21barcode.com - robtex.com
21barcode.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.239.182.2🇺🇸 USZNI-AS-AP156.239.176.0/20 | ||||||
| NS | ns1.dns.com ⭐ | ||||||
| A | 2001:df2:f080:2::1:1🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.128🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.128🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dns.com | ||||||
| A | 2001:df2:f080:2::1:2🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.129🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.129🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| SOA | ns1.dns.comadmin@dns.com serial=1767102577 | ||||||
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=1774400362 | ||||||
Same first word
21barcode.com |
DNS History
8 records (3 active, 5 former)
●NSns1.dns.com2026-02-23 → 2026-03-25 · 3 obs
● 2026-02-23 12:32:22
● 2026-03-25 01:06:18
○NSns15.xincache.com2015-06-23 → 2016-04-14 · 4 obs
● 2016-04-14 03:07:48
○ 2017-01-02 16:10:10
○ 2026-03-25 01:06:18
○NSns16.xincache.com2015-06-23 → 2016-04-14 · 4 obs
● 2016-04-14 03:07:48
○ 2017-01-02 16:10:10
○ 2026-03-25 01:06:18
○NSns19.xincache.com2017-01-02 → 2018-09-20 · 5 obs
● 2017-01-02 16:10:10
● 2018-09-20 21:45:56
○ 2026-02-23 12:32:22
○ 2026-03-25 01:06:18
●NSns2.dns.com2026-02-23 → 2026-03-25 · 3 obs
● 2026-02-23 12:32:22
● 2026-03-25 01:06:18
○NSns20.xincache.com2017-01-02 → 2018-09-20 · 5 obs
● 2017-01-02 16:10:10
● 2018-09-20 21:45:56
○ 2026-02-23 12:32:22
○ 2026-03-25 01:06:18
●A156.239.182.22026-02-23 → 2026-03-25 · 3 obs
● 2026-02-23 12:32:22
● 2026-03-25 01:06:18
○A211.152.35.412015-06-23 → 2017-01-02 · 4 obs
● 2017-01-02 16:10:10
○ 2018-09-20 21:45:56
○ 2026-03-25 01:06:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| 21barcode.com | ns1.dns.com, ns2.dns.com | 6 records |
✅ Authoritative Response
Server:154.23.191.128
NS records: ns1.dns.com, ns2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21barcode.com (unsigned zone)
⏱️ Timing
Total: 529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.239.182.2 |
| NS | 2 | ns1.dns.com, ns2.dns.com |
| SOA | 1 | ns1.dns.com admin.dns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)
Analysis
IP Addresses
21barcode.com maps to IP address 156.239.182.2.
Other host names, for instance m.composecv.com, www.ddjdzz.com, www.caimaosheng.com, apcomst2019.com and boss-dns.net share IP numbers with 21barcode.com.
Name Servers
Two name servers ns1.dns.com and ns2.dns.com are delegated to 21barcode.com.
21barcode.com uses the same name server configuration as other domains, such as china-yp.net, aabet88.com, fbkww.com, chinananpeng.com and zhitchina.com.
Host names with three IP numbers:
ns1.dns.com points to 2001:df2:f080:2::1:1, 154.23.191.128 and 154.86.21.128; ns2.dns.com points to 2001:df2:f080:2::1:2, 154.23.191.129 and 154.86.21.129.