51qixue.com - robtex.com
51qixue.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.10.210.133🇭🇰 POWERLINE-HK45.10.210.0/24 Proxy-registered route object | ||||||
| NS | a4.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b4.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1756953047 | ||||||
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=1784024342 | ||||||
Subdomains
www.51qixue.com |
Same first word
51qixue.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSa.share-dns.com2026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 10:22:28
●NSa4.share-dns.com2026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 10:22:28
●NSb.share-dns.net2026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 10:22:28
●NSb4.share-dns.net2026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 10:22:28
○NSdns3.hichina.com2018-11-11 → 2018-11-11 · 2 obs
○ 2026-07-14 10:22:28
○NSdns4.hichina.com2018-11-11 → 2018-11-11 · 2 obs
○ 2026-07-14 10:22:28
●A45.10.210.1332026-07-14 → 2026-07-14 · 2 obs
● 2026-07-14 10:22:28
○A47.244.91.692018-11-11 → 2018-11-11 · 2 obs
○ 2026-07-14 10:22:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51qixue.com | b4.share-dns.net, a4.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b4.share-dns.net, a4.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51qixue.com (unsigned zone)
⏱️ Timing
Total: 296ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.10.210.133 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a4.share-dns.com)
Analysis
Hierarchy
51qixue.com is a parent domain of www.51qixue.com.
IP Addresses
51qixue.com directs to one IP number, which is 45.10.210.133.
Host names such as nmyjzs.com and www.51qixue.com share IP numbers with 51qixue.com.
Name Servers
The domain 51qixue.com is delegated to these four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.
51qixue.com shares at least some of its name servers with other domains, including chinamecal.com, 7141222.com, gzhnjd.com and two others.
These name servers are frequently seen alongside a2.share-dns.com, b2.share-dns.net, a1.share-dns.com and 7 other name servers.
Each of a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net has a single IP address — a4.share-dns.com and a.share-dns.com direct to 172.64.53.25, and b4.share-dns.net and b.share-dns.net direct to 172.64.52.239.
Both a4.share-dns.com and a.share-dns.com resolve to 172.64.53.25 IP addresses each.
Both b4.share-dns.net and b.share-dns.net resolve to 172.64.52.239 IP addresses each.