koo-lab.com - robtex.com
koo-lab.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=1786422094 | ||||||
MX for
koo-lab.com |
Same first word
koo-lab.com |
Similar names
DNS History
10 records (7 active, 3 former)
○NSns1.renewyourname.net2017-12-17 → 2017-12-17 · 3 obs
○ 2026-02-24 02:58:20
○ 2026-08-11 04:27:10
●NSns1.xserver.jp2026-02-24 → 2026-08-11 · 3 obs
● 2026-02-24 02:58:20
● 2026-08-11 04:27:10
○NSns2.renewyourname.net2017-12-17 → 2017-12-17 · 3 obs
○ 2026-02-24 02:58:20
○ 2026-08-11 04:27:10
●NSns2.xserver.jp2026-02-24 → 2026-08-11 · 3 obs
● 2026-02-24 02:58:20
● 2026-08-11 04:27:10
●NSns3.xserver.jp2026-02-24 → 2026-08-11 · 3 obs
● 2026-02-24 02:58:20
● 2026-08-11 04:27:10
●NSns4.xserver.jp2026-02-24 → 2026-08-11 · 3 obs
● 2026-02-24 02:58:20
● 2026-08-11 04:27:10
●NSns5.xserver.jp2026-02-24 → 2026-08-11 · 3 obs
● 2026-02-24 02:58:20
● 2026-08-11 04:27:10
●MXkoo-lab.com2026-02-24 → 2026-08-11 · 2 obs
● 2026-08-11 04:27:10
●A202.210.8.842026-02-24 → 2026-08-11 · 3 obs
● 2026-02-24 02:58:20
● 2026-08-11 04:27:10
○A69.64.147.282017-12-17 → 2017-12-17 · 3 obs
○ 2026-02-24 02:58:20
○ 2026-08-11 04:27:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koo-lab.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koo-lab.com (unsigned zone)
⏱️ Timing
Total: 1147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.210.8.84 |
| NS | 5 | ns1.xserver.jp, ns5.xserver.jp... |
| MX | 1 | koo-lab.com (pri: 0) |
| TXT | 2 | v=spf1 +a:sv10563.xserver.jp +a:koo-lab., google-site-verification=yGuWbZmFkqmGx3X |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
koo-lab.com serves as a mail server for koo-lab.com.
IP Addresses
koo-lab.com has exactly one IP address — 202.210.8.84.
kimmado.xsrv.jp, sht-hyogo.jp, tanosan.net plus two other host names have IP numbers in common with koo-lab.com.
Name Servers
Five name servers handle delegation for koo-lab.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
The name servers of koo-lab.com overlap at least partially with those of other domains — among them zentsuji.com, actor-fan.com, dancing-doctor.com and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
koo-lab.com uses exactly one mail server, which is koo-lab.com.
koo-lab.com points to one IP number — 202.210.8.84.