techderm.com - robtex.com
techderm.com
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=1776130282 | ||||||
Subdomains
www.techderm.com |
Same first word
techderm.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSdns21.hichina.com2015-05-05 → 2026-04-14 · 2 obs
● 2026-04-14 01:35:44
●NSdns22.hichina.com2015-05-05 → 2026-04-14 · 2 obs
● 2026-04-14 01:35:44
●MXmxn.mxhichina.com2015-05-05 → 2026-04-14 · 2 obs
● 2026-04-14 01:35:44
●MXmxw.mxhichina.com2015-05-05 → 2026-04-14 · 2 obs
● 2026-04-14 01:35:44
●A18.206.139.1342026-03-06 → 2026-04-14 · 3 obs
● 2026-03-06 12:07:00
● 2026-04-14 01:35:44
○A54.227.237.1182016-09-12 → 2017-05-13 · 4 obs
● 2017-05-13 01:15:36
○ 2026-03-06 12:07:00
○ 2026-04-14 01:35:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| techderm.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techderm.com (unsigned zone)
⏱️ Timing
Total: 3571ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.206.139.134 |
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)
Analysis
Hierarchy
The parent of www.techderm.com is techderm.com.
IP Addresses
techderm.com points to a single IP number: 18.206.139.134.
Other host names, for example www.techderm.com, godnest.com, ec2-18-206-139-134.compute-1.amazonaws.com and hyawell.com share IP numbers with techderm.com.
Name Servers
techderm.com is delegated to two name servers: dns21.hichina.com and dns22.hichina.com.
techderm.com uses the same name server setup as other domains, for instance zhic.com, weishao.com.cn, ddmtg.com, nieco.cn and adsmocha.cn.
techderm.com shares name servers with other domains at least partially, for instance i-vce.com, sqpveh.com, glinks.xyz, yunsense.com and merrygirl.cn.
these name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns21.hichina.com points to 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110; dns22.hichina.com points to 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
Mail Servers
techderm.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.
techderm.com shares the same mail server setup as other domains, including cli.cc, luckydecoration.com, y-skf.com, qingshuangkeji.com and dl-cg.com.
techderm.com shares some mail servers with other domains, including protaidea.com, grandcanal.com.cn, clidar.com, multibrands.cn and raysdom.com.
these mail servers are commonly used with mxbiz1.qq.com, mxbiz2.qq.com, mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
Host names with two IPs:
mxn.mxhichina.com points to: 47.246.136.231 and 47.246.137.47.
Host names with one IP:
mxw.mxhichina.com points to: 47.246.99.195.