syscom.jp - robtex.com
syscom.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.226.39.148🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| 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. | ||||||
| NS | ns2.xserver.jp | ||||||
| A | 35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| NS | ns3.xserver.jp | ||||||
| A | 202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| NS | ns4.xserver.jp | ||||||
| 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. | ||||||
| NS | ns5.xserver.jp | ||||||
| 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. | ||||||
| MX | syscom.jp ⭐ | ||||||
| A | 202.226.39.148🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| TXT | v=spf1 +a:sv308.xserver.jp +a:syscom.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.xserver.jproot@sv0.xserver.jp serial=0 | ||||||
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=1794439803 | ||||||
MX for
syscom.jp |
Same first word
Similar names
Previous names
sysa.jp |
sysad.jp |
sysadmin.jp |
sysadmingroup.jp |
sysart.jp |
sysb-web.jp |
sysb.jp |
sysbas.jp |
sysbee.jp |
sysbird.jp |
sysbx.jp |
sysc.jp |
sysca.jp |
syscargo.jp |
syscat.jp |
syschool.jp |
syscloud.jp |
sysco-ai.jp |
sysco-pro.jp |
syscode.jp |
Next names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-07-25 → 2026-11-12 · 2 obs
● 2026-11-12 00:01:20
●NSns2.xserver.jp2015-07-25 → 2026-11-12 · 2 obs
● 2026-11-12 00:01:20
●NSns3.xserver.jp2015-07-25 → 2026-11-12 · 2 obs
● 2026-11-12 00:01:20
●NSns4.xserver.jp2015-07-25 → 2026-11-12 · 2 obs
● 2026-11-12 00:01:20
●NSns5.xserver.jp2015-07-25 → 2026-11-12 · 2 obs
● 2026-11-12 00:01:20
●MXsyscom.jp2015-07-25 → 2026-11-12 · 2 obs
● 2026-11-12 00:01:20
●A202.226.39.1482026-10-01 → 2026-11-12 · 3 obs
● 2026-10-01 07:39:02
● 2026-11-12 00:01:20
○A219.94.203.1482015-07-25 → 2017-10-17 · 4 obs
● 2017-10-17 04:03:56
○ 2026-10-01 07:39:02
○ 2026-11-12 00:01:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| syscom.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:183.90.224.226
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 984ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.39.148 |
| NS | 5 | ns2.xserver.jp, ns5.xserver.jp... |
| MX | 1 | syscom.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv308.xserver.jp +a:syscom.jp |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
syscom.jp serves as a mail server for syscom.jp.
IP Addresses
syscom.jp has exactly one IP address — 202.226.39.148.
paper-museum.jp, chukosya.biz, ningyou-kuyou.net plus two other host names have IP numbers in common with syscom.jp.
Name Servers
Five name servers handle delegation for syscom.jp: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
syscom.jp shares at least some of its name servers with other domains, including naruto-retreat.jp, funayamadensetsu.jp, hito-kyoiku.jp and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names with three IP numbers:
The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
syscom.jp uses exactly one mail server, which is syscom.jp.
syscom.jp points to one IP number — 202.226.39.148.