e-kasama.jp - robtex.com
e-kasama.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.140.108.101🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | dns4.tsukuba.ad.jp ⭐ | ||||||
| A | 153.122.2.46🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | dns4.tsukuba.ad.jp | ||||||
| NS | dns5.tsukuba.ad.jp | ||||||
| A | 153.122.20.21🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | dns5.tsukuba.ad.jp | ||||||
| MX | sv1.e-kasama.jp ⭐ | ||||||
| A | 202.218.216.98🇯🇵 IDC202.218.128.0/17 Frontier Inc. | ||||||
| SOA | dns4.tsukuba.ad.jphostmaster@tsukuba.ad.jp 2025-08-04 #1 | ||||||
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=1778743803 | ||||||
Subdomains
sv1.e-kasama.jp |
Same first word
e-kasama.jp |
DNS History
7 records (4 active, 3 former)
●NSdns4.tsukuba.ad.jp2026-03-23 → 2026-05-14 · 3 obs
● 2026-03-23 12:53:24
● 2026-05-14 07:39:56
●NSdns5.tsukuba.ad.jp2026-03-23 → 2026-05-14 · 3 obs
● 2026-03-23 12:53:24
● 2026-05-14 07:39:56
○NSns.apos.jp2015-06-01 → 2017-02-08 · 5 obs
● 2015-06-01 16:48:10
● 2017-02-08 03:31:42
○ 2026-03-23 12:53:24
○ 2026-05-14 07:39:56
○NSns.at-link.ad.jp2015-06-01 → 2017-02-08 · 5 obs
● 2015-06-01 16:48:10
● 2017-02-08 03:31:42
○ 2026-03-23 12:53:24
○ 2026-05-14 07:39:56
●MXsv1.e-kasama.jp2015-06-01 → 2026-05-14 · 3 obs
● 2015-06-01 16:48:10
● 2026-05-14 07:39:56
○A202.218.216.982015-06-01 → 2017-02-08 · 5 obs
● 2015-06-01 16:48:10
● 2017-02-08 03:31:42
○ 2026-03-23 12:53:24
○ 2026-05-14 07:39:56
●A210.140.108.1012026-03-23 → 2026-05-14 · 3 obs
● 2026-03-23 12:53:24
● 2026-05-14 07:39:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, h.dns.jp, e.dns.jp, f.dns.jp... | - |
| e-kasama.jp | dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp | 2 records |
✅ Authoritative Response
Server:153.122.20.21
NS records: dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for e-kasama.jp (unsigned zone)
⏱️ Timing
Total: 917ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.108.101 |
| NS | 2 | dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp |
| MX | 1 | sv1.e-kasama.jp (pri: 10) |
| SOA | 1 | dns4.tsukuba.ad.jp hostmaster.tsukuba.ad |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp)
Analysis
Hierarchy
e-kasama.jp is the parent of sv1.e-kasama.jp.
IP Addresses
e-kasama.jp resolves to a single IP: 210.140.108.101.
Other host names, for instance www.flower.joso.jp, ishioka.jp, www.kuniyuki.e-choshi.jp, e-ichikawa.jp and e-niigata.jp share IP numbers with e-kasama.jp.
Name Servers
e-kasama.jp has two name servers: dns4.tsukuba.ad.jp and dns5.tsukuba.ad.jp.
e-kasama.jp shares the same name server setup as other domains, for example four9.jp, i-bando.jp, pansion.co.jp, e-chiyoda.jp and yet.jp.
e-kasama.jp partially shares name servers with other domains, for instance tsukuba.ad.jp.
Host names with a single IP:
dns4.tsukuba.ad.jp points to 153.122.2.46
dns5.tsukuba.ad.jp points to 153.122.20.21
Mail Servers
e-kasama.jp is handled by a single mail server, sv1.e-kasama.jp.
Host name sv1.e-kasama.jp points to IP 202.218.216.98.