biotf.cn - robtex.com
biotf.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.194.216.82🇭🇰 HDHK45.194.208.0/20 Proxy-registered route object | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1777211272 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035035547 | ||||||
Subdomains
www.biotf.cn |
Same first word
Similar names
DNS History
13 records (3 active, 10 former)
○NSjm1.dns.com2020-03-24 → 2020-03-24 · 4 obs
● 2020-03-24 21:25:22
○ 2026-05-14 17:19:32
○ 2026-07-13 10:04:22
○NSjm2.dns.com2020-03-24 → 2020-03-24 · 4 obs
● 2020-03-24 21:25:22
○ 2026-05-14 17:19:32
○ 2026-07-13 10:04:22
●NSns1.julydns.com2026-05-14 → 2026-07-13 · 3 obs
● 2026-05-14 17:19:32
● 2026-07-13 10:04:22
○NSns11.bigwww.com2015-06-12 → 2017-02-08 · 4 obs
● 2017-02-08 18:35:38
○ 2020-03-24 21:25:22
○ 2026-07-13 10:04:22
●NSns2.julydns.com2026-05-14 → 2026-07-13 · 3 obs
● 2026-05-14 17:19:32
● 2026-07-13 10:04:22
○MXmx.ym.163.com2015-06-12 → 2017-02-08 · 4 obs
● 2017-02-08 18:35:38
○ 2020-03-24 21:25:22
○ 2026-07-13 10:04:22
○A113.17.175.42017-02-08 → 2017-02-08 · 4 obs
● 2017-02-08 18:35:38
○ 2020-03-24 21:25:22
○ 2026-07-13 10:04:22
○A125.65.165.1652015-06-12 → 2016-02-05 · 4 obs
● 2016-02-05 17:33:18
○ 2016-05-06 09:30:02
○ 2026-07-13 10:04:22
○A222.73.144.1762016-05-06 → 2016-05-06 · 4 obs
● 2016-05-06 09:30:02
○ 2017-02-08 18:35:38
○ 2026-07-13 10:04:22
●A45.194.216.822026-05-14 → 2026-07-13 · 3 obs
● 2026-05-14 17:19:32
● 2026-07-13 10:04:22
○CNAMEbiotf.cn.sudu-me6n.com2015-06-12 → 2016-02-05 · 4 obs
● 2016-02-05 17:33:18
○ 2016-05-06 09:30:02
○ 2026-07-13 10:04:22
○CNAMEe48694416567059b903d2585a09738a4.360safedns.com2016-05-06 → 2017-02-08 · 5 obs
● 2016-05-06 09:30:02
● 2017-02-08 18:35:38
○ 2020-03-24 21:25:22
○ 2026-07-13 10:04:22
○CNAMEwww.biotf.cn2020-03-24 → 2020-03-24 · 4 obs
● 2020-03-24 21:25:22
○ 2026-05-14 17:19:32
○ 2026-07-13 10:04:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| biotf.cn | ns1.julydns.com, ns2.julydns.com | - |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at biotf.cn: Error: DNS query timeout: 203.119.29.1 for DS biotf.cn
⏱️ Timing
Total: 4435ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.194.216.82 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
Hierarchy
biotf.cn is the parent zone for www.biotf.cn.
IP Addresses
biotf.cn points to a single IP number: 45.194.216.82.
Additional host names — zhirikedai.com, www.biotf.cn, xcdayang.com and two others — share IP numbers with biotf.cn.
Name Servers
biotf.cn is delegated to two name servers: ns1.julydns.com and ns2.julydns.com.
biotf.cn shares its name server setup with other domains, including zjleinuo.com, bitwellgold.com, jlyjds.com and two others.
biotf.cn partially shares its NS delegation with several other domains, including tzhanjin.com, xdnbtc.com, jiankanghulu.com and two others.
The name servers ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com are often found in use alongside these name servers.
ns1.julydns.com and ns2.julydns.com both resolve to the same single IP address: 162.159.48.223.
ns1.julydns.com and ns2.julydns.com are host names that each point to 162.159.48.223 IP addresses.