51ucity.com - robtex.com
51ucity.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.204.41.6🇭🇰 LCS-AS-AP154.204.41.0/24 Cloud Innovation Ltd | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| PTR | ip-47-97-51-45.defastlink.net | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-48-223.defastlink.net | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1747051495 | ||||||
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 | ||||||
Subdomains
www.51ucity.com |
Same first word
51ucity.com |
DNS History
6 records (3 active, 3 former)
○NSdns21.hichina.com2015-05-31 → 2017-06-19 · 3 obs
● 2017-06-19 21:57:00
○ 2026-03-24 11:53:50
○NSdns22.hichina.com2015-05-31 → 2017-06-19 · 3 obs
● 2017-06-19 21:57:00
○ 2026-03-24 11:53:50
●NSns1.julydns.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:53:50
●NSns2.julydns.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:53:50
○MXmail.51ucity.com2015-05-31 → 2017-06-19 · 3 obs
● 2017-06-19 21:57:00
○ 2026-03-24 11:53:50
●A154.204.41.62026-03-24 → 2026-03-24 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net... | - |
| 51ucity.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ucity.com (unsigned zone)
⏱️ Timing
Total: 335ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.204.41.6 |
| 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.julydns.com, ns2.julydns.com)
Analysis
Hierarchy
The parent of www.51ucity.com is 51ucity.com.
IP Addresses
51ucity.com points to a single IP: 154.204.41.6.
Other host names such as desai360.com and www.51ucity.com share IP numbers with 51ucity.com.
Name Servers
Two name servers ns1.julydns.com and ns2.julydns.com handle delegation for 51ucity.com.
51ucity.com uses the same name server setup as other domains, for example lidaola.com, petgoodsonsale.com, 8ab8.cc, gylm7.com and syrhgg.com.
51ucity.com partially shares name servers with other domains; examples include wfzxwk.com, qzbmw.cn, 566697.cn, gzswhg.com and ntwenming.cn.
These name servers are often used with the name servers ns1.judns.com and ns2.judns.com.
Host names with one IP number: The host name ns1.julydns.com points to 47.97.51.45 and the host name ns2.julydns.com points to 162.159.48.223.