21windows.com - dns.ninja
21windows.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsowl.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a88🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1bad🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.136Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.27.173Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.dnsowl.com | ||||||
| A | 2400:cb00:2049:1::a29f:1a31🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b82🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.49Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.27.130Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.dnsowl.com | ||||||
| A | 2400:cb00:2049:1::a29f:1aea🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b62🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.234Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.27.98Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.dnsowl.comhostmaster@dnsowl.com serial=1786320713 | ||||||
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=1786319514 | ||||||
Subdomains
www.21windows.com |
Same first word
21windows.com |
Similar names
DNS History
12 records (3 active, 9 former)
○NSdns7.hichina.com2015-07-10 → 2019-12-27 · 4 obs
● 2019-12-27 12:08:14
○ 2026-07-11 01:15:34
○ 2026-08-10 00:13:26
○NSdns8.hichina.com2015-07-10 → 2019-12-27 · 4 obs
● 2019-12-27 12:08:14
○ 2026-07-11 01:15:34
○ 2026-08-10 00:13:26
●NSns1.dnsowl.com2026-07-11 → 2026-08-10 · 3 obs
● 2026-07-11 01:15:34
● 2026-08-10 00:13:26
○NSns1.sharesdns.com2026-07-11 → 2026-08-10 · 2 obs
○ 2026-08-10 00:13:26
●NSns2.dnsowl.com2026-07-11 → 2026-08-10 · 3 obs
● 2026-07-11 01:15:34
● 2026-08-10 00:13:26
○NSns2.sharesdns.com2026-07-11 → 2026-08-10 · 2 obs
○ 2026-08-10 00:13:26
●NSns3.dnsowl.com2026-07-11 → 2026-08-10 · 3 obs
● 2026-07-11 01:15:34
● 2026-08-10 00:13:26
○MXmail.21windows.com2015-07-10 → 2017-02-12 · 4 obs
● 2017-02-12 20:18:18
○ 2019-12-27 12:08:14
○ 2026-08-10 00:13:26
○A103.20.194.502016-03-02 → 2017-02-12 · 6 obs
● 2016-03-02 21:37:50
○ 2016-06-23 08:31:34
● 2017-02-12 20:18:18
○ 2019-12-27 12:08:14
○ 2026-08-10 00:13:26
○A103.20.194.852016-06-23 → 2016-06-23 · 4 obs
● 2016-06-23 08:31:34
○ 2017-02-12 20:18:18
○ 2026-08-10 00:13:26
○A118.126.11.1442015-07-10 → 2015-11-18 · 4 obs
● 2015-11-18 19:33:34
○ 2016-03-02 21:37:50
○ 2026-08-10 00:13:26
○A172.247.41.2052026-07-11 → 2026-08-10 · 2 obs
○ 2026-08-10 00:13:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21windows.com | ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com | 12 records |
✅ Authoritative Response
Server:162.159.26.234
NS records: ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21windows.com (unsigned zone)
⏱️ Timing
Total: 195ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.dnsowl.com, ns2.dnsowl.com... |
| SOA | 1 | ns1.dnsowl.com hostmaster.dnsowl.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)
Analysis
Hierarchy
21windows.com is the parent zone for www.21windows.com.
Name Servers
Three name servers are authoritative for 21windows.com: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.
21windows.com partially shares its NS delegation with several other domains, including baliwae.net, naughty-america.me, ip-global.com and two others.
The hosts ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com each resolve to four IP addresses. ns1.dnsowl.com points to 162.159.26.136, 162.159.27.173, 2400:cb00:2049:1::a29f:1a88 and 2400:cb00:2049:1::a29f:1bad. ns2.dnsowl.com points to 162.159.26.49, 162.159.27.130, 2400:cb00:2049:1::a29f:1a31 and 2400:cb00:2049:1::a29f:1b82. ns3.dnsowl.com points to 162.159.26.234, 162.159.27.98, 2400:cb00:2049:1::a29f:1aea and 2400:cb00:2049:1::a29f:1b62.