520b.com - robtex.com
520b.com
| CNAME | tz.3k3g.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.240.73.200🇭🇰 Alibaba-Cloud | ||||||
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=1771291435 | ||||||
Same first word
Similar names
b520.com |
b520.org |
b520.me |
502b.com |
b205.com |
502b.cn |
b250.net |
b205.cn |
052b.com |
b502.cc |
052b.work |
50b2.com |
b520.com.cn |
b520.cn |
b025.com |
DNS History
15 records (5 active, 10 former)
○NSdns1.name-services.com2015-05-11 → 2015-10-11 · 4 obs
● 2015-05-11 02:34:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
○NSdns10.hichina.com2015-12-11 → 2018-06-02 · 5 obs
○ 2015-10-11 09:24:26
● 2015-12-11 20:26:54
● 2018-06-02 20:11:36
○ 2026-02-23 19:47:16
○ 2026-02-23 19:47:18
● 2015-12-11 20:26:54
● 2018-06-02 20:11:36
○ 2026-02-23 19:47:16
○ 2026-02-23 19:47:18
○NSdns2.name-services.com2015-05-11 → 2015-10-11 · 4 obs
● 2015-05-11 02:34:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
○NSdns3.name-services.com2015-05-11 → 2015-10-11 · 4 obs
● 2015-05-11 02:34:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
○NSdns4.name-services.com2015-05-11 → 2015-10-11 · 4 obs
● 2015-05-11 02:34:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
○NSdns5.name-services.com2015-05-11 → 2015-10-11 · 4 obs
● 2015-05-11 02:34:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
○NSdns9.hichina.com2015-12-11 → 2018-06-02 · 5 obs
○ 2015-10-11 09:24:26
● 2015-12-11 20:26:54
● 2018-06-02 20:11:36
○ 2026-02-23 19:47:16
○ 2026-02-23 19:47:18
● 2015-12-11 20:26:54
● 2018-06-02 20:11:36
○ 2026-02-23 19:47:16
○ 2026-02-23 19:47:18
●NSns1.judns.com2026-02-23 → 2026-02-23 · 3 obs
○ 2018-06-02 20:11:36
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
●NSns1.julydns.com2026-02-23 → 2026-02-23 · 3 obs
○ 2018-06-02 20:11:36
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
●NSns2.judns.com2026-02-23 → 2026-02-23 · 3 obs
○ 2018-06-02 20:11:36
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
●NSns2.julydns.com2026-02-23 → 2026-02-23 · 3 obs
○ 2018-06-02 20:11:36
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
● 2026-02-23 19:47:16
● 2026-02-23 19:47:18
○A202.108.22.52015-05-11 → 2015-10-11 · 4 obs
● 2015-05-11 02:34:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
● 2015-10-11 09:24:26
○ 2015-12-11 20:26:54
○ 2026-02-23 19:47:18
○A98.126.16.1072016-09-16 → 2016-09-16 · 4 obs
○ 2015-12-11 20:26:54
● 2016-09-16 14:49:38
○ 2018-06-02 20:11:36
○ 2026-02-23 19:47:18
● 2016-09-16 14:49:38
○ 2018-06-02 20:11:36
○ 2026-02-23 19:47:18
○CNAMEoverdue.aliyun.com2018-06-02 → 2018-06-02 · 3 obs
● 2018-06-02 20:11:36
○ 2026-02-23 19:47:16
○ 2026-02-23 19:47:18
○ 2026-02-23 19:47:16
○ 2026-02-23 19:47:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 520b.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 520b.com (unsigned zone)
⏱️ Timing
Total: 456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| TXT | 2 | dan-ownership-verification=gkw1d5v9, afternic-verification-FGw9saxRMeoeUe2YaL |
| CNAME | 1 | tz.3k3g.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
AI analysis
520b.com points to a single IP: 47.240.73.200.
Other host names such as tz.kaichi.wang and tz.3k3g.com share IP numbers with 520b.com.