nescience.cn - robtex.com
nescience.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.247.90.249🇧🇷 GNET-AS9294156.247.80.0/20 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1765206413 | ||||||
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=2034740299 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSdns10.hichina.com2015-12-13 → 2017-04-21 · 4 obs
● 2017-04-21 07:49:50
○ 2026-03-29 02:20:12
○ 2026-05-02 06:35:56
○NSdns9.hichina.com2015-12-13 → 2017-04-21 · 4 obs
● 2017-04-21 07:49:50
○ 2026-03-29 02:20:12
○ 2026-05-02 06:35:56
●NSns1.judns.com2026-03-29 → 2026-05-02 · 3 obs
● 2026-03-29 02:20:12
● 2026-05-02 06:35:56
●NSns1.julydns.com2026-03-29 → 2026-05-02 · 3 obs
● 2026-03-29 02:20:12
● 2026-05-02 06:35:56
●NSns2.judns.com2026-03-29 → 2026-05-02 · 3 obs
● 2026-03-29 02:20:12
● 2026-05-02 06:35:56
●NSns2.julydns.com2026-03-29 → 2026-05-02 · 3 obs
● 2026-03-29 02:20:12
● 2026-05-02 06:35:56
○MXmx.ym.163.com2015-12-13 → 2017-04-21 · 4 obs
● 2017-04-21 07:49:50
○ 2026-03-29 02:20:12
○ 2026-05-02 06:35:56
●A156.247.90.2492026-03-29 → 2026-05-02 · 2 obs
● 2026-05-02 06:35:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| nescience.cn | ns1.exp.4cun.com, ns2.exp.4cun.com | - |
✅ Authoritative Response
Server:60.190.243.160
NS records: ns1.exp.4cun.com, ns2.exp.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nescience.cn (unsigned zone)
⏱️ Timing
Total: 4589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| MX | 1 | mail.happyisp.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd0d:d741:e183::/48 -all |
Analysis
IP Addresses
nescience.cn points to a single IP: 156.247.90.249.
Other host names such as mail.fangjuke.cn and fangjuke.cn share IP numbers with nescience.cn.
Name Servers
nescience.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
nescience.cn at least partially shares its name servers with other domains, for instance seriesnow.com, casili.cn, zfj.cc, jxxhy.net and ingmar.net.cn.
Host names with a single IP number:
The host names ns1.judns.com and ns2.judns.com point to 162.159.27.251.
The host names ns1.julydns.com and ns2.julydns.com point to 162.159.48.223.
Host names that point to 162.159.27.251: ns1.judns.com and ns2.judns.com.
Host names that point to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.