21zyw.com - robtex.com
21zyw.com
| 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 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786433104 | ||||||
Same first word
21zyw.com |
Similar names
DNS History
10 records (4 active, 6 former)
○NSf1g1ns1.dnspod.net2015-07-08 → 2016-02-08 · 4 obs
● 2016-02-08 23:12:32
○ 2018-10-25 20:06:50
○ 2026-08-11 07:33:40
○NSf1g1ns2.dnspod.net2015-07-08 → 2016-02-08 · 4 obs
● 2016-02-08 23:12:32
○ 2018-10-25 20:06:50
○ 2026-08-11 07:33:40
○NSns1.dnspai.com2018-10-25 → 2018-10-25 · 4 obs
● 2018-10-25 20:06:50
○ 2026-08-09 14:17:06
○ 2026-08-11 07:33:40
●NSns1.judns.com2026-08-09 → 2026-08-11 · 3 obs
● 2026-08-09 14:17:06
● 2026-08-11 07:33:40
●NSns1.julydns.com2026-08-09 → 2026-08-11 · 3 obs
● 2026-08-09 14:17:06
● 2026-08-11 07:33:40
○NSns2.dnspai.com2018-10-25 → 2018-10-25 · 4 obs
● 2018-10-25 20:06:50
○ 2026-08-09 14:17:06
○ 2026-08-11 07:33:40
●NSns2.judns.com2026-08-09 → 2026-08-11 · 3 obs
● 2026-08-09 14:17:06
● 2026-08-11 07:33:40
●NSns2.julydns.com2026-08-09 → 2026-08-11 · 3 obs
● 2026-08-09 14:17:06
● 2026-08-11 07:33:40
○A23.234.26.952015-11-14 → 2017-02-04 · 4 obs
● 2017-02-04 00:12:14
○ 2018-10-25 20:06:50
○ 2026-08-11 07:33:40
○A50.118.234.962018-10-25 → 2018-10-25 · 4 obs
● 2018-10-25 20:06:50
○ 2026-08-09 14:17:06
○ 2026-08-11 07:33:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21zyw.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21zyw.com (unsigned zone)
⏱️ Timing
Total: 196ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Name Servers
Four name servers handle the delegation for 21zyw.com: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
At least some of 21zyw.com's name servers are shared with other domains, for example zczhibo2025.cn, yry-zs.com, 52xuejia8.com and two more.
These name servers tend to be deployed in combination with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com and ns2.judns.com share the IP address 162.159.27.251; ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223.
These two host names — ns1.judns.com and ns2.judns.com — each point to 162.159.27.251 IP addresses.
These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.