study-athome.jp - robtex.com
study-athome.jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 13.231.72.227🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-13-231-72-227.ap-northeast-1.compute.amazonaws.com | ||||||
| A | 52.196.144.192🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| NS | ns000.d-53.net ⭐ | ||||||
| NS | ns005-spcfhv1sh029l7k2.s.d-53.info | ||||||
| A | 2001:240:bb81::28:36🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s005.d-53.biz | ||||||
| A | 202.32.219.36🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s005.d-53.biz | ||||||
| NS | ns005-spcfhv1sh029l7k2.s.d-53.jp | ||||||
| A | 2001:240:bb81::29:1096🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s005.d-53.org | ||||||
| A | 203.180.146.96🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s005.d-53.org | ||||||
| NS | ns005-spcfhv1sh029l7k2.s.d-53.net | ||||||
| A | 2001:240:bb81::29:96🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s005.d-53.net | ||||||
| A | 210.138.20.96🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s005.d-53.net | ||||||
| TXT | g8AZO3LSpPQVVQqCVnP8M4f5yaRE96 | ||||||
| SOA | ns000.d-53.netdns-managers@iij.ad.jp serial=272 | ||||||
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=1771290902 | ||||||
Same first word
study-athome.jp |
DNS History
9 records (6 active, 3 former)
○NSdns-b.iij.ad.jp2015-08-07 → 2018-05-21 · 4 obs
● 2018-05-21 04:10:18
○ 2026-03-12 23:33:54
○ 2026-03-12 23:33:56
○NSdns-c.iij.ad.jp2015-08-07 → 2018-05-21 · 4 obs
● 2018-05-21 04:10:18
○ 2026-03-12 23:33:54
○ 2026-03-12 23:33:56
●NSns000.d-53.net2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 23:33:54
● 2026-03-12 23:33:56
●NSns005-spcfhv1sh029l7k2.s.d-53.info2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 23:33:54
● 2026-03-12 23:33:56
●NSns005-spcfhv1sh029l7k2.s.d-53.jp2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 23:33:54
● 2026-03-12 23:33:56
●NSns005-spcfhv1sh029l7k2.s.d-53.net2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 23:33:54
● 2026-03-12 23:33:56
●A13.231.72.2272026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 23:33:54
● 2026-03-12 23:33:56
○A220.156.137.262015-08-07 → 2018-05-21 · 4 obs
● 2018-05-21 04:10:18
○ 2026-03-12 23:33:54
○ 2026-03-12 23:33:56
●A52.196.144.1922026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 23:33:54
● 2026-03-12 23:33:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, h.dns.jp, e.dns.jp, f.dns.jp... | - |
| study-athome.jp | ns005-spcfhv1sh029l7k2.s.d-53.jp, ns005-spcfhv1sh029l7k2.s.d-53.net, ns005-spcfhv1sh029l7k2.s.d-53.info | - |
✅ Authoritative Response
Server: 202.32.219.36
NS records: ns005-spcfhv1sh029l7k2.s.d-53.jp, ns005-spcfhv1sh029l7k2.s.d-53.net, ns005-spcfhv1sh029l7k2.s.d-53.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 52.196.144.192, 13.231.72.227 |
| NS | 3 | ns005-spcfhv1sh029l7k2.s.d-53.info, ns005-spcfhv1sh029l7k2.s.d-53.jp... |
| TXT | 1 | g8AZO3LSpPQVVQqCVnP8M4f5yaRE96 |
| SOA | 1 | ns000.d-53.net dns-managers.iij.ad.jp |
Analysis
IP Addresses
study-athome.jp points to two IP numbers: 13.231.72.227 and 52.196.144.192.
Other host names, for instance ec2-52-196-144-192.ap-northeast-1.compute.amazonaws.com and ec2-13-231-72-227.ap-northeast-1.compute.amazonaws.com, share IP numbers with study-athome.jp.
Name Servers
study-athome.jp is delegated to four name servers: ns000.d-53.net, ns005-spcfhv1sh029l7k2.s.d-53.info, ns005-spcfhv1sh029l7k2.s.d-53.jp and ns005-spcfhv1sh029l7k2.s.d-53.net.
study-athome.jp shares name servers with other domains at least partially, for instance 147.232.202.in-addr.arpa, my-kaigo.com, sa-g.jp, eneloop.biz and 3.d-53.org.
these name servers are commonly used with the name servers ns01.iij-dns.jp, ns00.iij-dns.net, dns-b.iij.ad.jp, dns-c.iij.ad.jp, rev.iij-dns.jp, rev.iij-dns.net, ns.iij-dns.biz, ns.iij-dns.jp, ns.iij-dns.net and ns00-pub.static.iijgio.jp.
Host names with two IP numbers:
ns005-spcfhv1sh029l7k2.s.d-53.info points to 2001:240:bb81::28:36 and 202.32.219.36
ns005-spcfhv1sh029l7k2.s.d-53.jp points to 2001:240:bb81::29:1096 and 203.180.146.96
ns005-spcfhv1sh029l7k2.s.d-53.net points to 2001:240:bb81::29:96 and 210.138.20.96