smiledoctor.cn - robtex.com
smiledoctor.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.1 | ||||||
| NS | ns1.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 43.165.183.246🇸🇬 TENCENT-NET-AP-CN43.165.128.0/18 Proxy-registered route object | ||||||
| NS | ns2.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| MX | mail.happyisp.com ⭐ | ||||||
| A | 5.161.49.68🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24 | ||||||
| A | 137.184.158.105🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean | ||||||
| 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=2035064379 | ||||||
Same first word
smiledoctor.org |
smiledoctor.ca |
smiledoctor.de |
smiledoctor.info |
smiledoctor.at |
smiledoctor.net |
smiledoctor.co |
smiledoctor.ch |
smiledoctor.ru |
smiledoctor.co.uk |
smiledoctor.co.nz |
smiledoctor.cn |
smiledoctor.com |
Similar names
doctorsmile.jp |
slimedoctor.com |
doctorsmile.net |
doctorsmile.ru |
doctorsmile.by |
doctorsmile.xyz |
doctormiles.com |
dolometrics.com |
doctorsmile.com |
doctorsmile.es |
DNS History
11 records (4 active, 7 former)
○NSdns10.hichina.com2015-05-27 → 2016-03-13 · 4 obs
● 2016-03-13 01:24:46
○ 2016-07-10 17:34:46
○ 2026-07-20 07:40:16
○NSdns9.hichina.com2015-05-27 → 2016-03-13 · 4 obs
● 2016-03-13 01:24:46
○ 2016-07-10 17:34:46
○ 2026-07-20 07:40:16
●NSns1.exp.4cun.com2026-07-10 → 2026-07-20 · 3 obs
● 2026-07-10 22:42:46
● 2026-07-20 07:40:16
○NSns1.judns.com2026-03-27 → 2026-03-27 · 4 obs
● 2026-03-27 01:33:04
○ 2026-07-10 22:42:46
○ 2026-07-20 07:40:16
○NSns1.julydns.com2026-03-27 → 2026-03-27 · 4 obs
● 2026-03-27 01:33:04
○ 2026-07-10 22:42:46
○ 2026-07-20 07:40:16
●NSns2.exp.4cun.com2026-07-10 → 2026-07-20 · 3 obs
● 2026-07-10 22:42:46
● 2026-07-20 07:40:16
○NSns2.judns.com2026-03-27 → 2026-03-27 · 4 obs
● 2026-03-27 01:33:04
○ 2026-07-10 22:42:46
○ 2026-07-20 07:40:16
○NSns2.julydns.com2026-03-27 → 2026-03-27 · 4 obs
● 2026-03-27 01:33:04
○ 2026-07-10 22:42:46
○ 2026-07-20 07:40:16
●MXmail.happyisp.com2026-07-20 → 2026-07-20 · 1 obs
●A127.0.0.12026-07-20 → 2026-07-20 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn... | - |
| smiledoctor.cn | ns1.exp.4cun.com, ns2.exp.4cun.com | - |
✅ Authoritative Response
Server:43.165.183.246
NS records: ns1.exp.4cun.com, ns2.exp.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smiledoctor.cn (unsigned zone)
⏱️ Timing
Total: 1429ms | 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
IP Addresses
smiledoctor.cn resolves to one IP address: 127.0.0.1.
mobile.lapianyi.sinaapp.com, 45.57.146.static.quadranet.com, 68.46.0.85.dynamic.wline.res.cust.swisscom.ch and two other host names share IP numbers with smiledoctor.cn.
Name Servers
smiledoctor.cn is served by two delegated name servers, ns1.exp.4cun.com and ns2.exp.4cun.com.
smiledoctor.cn uses the same name servers as several other domains — among them 776428.cn, lyhcdz.cn, qhdbjd.com and two more.
The name servers for smiledoctor.cn overlap at least in part with those of other domains, including atvod.cn and hyxkjc.com.
These name servers commonly co-occur with the name servers ns3.exp.4cun.com, ns4.exp.4cun.com, ns5.exp.4cun.com and ns6.exp.4cun.com.
Hosts with just one IP address:
ns1.exp.4cun.com points to the IP address 43.165.183.246.
Mail Servers
Mail for smiledoctor.cn is handled by a single mail server, mail.happyisp.com.
smiledoctor.cn uses an identical mail server configuration to several other domains — among them futuofx.cn, sherun.cn, liangyongqin.cn and two more.
mail.happyisp.com resolves to two IP numbers — 5.161.49.68 and 137.184.158.105.