r528e.cn - robtex.com
r528e.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=2034595402 | ||||||
Subdomains
www.r528e.cn |
Same first word
r528e.cn |
DNS History
11 records (4 active, 7 former)
○NSdns19.hichina.com2019-12-19 → 2019-12-19 · 3 obs
○ 2026-02-25 23:27:44
○ 2026-03-27 19:35:10
○NSdns20.hichina.com2019-12-19 → 2019-12-19 · 3 obs
○ 2026-02-25 23:27:44
○ 2026-03-27 19:35:10
●NSns1.exp.4cun.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 19:35:10
○NSns1.judns.com2026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 23:27:44
○ 2026-03-27 19:35:10
○NSns1.julydns.com2026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 23:27:44
○ 2026-03-27 19:35:10
●NSns2.exp.4cun.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 19:35:10
○NSns2.judns.com2026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 23:27:44
○ 2026-03-27 19:35:10
○NSns2.julydns.com2026-02-25 → 2026-02-25 · 3 obs
● 2026-02-25 23:27:44
○ 2026-03-27 19:35:10
●MXmail.happyisp.com2026-03-27 → 2026-03-27 · 1 obs
●A127.0.0.12026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 19:35:10
○A156.244.247.852026-02-25 → 2026-02-25 · 2 obs
○ 2026-03-27 19:35:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn... | - |
| r528e.cn | ns1.exp.4cun.com, ns2.exp.4cun.com | - |
✅ Authoritative Response
Server:60.190.243.160
NS records: ns1.exp.4cun.com, ns2.exp.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r528e.cn (unsigned zone)
⏱️ Timing
Total: 1784ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| MX | 1 | mail.happyisp.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd0d:d741:e183::/48 -all |
Analysis
Hierarchy
r528e.cn is the parent of www.r528e.cn.
IP Addresses
r528e.cn resolves to one IP number: 127.0.0.1.
other host names including 0.246.63.81.dynamic.wline.res.cust.swisscom.ch, 44.108.86.static.quadranet.com, 2027492452.localhost, mail.gul.az and mail.sol-s.de share IP numbers with r528e.cn.
Name Servers
r528e.cn is delegated to two name servers ns1.exp.4cun.com and ns2.exp.4cun.com.
r528e.cn shares the same name server setup as other domains, for instance sohu99.com, dicju.com, bjseraphim.com, krcar.cn and howtocom.com.
r528e.cn at least partially shares name servers with other domains, for instance ivta.com.cn, 365xl.cn, cnkavass.com and js5k.com.
these name servers are often used together with ns3.exp.4cun.com, ns4.exp.4cun.com, ns5.exp.4cun.com and ns6.exp.4cun.com.
Host names with a single IP:
ns1.exp.4cun.com points to 60.190.243.160.
ns2.exp.4cun.com points to 60.190.243.160.
Host names pointing to 60.190.243.160: ns1.exp.4cun.com and ns2.exp.4cun.com.
Mail Servers
r528e.cn is handled by a single mail server, mail.happyisp.com.
r528e.cn shares the same mail server setup as other domains, for instance 0382.cn, aerospacekorea.com, www.ruibi.com, fitter.cn and ww.hk24635.wsdns.cc.
mail.happyisp.com resolves to two IP numbers: 5.161.49.68 and 137.184.158.105.