51zfc.com - robtex.com
51zfc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.224.250.14🇭🇰 MYCLOUD-AS-AP156.224.192.0/18 CloudFly Net Inc | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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 | 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 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1770024192 | ||||||
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=1774402057 | ||||||
Same first word
51zfc.com |
Similar names
DNS History
8 records (5 active, 3 former)
○NSdns17.hichina.com2015-08-22 → 2017-05-20 · 4 obs
● 2017-05-20 12:28:20
○ 2026-03-25 01:31:08
○ 2026-03-25 01:31:12
○NSdns18.hichina.com2015-08-22 → 2017-05-20 · 4 obs
● 2017-05-20 12:28:20
○ 2026-03-25 01:31:08
○ 2026-03-25 01:31:12
●NSns1.judns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:31:08
● 2026-03-25 01:31:12
●NSns1.julydns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:31:08
● 2026-03-25 01:31:12
●NSns2.judns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:31:08
● 2026-03-25 01:31:12
●NSns2.julydns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:31:08
● 2026-03-25 01:31:12
○A120.87.37.1232015-08-22 → 2017-05-20 · 4 obs
● 2017-05-20 12:28:20
○ 2026-03-25 01:31:08
○ 2026-03-25 01:31:12
●A156.224.250.142026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:31:08
● 2026-03-25 01:31:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| 51zfc.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 51zfc.com (unsigned zone)
⏱️ Timing
Total: 4255ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.224.250.14 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
IP Addresses
51zfc.com points to a single IP: 156.224.250.14.
Name Servers
51zfc.com's delegation is handled by four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
51zfc.com partially shares name servers with other domains; examples include alijt.com.cn, afxq.com, ynjlhb.com, ytzyzz.com and yeebian.com.
Host names with one 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.