ostcore.com - robtex.com
ostcore.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 115.238.164.146🇨🇳 CHINATELECOM-ZHEJIANG-NINGBO-IDC115.238.164.0/24 Chinanet-NingBo-IDC | ||||||
| NS | dns.bizcn.com ⭐ | ||||||
| A | 240c:4082:ffff:ff01:0:d:0:34a🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 61.172.183.76🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| A | 61.240.129.114🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route) | ||||||
| NS | ns1.dns.com.cn | ||||||
| A | 240c:4082:ffff:ff01:0:d:0:34a🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 61.172.183.70🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| A | 61.240.129.114🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route) | ||||||
| NS | ns2.dns.com.cn | ||||||
| A | 240c:4082:ffff:ff01:0:d:0:69🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 61.172.183.76🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| A | 61.240.129.147🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route) | ||||||
| MX | mailmx2.dns.com.cn ⭐ | ||||||
| A | 120.46.220.184🇨🇳 HWCSNET120.46.128.0/17 Huawei Cloud Beijing Region | ||||||
| PTR | ecs-120-46-220-184.compute.hwclouds-dns.com | ||||||
| SOA | dns.bizcn.comabuse@bizcn.com serial=11 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns.bizcn.com2017-12-23 → 2026-03-23 · 3 obs
● 2017-12-23 12:57:38
● 2026-03-23 14:09:40
●NSns1.dns.com.cn2017-12-23 → 2026-03-23 · 3 obs
● 2017-12-23 12:57:38
● 2026-03-23 14:09:40
●NSns2.dns.com.cn2015-06-11 → 2026-03-23 · 2 obs
● 2026-03-23 14:09:40
●MXmailmx2.dns.com.cn2016-04-04 → 2026-03-23 · 2 obs
● 2026-03-23 14:09:40
●A115.238.164.1462016-04-04 → 2026-03-23 · 2 obs
● 2026-03-23 14:09:40
🔍 DNS Trace
Analysis
IP Addresses
ostcore.com points to a single IP address: 115.238.164.146.
Other host names such as jucore.com and china-cp.cn share IP numbers with ostcore.com.
Name Servers
ostcore.com is delegated to three name servers: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.
At least part of the name servers for ostcore.com are shared with other domains, for instance cxqmcu.com, gohy.com.cn, waihui.sh.cn, kra.com.cn and newslist.com.cn.
These name servers are commonly used alongside ns7.cnmsn.net, ns8.cnmsn.net, ns13.dns.com.cn, ns14.dns.com.cn, ns5.cnmsn.net, ns6.cnmsn.net, dns.cnmsn.net, ns3.cnmsn.com and ns4.cnmsn.com.
Host names with three IP numbers
dns.bizcn.com points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.76 and 61.240.129.114
ns1.dns.com.cn points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.70 and 61.240.129.114
ns2.dns.com.cn points to: 240c:4082:ffff:ff01:0:d:0:69, 61.172.183.76 and 61.240.129.147
Host names pointing to 240c:4082:ffff:ff01:0:d:0:34a: dns.bizcn.com and ns1.dns.com.cn
Host names pointing to 61.172.183.76: dns.bizcn.com and ns2.dns.com.cn
Host names pointing to 61.240.129.114: dns.bizcn.com and ns1.dns.com.cn
Mail Servers
The mail server for ostcore.com is mailmx2.dns.com.cn.
ostcore.com uses the same mail server setup as other domains, for instance cnhsdq.com, chinaztc.com, shenggang.com, brightstarchina.com and richingocean.com.
ostcore.com shares at least some mail servers with other domains, for example tdgd.com.cn, courser-ced.com, newline.sh.cn, zibotex.com and bjadc.com.
Host mailmx2.dns.com.cn points to IP 120.46.220.184.