sumashuku.jp - robtex.com
sumashuku.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=1777130102 | ||||||
Subdomains
Same first word
sumashuku.jp |
DNS History
8 records (5 active, 3 former)
●NSns1.xdomain.ne.jp2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 08:00:38
● 2026-04-25 15:41:56
●NSns2.xdomain.ne.jp2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 08:00:38
● 2026-04-25 15:41:56
●NSns3.xdomain.ne.jp2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 08:00:38
● 2026-04-25 15:41:56
○NSnsx1.mitene.ad.jp2019-04-14 → 2026-02-28 · 4 obs
● 2026-02-28 16:06:24
○ 2026-04-25 08:00:38
○ 2026-04-25 15:41:56
○NSnsx2.mitene.ad.jp2019-04-14 → 2026-02-28 · 4 obs
● 2026-02-28 16:06:24
○ 2026-04-25 08:00:38
○ 2026-04-25 15:41:56
●MXsumashuku-jp.mail.protection.outlook.com2026-02-28 → 2026-04-25 · 2 obs
● 2026-04-25 15:41:56
●A133.167.113.2292026-02-28 → 2026-04-25 · 3 obs
● 2026-02-28 16:06:24
● 2026-04-25 15:41:56
○A133.167.35.562019-04-14 → 2019-04-14 · 3 obs
○ 2026-02-28 16:06:24
○ 2026-04-25 15:41:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sumashuku.jp | ns1.xdomain.ne.jp, ns2.xdomain.ne.jp, ns3.xdomain.ne.jp | 3 records |
✅ Authoritative Response
Server:162.43.113.246
NS records: ns1.xdomain.ne.jp, ns2.xdomain.ne.jp, ns3.xdomain.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sumashuku.jp (unsigned zone)
⏱️ Timing
Total: 875ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.113.229 |
| NS | 3 | ns2.xdomain.ne.jp, ns3.xdomain.ne.jp... |
| MX | 1 | sumashuku-jp.mail.protection.outlook.com |
| TXT | 3 | adobe-idp-site-verification=2356e27897fb, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns1.xdomain.ne.jp root.xdomain.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.xdomain.ne.jp, ns2.xdomain.ne.jp, ns3.xdomain.ne.jp)
Analysis
Hierarchy
sumashuku.jp is a parent of www.sumashuku.jp and svfc.sumashuku.jp.
IP Addresses
sumashuku.jp points to a single IP: 133.167.113.229.
Other host names, for instance suma.ac.jp, www.sumashuku.jp and os3-386-26475.vs.sakura.ne.jp share IP numbers with sumashuku.jp.
Name Servers
sumashuku.jp is delegated to three name servers: ns1.xdomain.ne.jp, ns2.xdomain.ne.jp and ns3.xdomain.ne.jp.
sumashuku.jp partially shares name servers with other domains; examples include takashima.fukuoka.jp, sachi-salon.com, kettlebellshopdenmark.com, delivery-riders-hub.com and honjyo-k.com.
Host names with one IP number:
Host ns1.xdomain.ne.jp points to 157.112.147.232.
Host ns2.xdomain.ne.jp points to 35.75.232.118.
Host ns3.xdomain.ne.jp points to 162.43.113.246.
Mail Servers
sumashuku.jp is handled by a single mail server, sumashuku-jp.mail.protection.outlook.com.
Hostname sumashuku-jp.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::1, 2a01:111:f403:cc24::, 52.101.124.1, 52.101.124.5, 52.101.157.11 and 52.101.157.40.