isuc.cn - robtex.com
isuc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.242.204.9🇭🇰 Alibaba-Cloud47.242.0.0/16 Proxy-registered route object | ||||||
| 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=1773668948 | ||||||
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=2035003115 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSns1.judns.com2026-07-03 → 2026-07-04 · 3 obs
● 2026-07-03 18:27:06
● 2026-07-04 19:40:22
●NSns1.julydns.com2026-07-03 → 2026-07-04 · 3 obs
● 2026-07-03 18:27:06
● 2026-07-04 19:40:22
●NSns2.judns.com2026-07-03 → 2026-07-04 · 3 obs
● 2026-07-03 18:27:06
● 2026-07-04 19:40:22
●NSns2.julydns.com2026-07-03 → 2026-07-04 · 3 obs
● 2026-07-03 18:27:06
● 2026-07-04 19:40:22
○NSns7.cnolnic.net2015-08-07 → 2016-07-22 · 4 obs
● 2016-07-22 07:25:40
○ 2026-07-03 18:27:06
○ 2026-07-04 19:40:22
○NSns8.cnolnic.net2015-08-07 → 2016-07-22 · 4 obs
● 2016-07-22 07:25:40
○ 2026-07-03 18:27:06
○ 2026-07-04 19:40:22
○MXmail.isuc.cn2015-08-07 → 2016-07-22 · 4 obs
● 2016-07-22 07:25:40
○ 2026-07-03 18:27:06
○ 2026-07-04 19:40:22
○MXmm002.bohan-it.com2015-08-07 → 2016-07-22 · 4 obs
● 2016-07-22 07:25:40
○ 2026-07-03 18:27:06
○ 2026-07-04 19:40:22
○A210.16.190.572015-08-07 → 2016-07-22 · 4 obs
● 2016-07-22 07:25:40
○ 2026-07-03 18:27:06
○ 2026-07-04 19:40:22
●A47.242.204.92026-07-03 → 2026-07-04 · 3 obs
● 2026-07-03 18:27:06
● 2026-07-04 19:40:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| isuc.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isuc.cn (unsigned zone)
⏱️ Timing
Total: 1778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.242.204.9 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
isuc.cn has exactly one IP address — 47.242.204.9.
hhnnko.com, xm-lsc.com, yiander.com plus two other host names have IP numbers in common with isuc.cn.
Name Servers
Four name servers handle the delegation for isuc.cn: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
isuc.cn shares at least some of its name servers with other domains, including jkdun.com, app-sn.com, mhmjc.com and two others.
These name servers are frequently paired with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com and ns2.judns.com share the IP address 162.159.27.251; ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223.
ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.