21sq.top - robtex.com
21sq.top
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.55.97.12🇭🇰 VHGLOBAL38.55.97.0/24 Proxy-registered route object | ||||||
| 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=1773539493 | ||||||
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | g.zdnscloud.com | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-03-26_19:05:02 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1395365694 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-03-24 → 2026-03-26 · 2 obs
● 2026-03-26 11:20:20
●NSns2.julydns.com2026-03-24 → 2026-03-26 · 2 obs
● 2026-03-26 11:20:20
●A38.55.97.122026-03-24 → 2026-03-26 · 2 obs
● 2026-03-26 11:20:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| top | c.zdnscloud.com, f.zdnscloud.cn, a.zdnscloud.cn, g.zdnscloud.com... | - |
| 21sq.top | 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 21sq.top (unsigned zone)
⏱️ Timing
Total: 601ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.55.97.12 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
21sq.top resolves to a single IP address: 38.55.97.12.
Other host names, such as sg17.yczfcn.com and msg17.yczfcn.com, share IP numbers with 21sq.top.
Name Servers
21sq.top is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
21sq.top at least partially shares name servers with other domains, including shaxyl.cn, daoyl.com, gxhht.com, cmwwj.cn and zqswe.cn.
Host names with a single IP number:
- 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
Host names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com