sideb.co.jp - robtex.com
sideb.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
sideb.co.jp |
Same first word
sideb.com |
sideb.site |
sideb.it |
sideb.co.jp |
sideb.co.nz |
sideb.xyz |
sideb.hatenablog.com |
sideb.club |
sideb.net |
sideb.co.za |
Similar names
DNS History
13 records (7 active, 6 former)
○NSfjkdns01.alpha-prm.jp2018-06-20 → 2018-06-20 · 3 obs
○ 2026-06-23 11:02:00
○ 2026-07-10 03:07:42
○NSfjkdns02.alpha-prm.jp2018-06-20 → 2018-06-20 · 3 obs
○ 2026-06-23 11:02:00
○ 2026-07-10 03:07:42
○NSfjkdns03.alpha-prm.jp2018-06-20 → 2018-06-20 · 3 obs
○ 2026-06-23 11:02:00
○ 2026-07-10 03:07:42
○NSfjkmst01.alpha-prm.jp2018-06-20 → 2018-06-20 · 3 obs
○ 2026-06-23 11:02:00
○ 2026-07-10 03:07:42
●NSns1.xserver.jp2026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
●NSns2.xserver.jp2026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
●NSns3.xserver.jp2026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
●NSns4.xserver.jp2026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
●NSns5.xserver.jp2026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
○MXmxi.alpha-prm.jp2018-06-20 → 2018-06-20 · 3 obs
○ 2026-06-23 11:02:00
○ 2026-07-10 03:07:42
●MXsideb.co.jp2026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
○A23.236.62.1472018-06-20 → 2018-06-20 · 3 obs
○ 2026-06-23 11:02:00
○ 2026-07-10 03:07:42
●A85.131.213.1612026-06-23 → 2026-07-10 · 3 obs
● 2026-06-23 11:02:00
● 2026-07-10 03:07:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sideb.co.jp | ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp... | 11 records |
✅ Authoritative Response
Server:35.72.43.26
NS records: ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sideb.co.jp (unsigned zone)
⏱️ Timing
Total: 1071ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.213.161 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | sideb.co.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv16835.xserver.jp +a:sideb.co |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
sideb.co.jp is listed as a mail server for itself.
IP Addresses
sideb.co.jp resolves to one IP address: 85.131.213.161.
photo39.com, igeta.jp, game-master.biz and two other host names share IP numbers with sideb.co.jp.
Name Servers
sideb.co.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 sideb.co.jp and other domains — oyama-gyoseioffice.com, ninedesign.jp, aokiya.net 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 maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp resolves to the IP address 35.72.43.26.
ns3.xserver.jp resolves to the IP address 202.226.36.247.
Mail Servers
Mail for sideb.co.jp is handled by one mail server — sideb.co.jp.
sideb.co.jp resolves to 85.131.213.161 and no other IP number.