sheffieldic.cn - robtex.com
sheffieldic.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.50.252.65🇨🇦 OVH198.50.128.0/17 Hosting route | ||||||
| PTR | ip65.ip-198-50-252.net | ||||||
| NS | ns1.instradns.com ⭐ | ||||||
| A | 75.2.6.34🇺🇸 Amazon75.2.0.0/20 | ||||||
| PTR | aef93cd39153ffbac.awsglobalaccelerator.com | ||||||
| NS | ns2.instradns.com | ||||||
| A | 75.2.85.37🇺🇸 Amazon75.2.80.0/20 | ||||||
| PTR | a9bf3e392db71e4d0.awsglobalaccelerator.com | ||||||
| NS | ns3.instradns.com | ||||||
| A | 99.83.188.20🇺🇸 Amazon99.83.176.0/20 | ||||||
| PTR | aef93cd39153ffbac.awsglobalaccelerator.com | ||||||
| MX | mail.sheffieldic.cn ⭐ | ||||||
| A | 66.70.178.74🇨🇦 OVH66.70.128.0/17 Hosting route | ||||||
| PTR | ns547779.ip-66-70-178.net | ||||||
| SOA | ns1.instradns.comroot@instra.com 2014-03-26 #1 | ||||||
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=2035004475 | ||||||
Subdomains
mail.sheffieldic.cn |
Same first word
sheffieldic.cn |
DNS History
5 records (5 active, 0 former)
●NSns1.instradns.com2026-03-31 → 2026-07-05 · 2 obs
● 2026-07-05 06:16:12
●NSns2.instradns.com2026-03-31 → 2026-07-05 · 2 obs
● 2026-07-05 06:16:12
●NSns3.instradns.com2026-03-31 → 2026-07-05 · 2 obs
● 2026-07-05 06:16:12
●MXmail.sheffieldic.cn2026-03-31 → 2026-07-05 · 2 obs
● 2026-07-05 06:16:12
●A198.50.252.652026-03-31 → 2026-07-05 · 2 obs
● 2026-07-05 06:16:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sheffieldic.cn | ns1.instradns.com, ns2.instradns.com, ns3.instradns.com | - |
✅ Authoritative Response
Server:75.2.85.37
NS records: ns1.instradns.com, ns2.instradns.com, ns3.instradns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sheffieldic.cn (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.50.252.65 |
| NS | 3 | ns3.instradns.com, ns2.instradns.com... |
| MX | 1 | mail.sheffieldic.cn (pri: 10) |
| SOA | 1 | ns1.instradns.com root.instra.com |
Analysis
Hierarchy
mail.sheffieldic.cn is delegated beneath sheffieldic.cn.
IP Addresses
sheffieldic.cn points to a single IP number: 198.50.252.65.
Additional host names — www.myimpact.li, hanhang.com, imo-terminology.email and two others — share IP numbers with sheffieldic.cn.
Name Servers
The authoritative name servers for sheffieldic.cn are ns1.instradns.com, ns2.instradns.com and ns3.instradns.com — three in total.
There is at least partial name server overlap between sheffieldic.cn and other domains — pointer.lu, torx.ro, honmagro.com and two more among them.
These name servers frequently co-occur with the name servers ns12.globehosting.net and ns11.globehosting.net.
The hostnames ns1.instradns.com, ns2.instradns.com and ns3.instradns.com each resolve to a single IP: ns1.instradns.com → 75.2.6.34, ns2.instradns.com → 75.2.85.37, ns3.instradns.com → 99.83.188.20.
Mail Servers
sheffieldic.cn has one mail server: mail.sheffieldic.cn.
mail.sheffieldic.cn directs to just one IP number, 66.70.178.74.