webcl.jp - robtex.com
webcl.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=1785803403 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NS01.dnsv.jp2026-06-27 → 2026-08-04 · 3 obs
● 2026-06-27 21:56:40
● 2026-08-04 01:07:26
●NS02.dnsv.jp2026-06-27 → 2026-08-04 · 3 obs
● 2026-06-27 21:56:40
● 2026-08-04 01:07:26
●NS03.dnsv.jp2026-06-27 → 2026-08-04 · 3 obs
● 2026-06-27 21:56:40
● 2026-08-04 01:07:26
●NS04.dnsv.jp2026-06-27 → 2026-08-04 · 3 obs
● 2026-06-27 21:56:40
● 2026-08-04 01:07:26
○NSns.webcl.jp2015-07-21 → 2016-10-17 · 4 obs
● 2016-10-17 02:13:42
○ 2026-06-27 21:56:40
○ 2026-08-04 01:07:26
○NSnsx.clara.co.jp2015-07-21 → 2016-10-17 · 4 obs
● 2016-10-17 02:13:42
○ 2026-06-27 21:56:40
○ 2026-08-04 01:07:26
○MXmail.webcl.jp2015-07-21 → 2016-10-17 · 4 obs
● 2016-10-17 02:13:42
○ 2026-06-27 21:56:40
○ 2026-08-04 01:07:26
●MXworkacademy.sakura.ne.jp2026-06-27 → 2026-08-04 · 3 obs
● 2026-06-27 21:56:40
● 2026-08-04 01:07:26
○A124.108.39.1032015-07-21 → 2016-10-17 · 4 obs
● 2016-10-17 02:13:42
○ 2026-06-27 21:56:40
○ 2026-08-04 01:07:26
●A219.94.209.2402026-06-27 → 2026-08-04 · 3 obs
● 2026-06-27 21:56:40
● 2026-08-04 01:07:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, a.dns.jp, h.dns.jp, e.dns.jp... | - |
| webcl.jp | 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for webcl.jp (unsigned zone)
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.209.240 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | workacademy.sakura.ne.jp (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
IP Addresses
webcl.jp has exactly one IP address — 219.94.209.240.
w-ac.jp, 240.209.94.219.static.www325b.sakura.ne.jp, workacademy.com plus two other host names have IP numbers in common with webcl.jp.
Name Servers
Four name servers handle the delegation for webcl.jp: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
There is at least partial name server overlap between webcl.jp and other domains — skyblue4.com, apollowave.co.jp, tel-sys.com and two more among them.
Host names pointing to two IP addresses:
01.dnsv.jp resolves to two addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp resolves to two addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp resolves to two addresses: 157.7.35.53 and 2400:8500:3fff::53.
Host names resolving to a single IP address:
The hostname 02.dnsv.jp resolves to 157.7.33.53.
Mail Servers
webcl.jp uses one mail server — workacademy.sakura.ne.jp.
The mail server setup of webcl.jp matches that of other domains such as it-guide.net, request-form.info, shikaku-form.info and two others.
workacademy.sakura.ne.jp carries a single IP number, which is 219.94.209.240.