ubest1.com.cn - robtex.com
ubest1.com.cn
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030749346 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSdns.4cun.com2026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
●MXcdn10.intel-email.com2026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
●MXcdn11.intel-email.com2026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
●MXcdn12.intel-amail.com2026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
●MXcdn13.intel-amail.com2026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
●A106.12.155.622026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
●A240c:4081:8003:660a::52026-07-15 → 2026-08-12 · 4 obs
○ 2026-07-20 10:46:04
● 2026-08-12 18:41:02
● 2026-08-12 18:41:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ubest1.com.cn | dns3.4cun.com, dns4.51dns.top | - |
✅ Authoritative Response
Server:219.138.102.210
NS records: dns3.4cun.com, dns4.51dns.top
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ubest1.com.cn (unsigned zone)
⏱️ Timing
Total: 2132ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 106.12.155.62 |
| AAAA | 1 | 240c:4081:8003:660a::5 |
| MX | 4 | cdn10.intel-email.com (pri: 1), cdn11.intel-email.com (pri: 1)... |
| TXT | 1 | v=spf1 include:spf.intel-mail.com includ |
| SOA | 1 | dns.4cun.com admin.ubest1.com.cn |
Analysis
IP Addresses
ubest1.com.cn points to the IP addresses 106.12.155.62 and 240c:4081:8003:660a::5
ubest.com.cn, for instance, is one of the other host names sharing IP numbers with ubest1.com.cn.
Name Servers
The authoritative name servers for ubest1.com.cn are dns3.4cun.com, dns.4cun.com and dns4.51dns.top — three in total.
The name servers of ubest1.com.cn overlap at least partially with those of other domains — among them byfsw.com, fudei.com, ecojoyproducts.com and two more.
These name servers commonly appear in delegations together with dns7.4cun.com, dns1.4cun.com, dns8.51dns.top and 7 other.
Both dns3.4cun.com and dns4.51dns.top have two IP addresses each. dns3.4cun.com resolves to 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8; dns4.51dns.top resolves to 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8.
Both dns3.4cun.com and dns4.51dns.top resolve to 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses each.
Mail Servers
The four mail servers for ubest1.com.cn are cdn12.intel-amail.com, cdn13.intel-amail.com, cdn10.intel-email.com and cdn11.intel-email.com.
ubest1.com.cn has at least partial mail server overlap with other domains such as botian.com, qhhl.com.hk, nepc.com.cn and two more.
This set of mail servers commonly appears together with the mail servers kinglai.intel-cloud.com.
cdn12.intel-amail.com, cdn13.intel-amail.com, cdn10.intel-email.com and cdn11.intel-email.com all direct to two IP numbers — 47.75.28.179 and 47.91.199.220.
cdn12.intel-amail.com, cdn13.intel-amail.com, cdn10.intel-email.com and cdn11.intel-email.com are host names that each resolve to 47.75.28.179.
cdn12.intel-amail.com, cdn13.intel-amail.com, cdn10.intel-email.com and cdn11.intel-email.com are host names that each resolve to 47.91.199.220.