biosysen.com - robtex.com
biosysen.com
| CNAME | biosysen-web.oss-cn-shenzhen.aliyuncs.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.74.1.42🇨🇳 Alibaba-Cloud112.74.0.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
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=1774571487 | ||||||
Same first word
biosysen.com |
Similar names
DNS History
10 records (6 active, 4 former)
●NSdns31.hichina.com2017-11-28 → 2026-03-27 · 2 obs
● 2017-11-28 06:06:50
● 2026-03-27 01:00:50
● 2026-03-27 01:00:50
●NSdns32.hichina.com2017-11-28 → 2026-03-27 · 2 obs
● 2017-11-28 06:06:50
● 2026-03-27 01:00:50
● 2026-03-27 01:00:50
○MXmx1.qiye.aliyun.com2026-03-21 → 2026-03-27 · 2 obs
○ 2026-03-21 10:56:12
○ 2026-03-27 01:00:50
○ 2026-03-27 01:00:50
○MXmx2.qiye.aliyun.com2026-03-21 → 2026-03-27 · 2 obs
○ 2026-03-21 10:56:12
○ 2026-03-27 01:00:50
○ 2026-03-27 01:00:50
○MXmx3.qiye.aliyun.com2026-03-21 → 2026-03-27 · 2 obs
○ 2026-03-21 10:56:12
○ 2026-03-27 01:00:50
○ 2026-03-27 01:00:50
○A182.92.81.742017-11-28 → 2017-11-28 · 3 obs
● 2017-11-28 06:06:50
○ 2026-03-21 10:56:12
○ 2026-03-27 01:00:50
○ 2026-03-21 10:56:12
○ 2026-03-27 01:00:50
●CNAMEbiosysen-web.oss-cn-shenzhen.aliyuncs.com2026-03-21 → 2026-03-27 · 2 obs
● 2026-03-21 10:56:12
● 2026-03-27 01:00:50
● 2026-03-27 01:00:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net... | - |
| biosysen.com | dns31.hichina.com, dns32.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.37
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biosysen.com (unsigned zone)
⏱️ Timing
Total: 507ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns31.hichina.com, dns32.hichina.com |
| MX | 3 | mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)... |
| TXT | 2 | verification-code-site-App_feishu=5cdo9A, v=spf1 +include:_netblocks.m.feishu.cn ~ |
| CNAME | 1 | biosysen-web.oss-cn-shenzhen.aliyuncs.co |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)
Analysis
IP Addresses
biosysen.com resolves to one IP number: 112.74.1.42.
Other host names including atomsh-www.oss-cn-shenzhen.aliyuncs.com, sz-followme-internet.oss-cn-shenzhen.aliyuncs.com, biosysen-web.oss-cn-shenzhen.aliyuncs.com and sjckj.oss-cn-shenzhen.aliyuncs.com share IP numbers with biosysen.com.