021cbs.com - robtex.com
021cbs.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
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=1774818022 | ||||||
Same first word
021cbs.com |
DNS History
7 records (4 active, 3 former)
○NSdns21.hichina.com2015-06-06 → 2016-12-10 · 3 obs
● 2016-12-10 10:58:52
○ 2026-03-29 21:23:02
○NSdns22.hichina.com2015-06-06 → 2016-12-10 · 3 obs
● 2016-12-10 10:58:52
○ 2026-03-29 21:23:02
●NSns1.julydns.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 21:23:02
●NSns2.julydns.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 21:23:02
○A223.4.170.2342015-06-06 → 2016-12-10 · 3 obs
● 2016-12-10 10:58:52
○ 2026-03-29 21:23:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 021cbs.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 021cbs.com (unsigned zone)
⏱️ Timing
Total: 515ms | 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
021cbs.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
021cbs.com at least partially shares name servers with other domains, for instance sdmjml.com, yite.cc, ztcf8.com, gongwenzhiwu.cn and qdriyu.com.
These name servers are commonly used with jm1.dns.com and jm2.dns.com.
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 that point to 47.97.51.45: ns1.judns.com and ns1.julydns.com.