ieclass.cn - robtex.com
ieclass.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | 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 | 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 | ||||||
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=2035056009 | ||||||
Previously NS for
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSieclass.cn2015-07-16 → 2017-06-10 · 5 obs
● 2015-07-16 02:12:02
● 2017-06-10 20:57:02
○ 2026-04-10 02:48:50
○ 2026-07-18 11:16:58
○NSns1.idcc.cn2008-12-09 → 2008-12-09 · 3 obs
○ 2015-07-16 02:12:02
○ 2026-07-18 11:16:58
●NSns1.judns.com2026-04-10 → 2026-07-18 · 3 obs
● 2026-04-10 02:48:50
● 2026-07-18 11:16:58
●NSns1.julydns.com2026-04-10 → 2026-07-18 · 3 obs
● 2026-04-10 02:48:50
● 2026-07-18 11:16:58
○NSns2.idcc.cn2008-12-09 → 2008-12-09 · 3 obs
○ 2015-07-16 02:12:02
○ 2026-07-18 11:16:58
●NSns2.judns.com2026-04-10 → 2026-07-18 · 3 obs
● 2026-04-10 02:48:50
● 2026-07-18 11:16:58
●NSns2.julydns.com2026-04-10 → 2026-07-18 · 3 obs
● 2026-04-10 02:48:50
● 2026-07-18 11:16:58
○A203.88.172.2262015-11-01 → 2016-11-30 · 5 obs
● 2015-11-01 12:57:04
● 2016-11-30 12:47:34
○ 2026-04-10 02:48:50
○ 2026-07-18 11:16:58
○A47.90.55.462017-06-10 → 2017-06-10 · 4 obs
● 2017-06-10 20:57:02
○ 2026-04-10 02:48:50
○ 2026-07-18 11:16:58
○A59.188.79.1502015-07-16 → 2015-07-16 · 4 obs
● 2015-07-16 02:12:02
○ 2015-11-01 12:57:04
○ 2026-07-18 11:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn... | - |
| ieclass.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 ieclass.cn (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
The domain ieclass.cn is delegated to these four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
ieclass.cn has at least partial name server overlap with other domains, such as koushai.com, jdrc.com.cn, goodbjp.com and two others.
It is common to see these name servers used together with name servers ns1.onclouddns.com and ns2.onclouddns.com.
Each of ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com has a single IP address — ns1.judns.com and ns2.judns.com direct to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com direct to 162.159.48.223.
ns1.judns.com and ns2.judns.com are host names that each point to 162.159.27.251 IP addresses.
ns1.julydns.com and ns2.julydns.com are host names that each point to 162.159.48.223 IP addresses.