gakukansetsu.org - robtex.com
gakukansetsu.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784642407 | ||||||
MX for
gakukansetsu.org |
Same first word
gakukansetsu.org |
gakukansetsu.com |
DNS History
10 records (7 active, 3 former)
○NS01.dnsv.jp2015-05-07 → 2017-03-31 · 4 obs
● 2017-03-31 09:15:08
○ 2026-04-21 15:06:44
○ 2026-07-21 14:21:34
○NS02.dnsv.jp2015-05-07 → 2017-03-31 · 4 obs
● 2017-03-31 09:15:08
○ 2026-04-21 15:06:44
○ 2026-07-21 14:21:34
●NSns1.xserver.jp2026-04-21 → 2026-07-21 · 3 obs
● 2026-04-21 15:06:44
● 2026-07-21 14:21:34
●NSns2.xserver.jp2026-04-21 → 2026-07-21 · 3 obs
● 2026-04-21 15:06:44
● 2026-07-21 14:21:34
●NSns3.xserver.jp2026-04-21 → 2026-07-21 · 3 obs
● 2026-04-21 15:06:44
● 2026-07-21 14:21:34
●NSns4.xserver.jp2026-04-21 → 2026-07-21 · 3 obs
● 2026-04-21 15:06:44
● 2026-07-21 14:21:34
●NSns5.xserver.jp2026-04-21 → 2026-07-21 · 3 obs
● 2026-04-21 15:06:44
● 2026-07-21 14:21:34
●MXgakukansetsu.org2026-04-21 → 2026-07-21 · 2 obs
● 2026-07-21 14:21:34
●A162.43.116.1572026-04-21 → 2026-07-21 · 3 obs
● 2026-04-21 15:06:44
● 2026-07-21 14:21:34
○A61.202.159.902015-05-07 → 2017-03-31 · 4 obs
● 2017-03-31 09:15:08
○ 2026-04-21 15:06:44
○ 2026-07-21 14:21:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| gakukansetsu.org | ns4.xserver.jp, ns2.xserver.jp, ns5.xserver.jp, ns1.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.39.247
NS records: ns4.xserver.jp, ns2.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns3.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gakukansetsu.org (unsigned zone)
⏱️ Timing
Total: 1489ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.116.157 |
| NS | 5 | ns5.xserver.jp, ns2.xserver.jp... |
| MX | 1 | gakukansetsu.org (pri: 0) |
| TXT | 1 | v=spf1 +a:sv13156.xserver.jp +a:gakukans |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
gakukansetsu.org handles its own mail, functioning as its own mail server.
IP Addresses
gakukansetsu.org resolves to just one IP address, 162.43.116.157.
Two other host names, along with act-corporation.jp, www.seclim.net and filter.jewelog.com, also share IP numbers with gakukansetsu.org.
Name Servers
gakukansetsu.org delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
At least some of gakukansetsu.org's name servers are shared with other domains, for example laftime.com, kongozi.com, abc-group.co.jp and two more.
These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that map to three IP numbers:
ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names that point to one IP address:
ns2.xserver.jp points to the IP address 35.72.43.26.
ns3.xserver.jp points to the IP address 202.226.36.247.
Mail Servers
gakukansetsu.org is served by just one mail server: gakukansetsu.org.
There is one IP number for gakukansetsu.org: 162.43.116.157.