toppr.com.cn - robtex.com
toppr.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.225.34.75🇺🇸 CNSERVERSLLC23.225.34.0/24 cust proxy reg | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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=1774159178 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030511006 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSns1.judns.com2026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 14:31:12
● 2026-04-12 16:12:30
●NSns1.julydns.com2026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 14:31:12
● 2026-04-12 16:12:30
○NSns11.edong.com2015-08-10 → 2019-12-27 · 4 obs
● 2019-12-27 20:51:42
○ 2026-04-10 14:31:12
○ 2026-04-12 16:12:30
○NSns12.edong.com2015-08-10 → 2019-12-27 · 4 obs
● 2019-12-27 20:51:42
○ 2026-04-10 14:31:12
○ 2026-04-12 16:12:30
●NSns2.judns.com2026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 14:31:12
● 2026-04-12 16:12:30
●NSns2.julydns.com2026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 14:31:12
● 2026-04-12 16:12:30
○MXmx.fwd.oweb.cn2015-08-10 → 2019-12-27 · 4 obs
● 2019-12-27 20:51:42
○ 2026-04-10 14:31:12
○ 2026-04-12 16:12:30
○MXmx.toppr.com.cn2015-08-10 → 2019-12-27 · 4 obs
● 2019-12-27 20:51:42
○ 2026-04-10 14:31:12
○ 2026-04-12 16:12:30
○A120.55.138.2412016-03-03 → 2017-03-17 · 5 obs
● 2016-03-03 11:00:02
● 2017-03-17 15:05:38
○ 2019-12-27 20:51:42
○ 2026-04-12 16:12:30
○A121.199.61.432019-12-27 → 2019-12-27 · 4 obs
● 2019-12-27 20:51:42
○ 2026-04-10 14:31:12
○ 2026-04-12 16:12:30
○A222.73.163.812015-08-10 → 2015-11-29 · 4 obs
● 2015-11-29 06:45:18
○ 2016-03-03 11:00:02
○ 2026-04-12 16:12:30
●A23.225.34.752026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 14:31:12
● 2026-04-12 16:12:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| toppr.com.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 toppr.com.cn (unsigned zone)
⏱️ Timing
Total: 3726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.225.34.75 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
toppr.com.cn resolves to a single IP: 23.225.34.75.
Other host names, for instance ecs.sgca.org.cn, aomen.hwc.sh.cn, tzdx.com.cn, b59if.ybsj.net.cn and gpbk.com.cn share IP numbers with toppr.com.cn.
Name Servers
toppr.com.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
toppr.com.cn shares some name servers with other domains, for example solor.cn, viemark.com, bearshow.com, zgqywl.com and cnbosun.cn.
Host names with a single IP:
ns1.judns.com points to 47.97.51.45
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 47.97.51.45
ns2.julydns.com points to 162.159.48.223
Names pointing to 47.97.51.45: ns1.judns.com, ns1.julydns.com