sisyu.jp - robtex.com
sisyu.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.xserver.jp | ||||||
| NS | ns2.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp ⚠️ Not in zone NS records | ||||||
| A | 157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns5.xserver.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=1775928603 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSns.sisyu.jp2015-06-26 → 2019-02-04 · 4 obs
● 2019-02-04 19:54:38
○ 2026-03-26 04:12:24
○ 2026-04-11 18:07:22
●NSns1.xserver.jp2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:12:24
● 2026-04-11 18:07:22
●NSns2.xserver.jp2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:12:24
● 2026-04-11 18:07:22
●NSns3.xserver.jp2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:12:24
● 2026-04-11 18:07:22
●NSns4.xserver.jp2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:12:24
● 2026-04-11 18:07:22
●NSns5.xserver.jp2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:12:24
● 2026-04-11 18:07:22
○MXmail.sisyu.jp2015-06-26 → 2019-02-04 · 4 obs
● 2019-02-04 19:54:38
○ 2026-03-26 04:12:24
○ 2026-04-11 18:07:22
○A118.155.214.132015-06-26 → 2015-11-08 · 4 obs
● 2015-11-08 14:21:26
○ 2016-05-05 05:39:30
○ 2026-04-11 18:07:22
○A124.211.27.1402016-05-05 → 2019-02-04 · 5 obs
● 2016-05-05 05:39:30
● 2019-02-04 19:54:38
○ 2026-03-26 04:12:24
○ 2026-04-11 18:07:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sisyu.jp | ns1.xserver.jp, ns3.xserver.jp, ns5.xserver.jp, ns2.xserver.jp... | 11 records |
✅ Authoritative Response
Server:183.90.224.226
NS records: ns1.xserver.jp, ns3.xserver.jp, ns5.xserver.jp, ns2.xserver.jp, ns4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sisyu.jp (unsigned zone)
⏱️ Timing
Total: 905ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)
Analysis
Name Servers
sisyu.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
sisyu.jp shares some name servers with other domains, for example feve-jiyugaoka.jp, ultrabem.com, kosodatehint.com, buzzneta.net and km-inds.com.
Host 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
Host names with one IP number:
- ns2.xserver.jp points to: 35.72.43.26
- ns3.xserver.jp points to: 202.226.36.247