237.cn (unsigned zone)
⏱️ Timing
Total: 1932ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.56.57.35 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
by1237.cn resolves to one IP address: 207.56.57.35.
Other host names — shanyoustone.com, 127178.com, www.fumeiwuliu.com and fumeiwuliu.com — share IP numbers with by1237.cn.
Name Servers
by1237.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
by1237.cn uses the same name servers as several other domains — among them chengxinbaojie.cn, yitianart.com.cn, yitihui.cn and two more.
Hostnames that resolve to two IP addresses:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Hosts with just one IP address:
dm1.longmingdns.com points to 218.98.111.163.