rentech.com.cn - robtex.com
rentech.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.199.27.222🇭🇰 DXTL-145.199.24.0/21 | ||||||
| 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=1774690728 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030559552 | ||||||
Previously MX for
mail.rentech.com.cn |
Subdomains
mail.rentech.com.cn |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 06:36:26
●NSdm2.longmingdns.com2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 06:36:26
●A45.199.27.2222026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 06:36:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| rentech.com.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:183.253.57.197
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 5004ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.199.27.222 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
Hierarchy
The parent of mail.rentech.com.cn is rentech.com.cn.
IP Addresses
rentech.com.cn points to a single IP address: 45.199.27.222.
Other host names, for example peoco.cn, fpbo.cn and marcoaddress.cn share IPs with rentech.com.cn.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle the delegation for rentech.com.cn.
rentech.com.cn shares the same name server setup as other domains, for example freezq.cn, tjzxjs.cn, wvcm.cn, bxya.cn and huaguduo.cn.
Host names with two IP numbers:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number:
dm1.longmingdns.com points to 218.98.111.163.