cn.yubantec.com - robtex.com
cn.yubantec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.17.147.74🇨🇳 CHINANET-BACKBONE218.16.0.0/14 Guangdong Province | ||||||
| PTR | mail.cn.yubantec.com | ||||||
| NS | ns.cn.yubantec.com ⭐ | ||||||
| NS | dns.cn.yubantec.com ⚠️ Not in parent delegation | ||||||
| A | 61.66.79.121🇹🇼 NCIC-TW61.66.79.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| NS | ns2.yubantec.com | ||||||
| A | 61.66.79.121🇹🇼 NCIC-TW61.66.79.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| MX | mail.cn.yubantec.com ⭐ | ||||||
| A | 218.17.147.74🇨🇳 CHINANET-BACKBONE218.16.0.0/14 Guangdong Province | ||||||
| PTR | mail.cn.yubantec.com | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com ip4:59.120.196.26 ip4:218.17.147.74... | ||||||
| SOA | ns.cn.yubantec.commail@cn.yubantec.com serial=15 | ||||||
yubantec.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ens1.net-chinese.com.tw ⭐ | ||||||
| NS | ens2.net-chinese.com.tw | ||||||
| MX | yubantec-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com ip4:59.120.196.26 ip4:218.17.147.74... | ||||||
| SOA | ens1.net-chinese.com.twabuse@digiage.com.tw 2015-08-13 #36 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSdns.cn.yubantec.com2015-08-11 → 2026-04-23 · 2 obs
● 2015-08-11 06:30:38
● 2026-04-23 22:33:12
● 2026-04-23 22:33:12
●NSns.cn.yubantec.com2026-02-16 → 2026-04-23 · 3 obs
○ 2015-08-11 06:30:38
● 2026-02-16 04:28:48
● 2026-04-23 22:33:12
● 2026-02-16 04:28:48
● 2026-04-23 22:33:12
●NSns2.yubantec.com2015-08-11 → 2026-04-23 · 2 obs
● 2015-08-11 06:30:38
● 2026-04-23 22:33:12
● 2026-04-23 22:33:12
●MXmail.cn.yubantec.com2015-08-11 → 2026-04-23 · 2 obs
● 2015-08-11 06:30:38
● 2026-04-23 22:33:12
● 2026-04-23 22:33:12
○A124.172.124.1932015-08-11 → 2016-04-08 · 4 obs
● 2015-08-11 06:30:38
● 2016-04-08 12:42:10
○ 2026-02-16 04:28:48
○ 2026-04-23 22:33:12
● 2016-04-08 12:42:10
○ 2026-02-16 04:28:48
○ 2026-04-23 22:33:12
●A218.17.147.742026-02-16 → 2026-04-23 · 3 obs
○ 2016-04-08 12:42:10
● 2026-02-16 04:28:48
● 2026-04-23 22:33:12
● 2026-02-16 04:28:48
● 2026-04-23 22:33:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| yubantec.com | ens1.net-chinese.com.tw, ens2.net-chinese.com.tw | - |
| cn.yubantec.com | ns2.yubantec.com | - |
✅ Authoritative Response
Server:61.66.79.121
NS records: ns2.yubantec.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yubantec.com (unsigned zone)
⏱️ Timing
Total: 1781ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.17.147.74 |
| NS | 2 | dns.cn.yubantec.com, ns2.yubantec.com |
| MX | 1 | mail.cn.yubantec.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.cn.yubantec.com mail.cn.yubantec.com |
Analysis
Hierarchy
cn.yubantec.com is parent of mail.cn.yubantec.com and dns.cn.yubantec.com.
IP Addresses
cn.yubantec.com points to a single IP: 218.17.147.74.
Other host names, for instance mail.cn.yubantec.com, share IP numbers with cn.yubantec.com.
Name Servers
cn.yubantec.com is delegated to three name servers: ns2.yubantec.com, dns.cn.yubantec.com and ns.cn.yubantec.com.
Host names with one IP number: ns2.yubantec.com and dns.cn.yubantec.com point to 61.66.79.121.
Mail Servers
cn.yubantec.com is served by a single mail server, mail.cn.yubantec.com.
mail.cn.yubantec.com points to IP number 218.17.147.74.