300so.cn - robtex.com
300so.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.239.246.132🇺🇸 DXTL-138.239.246.0/23 | ||||||
| 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=1771655940 | ||||||
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=2034590270 | ||||||
Same first word
300so.cn |
Similar names
DNS History
14 records (5 active, 9 former)
○NSf1g1ns1.dnspod.net2015-07-15 → 2016-05-29 · 4 obs
● 2016-05-29 20:08:00
○ 2017-02-15 17:41:50
○ 2026-03-26 17:18:08
○NSf1g1ns2.dnspod.net2015-11-14 → 2016-05-29 · 5 obs
● 2015-11-14 02:25:34
● 2016-05-29 20:08:00
○ 2017-02-15 17:41:50
○ 2026-03-26 17:18:08
○NSjm1.dns.com2020-01-23 → 2020-01-23 · 4 obs
● 2020-01-23 09:59:14
○ 2026-02-28 07:24:30
○ 2026-03-26 17:18:08
○NSjm2.dns.com2020-01-23 → 2020-01-23 · 4 obs
● 2020-01-23 09:59:14
○ 2026-02-28 07:24:30
○ 2026-03-26 17:18:08
○NSns1.22.cn2017-02-15 → 2017-02-15 · 4 obs
● 2017-02-15 17:41:50
○ 2020-01-23 09:59:14
○ 2026-03-26 17:18:08
●NSns1.judns.com2026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:24:30
● 2026-03-26 17:18:08
●NSns1.julydns.com2026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:24:30
● 2026-03-26 17:18:08
●NSns2.judns.com2026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:24:30
● 2026-03-26 17:18:08
●NSns2.julydns.com2026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:24:30
● 2026-03-26 17:18:08
○A122.114.90.2002017-02-15 → 2017-02-15 · 4 obs
● 2017-02-15 17:41:50
○ 2020-01-23 09:59:14
○ 2026-03-26 17:18:08
○A154.210.134.572020-01-23 → 2020-01-23 · 4 obs
● 2020-01-23 09:59:14
○ 2026-02-28 07:24:30
○ 2026-03-26 17:18:08
○A175.41.28.442015-07-15 → 2016-05-29 · 4 obs
● 2016-05-29 20:08:00
○ 2017-02-15 17:41:50
○ 2026-03-26 17:18:08
●A38.239.246.1322026-02-28 → 2026-03-26 · 3 obs
● 2026-02-28 07:24:30
● 2026-03-26 17:18:08
○A45.194.151.1892026-02-28 → 2026-03-26 · 2 obs
○ 2026-03-26 17:18:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 300so.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 300so.cn (unsigned zone)
⏱️ Timing
Total: 1695ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.239.246.132 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
300so.cn points to a single IP address: 38.239.246.132.
Other host names, for instance sxhanshan.cn, share IP numbers with 300so.cn.
Name Servers
300so.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
300so.cn at least partially shares name servers with other domains, for example shsdyb.cn, chuangkn.com, wdsql.com, dh-hf.com.cn and nkyrxe.com.
Host names with a single IP address:
The host name ns1.judns.com points to 47.97.51.45.
The host name ns2.judns.com points to 162.159.27.251.
The host name ns1.julydns.com points to 47.97.51.45.
The host name ns2.julydns.com points to 162.159.48.223.
Host names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com.