21sm.com - robtex.com
21sm.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 168.76.229.116🇿🇦 ASLINE-AS-AP168.76.224.0/20 Proxy-registered route object | ||||||
| NS | ns1.domainnamedns.com ⭐ | ||||||
| A | 2a0e:df80:a:1::a5b🇺🇸 VMISS2a0e:df80:a::/48 | ||||||
| A | 38.165.22.197🇺🇸 VMISS38.165.22.0/24 Customer Route | ||||||
| NS | ns2.domainnamedns.com | ||||||
| A | 2604:86c0:2001:6::2672:72b7🇺🇸 AS630232604:86c0:2000::/36 GTHOST-LAX | ||||||
| A | 38.114.114.183🇨🇦 AS6302338.114.114.0/24 Route Registered for Cogent Communications Customer GLOBALTELEHOST CORP. | ||||||
| PTR | 183-114-114-38.clients.gthost.com | ||||||
| NS | ns3.domainnamedns.com ⚠️ Not in parent delegation | ||||||
| A | 2406:da18:e80:ec00:7b68:89e5:1ce1:c481🇸🇬 Amazon2406:da18:c00::/38 AWS | ||||||
| A | 54.151.142.119🇸🇬 Amazon54.151.128.0/17 SIN prefix | ||||||
| PTR | ec2-54-151-142-119.ap-southeast-1.compute.amazonaws.com | ||||||
| NS | ns4.domainnamedns.com ⚠️ Not in parent delegation | ||||||
| A | 2604:86c0:2001:c::43dc:4833🇺🇸 AS630232604:86c0:2000::/36 GTHOST-LAX | ||||||
| A | 67.220.72.51🇺🇸 AS6302367.220.72.0/24 GTHOST | ||||||
| PTR | 51-72-220-67.clients.gthost.com | ||||||
| SOA | ns1.domainnamedns.comsupport@namens.net serial=1764570640 | ||||||
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=1774542387 | ||||||
Same first word
21sm.com |
Similar names
DNS History
12 records (5 active, 7 former)
○NSdns1.name-services.com2015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
○NSdns2.name-services.com2015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
○NSdns3.name-services.com2015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
○NSdns4.name-services.com2015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
○NSdns5.name-services.com2015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
●NSns1.domainnamedns.com2026-03-11 → 2026-03-26 · 3 obs
● 2026-03-11 03:37:18
● 2026-03-26 16:49:06
●NSns2.domainnamedns.com2026-03-11 → 2026-03-26 · 3 obs
● 2026-03-11 03:37:18
● 2026-03-26 16:49:06
●NSns3.domainnamedns.com2026-03-11 → 2026-03-26 · 3 obs
● 2026-03-11 03:37:18
● 2026-03-26 16:49:06
●NSns4.domainnamedns.com2026-03-11 → 2026-03-26 · 3 obs
● 2026-03-11 03:37:18
● 2026-03-26 16:49:06
●A168.76.229.1162026-03-11 → 2026-03-26 · 3 obs
● 2026-03-11 03:37:18
● 2026-03-26 16:49:06
○A216.24.201.2222015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
○A216.24.201.252015-08-17 → 2016-12-07 · 4 obs
● 2016-12-07 15:24:46
○ 2026-03-11 03:37:18
○ 2026-03-26 16:49:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| 21sm.com | ns1.domainnamedns.com, ns2.domainnamedns.com | 5 records |
✅ Authoritative Response
Server:38.165.22.197
NS records: ns1.domainnamedns.com, ns2.domainnamedns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21sm.com (unsigned zone)
⏱️ Timing
Total: 296ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.76.229.116 |
| NS | 4 | ns4.domainnamedns.com, ns3.domainnamedns.com... |
| SOA | 1 | ns1.domainnamedns.com support.namens.net |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns1.domainnamedns.com, ns1.domainnamedns.com, ns1.domainnamedns.com...)
Analysis
IP Addresses
21sm.com resolves to one IP number: 168.76.229.116.
Other host names, for instance junwanggroup.com, share IP numbers with 21sm.com.
Name Servers
21sm.com is delegated to four name servers: ns1.domainnamedns.com, ns2.domainnamedns.com, ns3.domainnamedns.com and ns4.domainnamedns.com.
21sm.com at least partially shares name servers with other domains, for instance dedcxi.vip, czchuying.com, cnneedu.com, ansilp.com and jwshang.com.
Host names with two IP numbers:
ns1.domainnamedns.com points to 2a0e:df80:a:1::a5b and 38.165.22.197; ns2.domainnamedns.com points to 2604:86c0:2001:6::2672:72b7 and 38.114.114.183; ns3.domainnamedns.com points to 2406:da18:e80:ec00:7b68:89e5:1ce1:c481 and 54.151.142.119; ns4.domainnamedns.com points to 2604:86c0:2001:c::43dc:4833 and 67.220.72.51.