donau.cn - robtex.com
donau.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.1 | ||||||
| NS | ns1.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| NS | ns2.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| MX | mail.happyisp.com ⭐ | ||||||
| A | 5.161.49.68🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24 | ||||||
| PTR | mail.happyisp.com | ||||||
| A | 137.184.158.105🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean | ||||||
| PTR | mail.happyisp.com | ||||||
| TXT | v=spf1 ip6:fd0d:d741:e183::/48 -all | ||||||
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=2034661180 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.exp.4cun.com2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 00:50:26
● 2026-04-12 04:39:50
○NSns11.bigwww.com2015-06-13 → 2017-07-01 · 4 obs
● 2017-07-01 02:17:56
○ 2026-03-26 00:50:26
○ 2026-04-12 04:39:50
●NSns2.exp.4cun.com2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 00:50:26
● 2026-04-12 04:39:50
●MXmail.happyisp.com2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 00:50:26
● 2026-04-12 04:39:50
○MXmx.sendcloud.org2016-01-16 → 2017-07-01 · 5 obs
● 2016-01-16 23:13:56
● 2017-07-01 02:17:56
○ 2026-03-26 00:50:26
○ 2026-04-12 04:39:50
○MXmxbiz1.qq.com2015-06-13 → 2015-06-13 · 3 obs
○ 2016-01-16 23:13:56
○ 2026-04-12 04:39:50
○MXmxbiz2.qq.com2015-06-13 → 2015-06-13 · 3 obs
○ 2016-01-16 23:13:56
○ 2026-04-12 04:39:50
○A114.215.176.2412015-06-13 → 2015-06-13 · 3 obs
○ 2016-01-16 23:13:56
○ 2026-04-12 04:39:50
●A127.0.0.12026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 00:50:26
● 2026-04-12 04:39:50
○A223.4.147.122016-01-16 → 2017-07-01 · 5 obs
● 2016-01-16 23:13:56
● 2017-07-01 02:17:56
○ 2026-03-26 00:50:26
○ 2026-04-12 04:39:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| donau.cn | dns15.hichina.com, dns16.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.52
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for donau.cn (unsigned zone)
⏱️ Timing
Total: 4699ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.239.42.110 |
| NS | 2 | dns16.hichina.com, dns15.hichina.com |
| SOA | 1 | dns15.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
donau.cn resolves to a single IP: 127.0.0.1.
Other host names, for instance 0.0.4.c.3.0.0.b.8.0.1.0.0.2.ip6.arpa, c8080.com, www.8887488dd1.shop, 254.220.4.static.quadranet.com and mail.lespralines.de share IP numbers with donau.cn.
Name Servers
donau.cn has two name servers: ns1.exp.4cun.com and ns2.exp.4cun.com.
donau.cn shares the same name server setup as other domains, for example yndscgj.com, guobaoyanxuan.com, newphotobook.com, ifyouthinkit.com and hallberg.cn.
donau.cn shares some name servers with other domains, for instance huikui775.cn, 365xl.cn and cnkavass.com.
These name servers are commonly used with the name servers ns3.exp.4cun.com.
Host names with one IP number:
ns1.exp.4cun.com points to: 60.190.243.160
ns2.exp.4cun.com points to: 60.190.243.160
Names pointing to 60.190.243.160: ns1.exp.4cun.com and ns2.exp.4cun.com
Mail Servers
donau.cn is handled by a single mail server, mail.happyisp.com.
donau.cn shares the mail server setup with other domains, for example xinsui.com.cn, baseet.com, baifei.com.cn, baoya.cn and dfb.in.
mail.happyisp.com resolves to two IPs: 5.161.49.68 and 137.184.158.105.