drcchsu.com - robtex.com
drcchsu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.162.90.204🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | 139-162-90-204.ip.linodeusercontent.com | ||||||
| NS | ns2.drcchsu.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 139.162.90.204🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | 139-162-90-204.ip.linodeusercontent.com | ||||||
| NS | ns1.drcchsu.com ⚠️ Not in parent delegation | ||||||
| A | 139.162.90.204🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | 139-162-90-204.ip.linodeusercontent.com | ||||||
| NS | ns1.ps21j.lhtweb.net ⚠️ Not in zone NS records | ||||||
| A | 139.162.90.204🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | 139-162-90-204.ip.linodeusercontent.com | ||||||
| NS | ns2.ps21j.lhtweb.net ⚠️ Not in zone NS records | ||||||
| A | 139.162.90.204🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | 139-162-90-204.ip.linodeusercontent.com | ||||||
| MX | mail.drcchsu.com ⭐ | ||||||
| A | 139.162.90.204🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | 139-162-90-204.ip.linodeusercontent.com | ||||||
| TXT | google-site-verification=lPX4GH6ZRYNRfv70VS60HX3bmYbhPuIQLmVecCezd2A | ||||||
| TXT | google-site-verification=hfvsyygow0V0KuGzaI9IOvn7mKjJ3qgbJ7LGHykRBv0 | ||||||
| TXT | google-site-verification=uLBY7SNt_nZFYry98p91i5bIpF1n-uVLPqHvqhpRSCg | ||||||
| TXT | v=spf1 +a +mx +a:ps21j.lhtweb.net -all | ||||||
| SOA | ns2.drcchsu.comdrcc20190701@gmail.com 2025-12-31 #2 | ||||||
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=1785256617 | ||||||
Subdomains
Same first word
drcchsu.com |
DNS History
9 records (6 active, 3 former)
●NSns1.drcchsu.com2026-02-19 → 2026-07-28 · 3 obs
● 2026-02-19 22:37:44
● 2026-07-28 16:56:40
●NSns1.ps21j.lhtweb.net2026-02-19 → 2026-07-28 · 3 obs
● 2026-02-19 22:37:44
● 2026-07-28 16:56:40
●NSns2.drcchsu.com2026-02-19 → 2026-07-28 · 3 obs
● 2026-02-19 22:37:44
● 2026-07-28 16:56:40
●NSns2.ps21j.lhtweb.net2026-02-19 → 2026-07-28 · 3 obs
● 2026-02-19 22:37:44
● 2026-07-28 16:56:40
○NSns6275.hostgator.com2017-05-08 → 2017-05-08 · 3 obs
○ 2026-02-19 22:37:44
○ 2026-07-28 16:56:40
○NSns6276.hostgator.com2017-05-08 → 2017-05-08 · 3 obs
○ 2026-02-19 22:37:44
○ 2026-07-28 16:56:40
●MXmail.drcchsu.com2017-05-08 → 2026-07-28 · 2 obs
● 2026-07-28 16:56:40
●A139.162.90.2042026-02-19 → 2026-07-28 · 3 obs
● 2026-02-19 22:37:44
● 2026-07-28 16:56:40
○A192.254.187.762017-05-08 → 2017-05-08 · 3 obs
○ 2026-02-19 22:37:44
○ 2026-07-28 16:56:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| drcchsu.com | ns1.ps21j.lhtweb.net, ns2.ps21j.lhtweb.net | - |
✅ Authoritative Response
Server:139.162.90.204
NS records: ns1.ps21j.lhtweb.net, ns2.ps21j.lhtweb.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for drcchsu.com (unsigned zone)
⏱️ Timing
Total: 2003ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.162.90.204 |
| NS | 2 | ns2.drcchsu.com, ns1.drcchsu.com |
| MX | 1 | mail.drcchsu.com (pri: 10) |
| TXT | 4 | google-site-verification=lPX4GH6ZRYNRfv7, google-site-verification=uLBY7SNt_nZFYry... |
| SOA | 1 | ns2.drcchsu.com drcc20190701.gmail.com |
Analysis
Hierarchy
mail.drcchsu.com, ns1.drcchsu.com and ns2.drcchsu.com are all subdomains of drcchsu.com.
IP Addresses
drcchsu.com points to a single IP number: 139.162.90.204.
Additional host names — 365in.com.tw, ns2.betterlivingdays.com, ns1.adwintw.com and two others — share IP numbers with drcchsu.com.
Name Servers
drcchsu.com has four authoritative name servers: ns1.drcchsu.com, ns2.drcchsu.com, ns1.ps21j.lhtweb.net and ns2.ps21j.lhtweb.net.
The name servers of drcchsu.com overlap at least partially with those of other domains — among them maokingtw.com, upn43.com, 200911.com.tw and two more.
These name servers commonly appear in delegations together with ns1.upn43.com, ns2.upn43.com, ns1.200911.com.tw and 5 other.
ns1.drcchsu.com, ns2.drcchsu.com, ns1.ps21j.lhtweb.net and ns2.ps21j.lhtweb.net all resolve to the same single IP address: 139.162.90.204.
The host names ns1.drcchsu.com, ns2.drcchsu.com, ns1.ps21j.lhtweb.net and ns2.ps21j.lhtweb.net all point to 139.162.90.204.
Mail Servers
drcchsu.com has one mail server: mail.drcchsu.com.
mail.drcchsu.com resolves to a single IP number: 139.162.90.204.