sci.cn - robtex.com
sci.cn
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=2035000586 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NS(root)2015-06-17 → 2021-04-23 · 4 obs
● 2021-04-23 06:06:14
○ 2026-02-24 18:53:18
○ 2026-07-04 05:14:48
●NSns1.35.net2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 18:53:18
● 2026-07-04 05:14:48
●NSns2.35.net2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 18:53:18
● 2026-07-04 05:14:48
●NSns3.35.net2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 18:53:18
● 2026-07-04 05:14:48
●NSns4.35.net2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 18:53:18
● 2026-07-04 05:14:48
●A2.24.75.1722026-05-26 → 2026-07-04 · 6 obs
● 2026-05-26 10:10:46
● 2026-06-14 07:43:34
○ 2026-06-17 06:08:20
● 2026-06-18 21:37:54
● 2026-07-04 05:14:48
○A218.5.76.452021-04-23 → 2021-04-23 · 4 obs
● 2021-04-23 06:06:14
○ 2026-02-24 18:53:18
○ 2026-07-04 05:14:48
○A222.76.218.1722015-06-17 → 2017-06-08 · 4 obs
● 2017-06-08 00:19:42
○ 2021-04-23 06:06:14
○ 2026-07-04 05:14:48
○A60.247.207.842026-02-24 → 2026-05-21 · 5 obs
● 2026-02-24 18:53:18
● 2026-05-21 02:03:34
○ 2026-05-26 10:10:46
○ 2026-07-04 05:14:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, b.dns.cn, d.dns.cn... | - |
| sci.cn | ns1.35.net, ns2.35.net, ns3.35.net, ns4.35.net | - |
✅ Authoritative Response
Server:118.123.249.114
NS records: ns1.35.net, ns2.35.net, ns3.35.net, ns4.35.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sci.cn (unsigned zone)
⏱️ Timing
Total: 1979ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 2.24.75.172 |
| NS | 4 | ns1.35.net, ns2.35.net... |
| SOA | 1 | ns1.35.net dnsconct.myhostadmin.net |
Analysis
IP Addresses
sci.cn has exactly one IP address — 2.24.75.172.
Other host names share IP numbers with sci.cn; zhima.com is one such example.
Name Servers
Four name servers handle the delegation for sci.cn: ns1.35.net, ns2.35.net, ns3.35.net and ns4.35.net.
At least some of sci.cn's name servers are shared with other domains, for example njyzzx.com, whlzdhl.com, lkxinyun.com.cn and two more.
Host names with four IP addresses:
ns1.35.net directs to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.
Host names carrying three IP numbers:
ns2.35.net resolves to three addresses: 61.172.183.73, 211.149.230.100 and 240e:d9:c200:1::2.
Host names pointing to two IP addresses:
ns3.35.net maps to two IP addresses — 61.172.183.77 and 118.123.249.114.
ns4.35.net maps to two IP addresses — 118.123.253.132 and 211.149.230.100.
These two host names — ns1.35.net and ns3.35.net — each point to 118.123.249.114 IP addresses.
These two host names — ns1.35.net and ns4.35.net — each point to 118.123.253.132 IP addresses.
These two host names — ns2.35.net and ns4.35.net — each point to 211.149.230.100 IP addresses.