koolenglish.com - robtex.com
koolenglish.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 199.193.114.101 | ||||||
| PTR | 199-193-114-101.static.hvvc.us | ||||||
| NS | ns1.redmonddc.com ⭐ | ||||||
| A | 192.211.55.138🇰🇷 TURNKEY-INTERNET192.211.55.0/24 8010 Woodland Center Blvd Suite 500 Tampa FL 33614 United States | ||||||
| PTR | 192-211-55-138.static.hvvc.us | ||||||
| NS | ns2.redmonddc.com | ||||||
| A | 45.82.67.21🇳🇱 WORLDSTREAM-145.82.64.0/22 | ||||||
| PTR | 45-82-67-21.hosted-by-worldstream.net | ||||||
| SOA | ns1.redmonddc.comadmin@koolenglish.com 2026-07-22 #5 | ||||||
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=1786182654 | ||||||
Subdomains
mail.koolenglish.com |
Same first word
koolenglish.com |
Similar names
DNS History
10 records (3 active, 7 former)
○NSns1.milesmx.com2026-06-28 → 2026-06-28 · 4 obs
● 2026-06-28 05:33:18
○ 2026-08-08 09:55:18
○ 2026-08-08 09:55:20
●NSns1.redmonddc.com2026-06-28 → 2026-08-08 · 3 obs
● 2026-06-28 05:33:18
● 2026-08-08 09:55:20
○NSns2.milesmx.com2026-06-28 → 2026-06-28 · 4 obs
● 2026-06-28 05:33:18
○ 2026-08-08 09:55:18
○ 2026-08-08 09:55:20
●NSns2.redmonddc.com2026-06-28 → 2026-08-08 · 3 obs
● 2026-06-28 05:33:18
● 2026-08-08 09:55:20
○NSns83.naxza.com2015-06-11 → 2020-02-26 · 4 obs
● 2020-02-26 14:26:44
○ 2026-06-28 05:33:18
○ 2026-08-08 09:55:20
○NSns84.naxza.com2015-06-11 → 2020-02-26 · 4 obs
● 2020-02-26 14:26:44
○ 2026-06-28 05:33:18
○ 2026-08-08 09:55:20
○MXmail.koolenglish.com2015-06-11 → 2020-02-26 · 4 obs
● 2020-02-26 14:26:44
○ 2026-06-28 05:33:18
○ 2026-08-08 09:55:20
●A199.193.114.1012026-08-08 → 2026-08-08 · 3 obs
● 2026-08-08 09:55:18
● 2026-08-08 09:55:20
○A203.151.233.1162015-06-11 → 2020-02-26 · 4 obs
● 2020-02-26 14:26:44
○ 2026-06-28 05:33:18
○ 2026-08-08 09:55:20
○A23.82.16.532026-06-28 → 2026-06-28 · 4 obs
● 2026-06-28 05:33:18
○ 2026-08-08 09:55:18
○ 2026-08-08 09:55:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koolenglish.com | ns1.redmonddc.com, ns2.redmonddc.com | 2 records |
✅ Authoritative Response
Server:45.82.67.21
NS records: ns1.redmonddc.com, ns2.redmonddc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koolenglish.com (unsigned zone)
⏱️ Timing
Total: 311ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.82.67.240 |
| NS | 2 | ns1.redmonddc.com, ns2.redmonddc.com |
| SOA | 1 | ns1.redmonddc.com admin.koolenglish.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.redmonddc.com, ns2.redmonddc.com)
Analysis
Hierarchy
mail.koolenglish.com is a subdomain of koolenglish.com.
IP Addresses
koolenglish.com resolves to one IP address: 199.193.114.101.
199-193-114-101.static.hvvc.us, onepearlbutton.com, transpais.com and two other host names share IP numbers with koolenglish.com.
Name Servers
koolenglish.com is delegated to two name servers: ns1.redmonddc.com and ns2.redmonddc.com.
koolenglish.com uses the same name servers as several other domains — among them lsxus.com, myxer.com, senatorha.com and two more.
The name servers of koolenglish.com overlap at least partially with those of other domains — among them autorepman.com, alibabarab.com, pominova.com and two more.
These name servers commonly appear alongside the name servers ns1.milesmx.com and ns2.milesmx.com.
Both ns1.redmonddc.com and ns2.redmonddc.com have a single IP address each — ns1.redmonddc.com resolves to 192.211.55.138 while ns2.redmonddc.com resolves to 45.82.67.21.