lib-kaatsu.jp - robtex.com
lib-kaatsu.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1785429002 | ||||||
MX for
lib-kaatsu.jp |
Same first word
lib-kaatsu.jp |
DNS History
11 records (7 active, 4 former)
○NSmaster.dns.ne.jp2015-08-07 → 2017-05-17 · 4 obs
● 2017-05-17 16:17:06
○ 2026-04-14 08:53:00
○ 2026-07-30 16:41:50
○NSns1.dns.ne.jp2015-08-07 → 2017-05-17 · 4 obs
● 2017-05-17 16:17:06
○ 2026-04-14 08:53:00
○ 2026-07-30 16:41:50
●NSns1.xserver.jp2026-04-14 → 2026-07-30 · 3 obs
● 2026-04-14 08:53:00
● 2026-07-30 16:41:50
○NSns2.dns.ne.jp2015-08-07 → 2017-05-17 · 4 obs
● 2017-05-17 16:17:06
○ 2026-04-14 08:53:00
○ 2026-07-30 16:41:50
●NSns2.xserver.jp2026-04-14 → 2026-07-30 · 3 obs
● 2026-04-14 08:53:00
● 2026-07-30 16:41:50
●NSns3.xserver.jp2026-04-14 → 2026-07-30 · 3 obs
● 2026-04-14 08:53:00
● 2026-07-30 16:41:50
●NSns4.xserver.jp2026-04-14 → 2026-07-30 · 3 obs
● 2026-04-14 08:53:00
● 2026-07-30 16:41:50
●NSns5.xserver.jp2026-04-14 → 2026-07-30 · 3 obs
● 2026-04-14 08:53:00
● 2026-07-30 16:41:50
●MXlib-kaatsu.jp2015-08-07 → 2026-07-30 · 2 obs
● 2026-07-30 16:41:50
●A183.181.89.542026-04-14 → 2026-07-30 · 3 obs
● 2026-04-14 08:53:00
● 2026-07-30 16:41:50
○A59.106.171.602015-08-07 → 2017-05-17 · 4 obs
● 2017-05-17 16:17:06
○ 2026-04-14 08:53:00
○ 2026-07-30 16:41:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, d.dns.jp, f.dns.jp, a.dns.jp... | - |
| lib-kaatsu.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.247
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 lib-kaatsu.jp (unsigned zone)
⏱️ Timing
Total: 2542ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.89.54 |
| NS | 5 | ns4.xserver.jp, ns1.xserver.jp... |
| MX | 1 | lib-kaatsu.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv8213.xserver.jp +a:lib-kaats |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)
Analysis
Mail Server Role
lib-kaatsu.jp is listed as a mail server for itself.
IP Addresses
lib-kaatsu.jp resolves to one IP address: 183.181.89.54.
www.sugi-sc.com, softarts.jp, murasaki.info and two other host names share IP numbers with lib-kaatsu.jp.
Name Servers
lib-kaatsu.jp has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
There is at least partial name server overlap between lib-kaatsu.jp and other domains — juso-coworking.com, kotani-jyuken.co.jp, nisiyama-tax.com and two more among them.
These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that resolve to three IP addresses:
ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp points to the IP address 35.72.43.26.
ns3.xserver.jp points to the IP address 202.226.36.247.
Mail Servers
Mail for lib-kaatsu.jp is handled by one mail server — lib-kaatsu.jp.
There is one IP number for lib-kaatsu.jp: 183.181.89.54.