dddd4.cn - robtex.com
dddd4.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.236.71.88🇨🇳 CHINANET-SHAANXI-CLOUD-BASE103.236.71.0/24 Sichuan Xiaoteyun Technology Co., Ltd | ||||||
| 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=1765346048 | ||||||
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=2034582967 | ||||||
Same first word
DNS History
8 records (5 active, 3 former)
●NSns1.judns.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-03-11 10:13:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
●NSns1.julydns.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-03-11 10:13:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
●NSns2.judns.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-03-11 10:13:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
●NSns2.julydns.com2026-02-17 → 2026-03-24 · 3 obs
○ 2020-03-11 10:13:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
○NSns4.dnsdun.com2017-03-15 → 2017-03-15 · 3 obs
● 2017-03-15 12:35:14
○ 2020-03-11 10:13:00
○ 2026-03-24 20:44:00
○ 2020-03-11 10:13:00
○ 2026-03-24 20:44:00
○NSns6.dnsdun.net2017-03-15 → 2017-03-15 · 3 obs
● 2017-03-15 12:35:14
○ 2020-03-11 10:13:00
○ 2026-03-24 20:44:00
○ 2020-03-11 10:13:00
○ 2026-03-24 20:44:00
●A103.236.71.882026-02-17 → 2026-03-24 · 3 obs
○ 2020-03-11 10:13:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
● 2026-02-17 23:53:52
● 2026-03-24 20:44:00
○A204.12.238.902017-03-15 → 2017-03-15 · 3 obs
● 2017-03-15 12:35:14
○ 2020-03-11 10:13:00
○ 2026-03-24 20:44:00
○ 2020-03-11 10:13:00
○ 2026-03-24 20:44:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| dddd4.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 dddd4.cn (unsigned zone)
⏱️ Timing
Total: 1686ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.236.71.88 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
dddd4.cn resolves to a single IP: 103.236.71.88.
Name Servers
dddd4.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
dddd4.cn shares some name servers with other domains, for example a1sailboats.com, jingongjixie.com, gy2529.com, shvmyb.cn and dgsql.com.
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