derbyimpact.jp - robtex.com
derbyimpact.jp
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=1775961903 | ||||||
Subdomains
www.derbyimpact.jp |
Same first word
derbyimpact.jp |
DNS History
8 records (7 active, 1 former)
●NSns000.d-53.net2026-04-02 → 2026-04-12 · 3 obs
● 2026-04-02 08:47:32
● 2026-04-12 03:02:16
●NSns020-kqr7dmi5qkb4799p.k.d-53.info2026-04-02 → 2026-04-12 · 3 obs
● 2026-04-02 08:47:32
● 2026-04-12 03:02:16
●NSns020-kqr7dmi5qkb4799p.k.d-53.jp2026-04-02 → 2026-04-12 · 3 obs
● 2026-04-02 08:47:32
● 2026-04-12 03:02:16
●NSns020-kqr7dmi5qkb4799p.k.d-53.net2026-04-02 → 2026-04-12 · 3 obs
● 2026-04-02 08:47:32
● 2026-04-12 03:02:16
●MXinbound-smtp.us-east-1.amazonaws.com2026-04-02 → 2026-04-12 · 3 obs
● 2026-04-02 08:47:32
● 2026-04-12 03:02:16
○MXmail.core2.ate.am2017-08-05 → 2017-08-06 · 4 obs
● 2017-08-06 13:11:28
○ 2026-04-02 08:47:32
○ 2026-04-12 03:02:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| derbyimpact.jp | dns-b.iij.ad.jp, dns-c.iij.ad.jp | - |
✅ Authoritative Response
Server:202.32.219.51
NS records: dns-b.iij.ad.jp, dns-c.iij.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for derbyimpact.jp (unsigned zone)
⏱️ Timing
Total: 1467ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns020-kqr7dmi5qkb4799p.k.d-53.jp, ns020-kqr7dmi5qkb4799p.k.d-53.net... |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| TXT | 1 | v=spf1 +ip4:133.223.55.134 +ip4:118.151. |
| SOA | 1 | ns000.d-53.net dns-managers.iij.ad.jp |
Analysis
Hierarchy
The parent of www.derbyimpact.jp is derbyimpact.jp.
Name Servers
derbyimpact.jp is delegated to six name servers: ns000.d-53.net, ns020-kqr7dmi5qkb4799p.k.d-53.info, dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns020-kqr7dmi5qkb4799p.k.d-53.jp and ns020-kqr7dmi5qkb4799p.k.d-53.net.
derbyimpact.jp at least partially shares name servers with other domains, for instance test03.dox.jp, teny.co.jp, famille.ne.jp, 127.35.202.in-addr.arpa and ahfix.jp.
These name servers are commonly used alongside rev.iij-dns.jp, rev.iij-dns.net, ns1.dox.jp, ns2.dox.jp, ns01.iij-dns.jp, ns00.iij-dns.net, dns0.iij-swg.jp, dns1.iij-swg.jp, ns.iij-dns.biz and ns.iij-dns.jp.
Host names with two IP numbers:
ns020-kqr7dmi5qkb4799p.k.d-53.info points to 2001:240:bb81::28:51 and 202.32.219.51.
dns-b.iij.ad.jp points to 2001:240:bb81::28:51 and 202.32.219.51.
dns-c.iij.ad.jp points to 2001:240:bb81::29:111 and 210.138.20.111.
ns020-kqr7dmi5qkb4799p.k.d-53.jp points to 2001:240:bb81::29:1111 and 203.180.146.111.
ns020-kqr7dmi5qkb4799p.k.d-53.net points to 2001:240:bb81::29:111 and 210.138.20.111.
Host names that point to 2001:240:bb81::28:51: ns020-kqr7dmi5qkb4799p.k.d-53.info and dns-b.iij.ad.jp.
Host names that point to 202.32.219.51: ns020-kqr7dmi5qkb4799p.k.d-53.info and dns-b.iij.ad.jp.
Host names that point to 2001:240:bb81::29:111: dns-c.iij.ad.jp and ns020-kqr7dmi5qkb4799p.k.d-53.net.
Host names that point to 210.138.20.111: dns-c.iij.ad.jp and ns020-kqr7dmi5qkb4799p.k.d-53.net.
Mail Servers
derbyimpact.jp is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.
The mail server setup for derbyimpact.jp matches that of other domains, for instance csprod.bwce.io, tencentcloud.slack.com, xmr-pool.slack.com, energeia.app and craftboard.com.
derbyimpact.jp shares at least partially some mail servers with other domains, including wellco.atlassian.net, aim-cloud.com, tapbookauthor.atlassian.net, quicksuper.atlassian.net and objectlounge.atlassian.net.
these mail servers are often used with inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host inbound-smtp.us-east-1.amazonaws.com points to five IPs: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.