bioaer.cn - robtex.com
bioaer.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.191.49.137🇨🇳 CHINANET-BACKBONE61.190.0.0/15 China Telecom Network | ||||||
| NS | ns5000.01isp.com ⭐ | ||||||
| A | 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2🇨🇳 Alibaba-Cloud2408:4003::/33 | ||||||
| A | 47.115.116.64🇨🇳 Alibaba-Cloud47.115.0.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | ns1.01isp.com | ||||||
| A | 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2🇨🇳 Alibaba-Cloud2408:4003::/33 | ||||||
| A | 47.115.116.64🇨🇳 Alibaba-Cloud47.115.0.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | ns2.01isp.net | ||||||
| A | 47.238.130.49🇭🇰 Alibaba-Cloud47.238.0.0/16 Proxy-registered route object | ||||||
| MX | mx620.now.net.cn ⭐ | ||||||
| A | 119.120.94.93🇨🇳 CHINANET-BACKBONE119.120.0.0/13 China Telecom Network | ||||||
| TXT | v=spf1 include:speedmail.cn -all | ||||||
| SOA | ns5000.01isp.comadmin@now.cn 2026-07-16 #1 | ||||||
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=2035058341 | ||||||
Same first word
bioaer.cn |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns5000.01isp.com2026-04-09 → 2026-07-19 · 5 obs
● 2026-04-09 03:49:18
○ 2026-07-15 06:52:18
● 2026-07-15 13:47:04
● 2026-07-19 01:58:36
●MXmx620.now.net.cn2026-04-09 → 2026-07-19 · 4 obs
○ 2026-07-15 06:52:18
● 2026-07-15 13:47:04
● 2026-07-19 01:58:36
○A61.132.221.2442015-05-07 → 2017-02-06 · 4 obs
● 2017-02-06 14:19:02
○ 2026-04-09 03:49:18
○ 2026-07-19 01:58:36
●A61.191.49.1372026-04-09 → 2026-07-19 · 5 obs
● 2026-04-09 03:49:18
○ 2026-07-15 06:52:18
● 2026-07-15 13:47:04
● 2026-07-19 01:58:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn... | - |
| bioaer.cn | ns1.01isp.com, ns2.01isp.net | - |
✅ Authoritative Response
Server:47.238.130.49
NS records: ns1.01isp.com, ns2.01isp.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bioaer.cn (unsigned zone)
⏱️ Timing
Total: 1887ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.191.49.137 |
| NS | 2 | ns1.01isp.com, ns2.01isp.net |
| MX | 1 | mx620.now.net.cn (pri: 10) |
| TXT | 1 | v=spf1 include:speedmail.cn -all |
| SOA | 1 | ns5000.01isp.com admin.now.cn |
Analysis
IP Addresses
bioaer.cn resolves to one IP address: 61.191.49.137.
hsanhua.com.cn, cczxq.com, ahdvm.com and two other host names share IP numbers with bioaer.cn.
Name Servers
DNS for bioaer.cn is handled by three authoritative name servers: ns1.01isp.com, ns5000.01isp.com and ns2.01isp.net.
At least some of bioaer.cn's name servers are shared with other domains, for example xjxjy.cn, 21plc.com.cn, bbjyc.cn and two more.
These name servers tend to be deployed in combination with the name servers ns5002.01isp.net and ns5001.01isp.cn.
Hostnames that resolve to two IP addresses:
ns1.01isp.com has two IP addresses: 47.115.116.64 and 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2.
ns5000.01isp.com has two IP addresses: 47.115.116.64 and 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2.
Hosts with just one IP address:
ns2.01isp.net directs to 47.238.130.49.
Host names pointing to 2408:4003:10b1:ad01:74ac:80d9:90d9:85f2 IP addresses: ns1.01isp.com and ns5000.01isp.com.
Host names pointing to 47.115.116.64 IP addresses: ns1.01isp.com and ns5000.01isp.com.
Mail Servers
Mail for bioaer.cn is handled by a single mail server, mx620.now.net.cn.
bioaer.cn uses an identical mail server configuration to several other domains — among them cnics.net.cn, ahjjsc.cn, yingtong.cn and two more.
bioaer.cn has at least partial mail server overlap with other domains such as 100feng.net, sfsyy.com.cn, tibao.hk and two more.
It is common to see these mail servers combined with the mail servers mx620hk.now.net.cn, mx1.mx660.now.net.cn and mx2.mx660.now.net.cn.
mx620.now.net.cn has exactly one IP number: 119.120.94.93.