yunbuapp.com - robtex.com
yunbuapp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.36.161.113🇨🇳 HWCSNET121.36.128.0/18 Huawei Clouds Shanghai Region | ||||||
| PTR | ecs-121-36-161-113.compute.hwclouds-dns.com | ||||||
| NS | dns3.4cun.com ⭐ | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 61.172.183.74🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC | ||||||
| NS | dns.4cun.com ⚠️ Not in zone NS records | ||||||
| NS | dns4.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | dns.4cun.comadmin@yunbuapp.com serial=1772528096 | ||||||
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=1776218647 | ||||||
Same first word
yunbuapp.com |
DNS History
7 records (6 active, 1 former)
●NSdns3.4cun.com2026-04-02 → 2026-04-15 · 3 obs
● 2026-04-02 21:47:42
● 2026-04-15 02:13:54
●NSdns4.51dns.top2026-04-02 → 2026-04-15 · 3 obs
● 2026-04-02 21:47:42
● 2026-04-15 02:13:54
●A121.36.161.1132026-04-02 → 2026-04-15 · 3 obs
● 2026-04-02 21:47:42
● 2026-04-15 02:13:54
○A123.59.145.1982017-09-18 → 2017-09-18 · 3 obs
○ 2026-04-02 21:47:42
○ 2026-04-15 02:13:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| yunbuapp.com | dns3.4cun.com, dns4.51dns.top | 2 records |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns3.4cun.com, dns4.51dns.top
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yunbuapp.com (unsigned zone)
⏱️ Timing
Total: 1546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.36.161.113 |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | dns.4cun.com admin.yunbuapp.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns3.4cun.com, dns3.4cun.com)
Analysis
IP Addresses
yunbuapp.com resolves to one IP number: 121.36.161.113.
Name Servers
yunbuapp.com is delegated to three name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.
yunbuapp.com at least partially shares name servers with other domains, including fwwz.com, gztbk.com, hzmanga.com, imission.com.cn and yaouc.com.
These name servers are commonly used with dns7.4cun.com, dns1.4cun.com, dns2.51dns.top, dns5.4cun.com, dns6.51dns.top, ns3.4cun.com, ns4.4cun.com, ns1.4cun.com, dns4.4cun.com and dns8.51dns.top.
Host names with two IP numbers:
dns3.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74
dns4.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210
Host names that point to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns3.4cun.com and dns4.51dns.top
Mail Servers
yunbuapp.com is served by two mail servers mxbiz1.qq.com and mxbiz2.qq.com.
yunbuapp.com shares the same mail server setup as other domains, for instance 51marine.com, lbaoji.com, hirosy.net, gqdata.cn and zgxhcs.com.
yunbuapp.com shares some mail servers with other domains, at least in part; for example starpos.com.cn and mailer.dealmoon.com.