extreme.cn - robtex.com
extreme.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.98.40.98🇺🇸 SHARKTECH-1208.98.40.0/24 | ||||||
| NS | www.extreme.cn ⭐ | ||||||
| A | 208.98.43.98🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| NS | ns1.4.cn ⚠️ Not in zone NS records | ||||||
| A | 107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route) | ||||||
| NS | ns2.4.cn ⚠️ Not in zone NS records | ||||||
| A | 208.98.43.66🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| PTR | jensenstilbud.com | ||||||
| SOA | www.extreme.cnextreme@cn 2008-08-03 #0 | ||||||
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 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035096940 | ||||||
Subdomains
www.extreme.cn |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
●NSns1.4.cn2026-06-25 → 2026-07-27 · 3 obs
● 2026-06-25 12:05:34
● 2026-07-27 14:10:36
●NSns2.4.cn2026-06-25 → 2026-07-27 · 3 obs
● 2026-06-25 12:05:34
● 2026-07-27 14:10:36
●NSwww.extreme.cn2015-07-21 → 2026-07-27 · 2 obs
● 2026-07-27 14:10:36
○MXio.bouncemx.com2015-12-02 → 2017-04-10 · 4 obs
● 2017-04-10 14:01:04
○ 2026-06-25 12:05:34
○ 2026-07-27 14:10:36
○A208.98.40.742026-06-27 → 2026-06-27 · 4 obs
● 2026-06-27 00:06:42
○ 2026-06-29 14:19:58
○ 2026-07-27 14:10:36
●A208.98.40.982026-06-29 → 2026-07-27 · 3 obs
● 2026-06-29 14:19:58
● 2026-07-27 14:10:36
○A208.98.43.192026-06-25 → 2026-06-25 · 4 obs
● 2026-06-25 12:05:34
○ 2026-06-27 00:06:42
○ 2026-07-27 14:10:36
○A70.39.84.2282015-07-21 → 2015-07-21 · 3 obs
○ 2026-06-25 12:05:34
○ 2026-07-27 14:10:36
○A70.39.84.2302016-07-02 → 2016-07-02 · 4 obs
● 2016-07-02 01:27:58
○ 2017-04-10 14:01:04
○ 2026-07-27 14:10:36
○A70.39.84.2332015-12-02 → 2016-03-09 · 5 obs
● 2015-12-02 19:45:20
● 2016-03-09 16:46:22
○ 2016-07-02 01:27:58
○ 2026-07-27 14:10:36
○A70.39.84.2452017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 14:01:04
○ 2026-06-25 12:05:34
○ 2026-07-27 14:10:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| extreme.cn | ns1.4.cn, ns2.4.cn | - |
✅ Authoritative Response
Server:208.98.43.66
NS records: ns1.4.cn, ns2.4.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extreme.cn (unsigned zone)
⏱️ Timing
Total: 2570ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.98.40.227 |
| SOA | 1 | www.extreme.cn extreme.cn |
Analysis
Hierarchy
www.extreme.cn is delegated beneath extreme.cn.
IP Addresses
extreme.cn resolves to one IP address: 208.98.40.98.
ronghao.com, ff74.com, www.www.www.multi-drch.qjwm.com and two other host names share IP numbers with extreme.cn.
Name Servers
The authoritative name servers for extreme.cn are ns1.4.cn, ns2.4.cn and www.extreme.cn — three in total.
There is at least partial name server overlap between extreme.cn and other domains — jesonwireless.com, fs77.com, xing.tv and two more among them.
It is common to find these name servers alongside the name servers ns3.goldenname.com, ns4.goldenname.com, www.fs77.com and two others.
The hostnames ns1.4.cn, ns2.4.cn and www.extreme.cn each resolve to a single IP: ns1.4.cn → 107.167.27.66, ns2.4.cn → 208.98.43.66, www.extreme.cn → 208.98.43.98.