ktb7.com - robtex.com
ktb7.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=1774383937 | ||||||
MX for
ktb7.com |
Same first word
ktb7.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
●NSns2.xserver.jp2017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
●NSns3.xserver.jp2017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
●NSns4.xserver.jp2017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
●NSns5.xserver.jp2017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
●MXktb7.com2017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
●A183.90.253.352017-09-18 → 2026-03-24 · 2 obs
● 2026-03-24 20:26:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| ktb7.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.246
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 ktb7.com (unsigned zone)
⏱️ Timing
Total: 1189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.253.35 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | ktb7.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1434.xserver.jp +a:ktb7.com |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Mail Server Role
ktb7.com serves as the mail server for ktb7.com.
IP Addresses
ktb7.com points to an IP address: 183.90.253.35.
other host names include xn--n8j639ju7go66b.com, www.hyou.co.jp, ouchi-medical.com, e081.com and achieve123.com; they share IP numbers with ktb7.com.
Name Servers
ktb7.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
ktb7.com at least partially shares name servers with other domains, for instance haccos.com, m-seat.jp, michino-eki.com, befam.net and chii-mama.com.
Names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Names with one IP number:
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
ktb7.com is handled by a single mail server.
The host name ktb7.com points to IP 183.90.253.35.