rbctrading.jp - dns.ninja

rbctrading.jp

DNSSEC⚠️ Not signed
A216.230.253.73🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwebltw73.alpha-mail.jp
NSkotetsu.alpha-lt.net ⭐
A157.205.252.6🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRamdns01.alpha-mail.jp
NSamdns03.alpha-mail.jp
A216.230.254.112🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRamdns03.alpha-mail.jp
NStsukuba.aics.ne.jp
A157.205.252.7🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRamdns02.alpha-mail.jp
MXampub01.alpha-mail.net ⭐
A216.230.254.1🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
MXampub02.alpha-mail.net ⭐
A216.230.254.2🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub02.alpha-mail.net
MXampub03.alpha-mail.net ⭐
A216.230.254.3🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub03.alpha-mail.net
MXampub04.alpha-mail.net(50)
A216.230.254.4🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub04.alpha-mail.net
TXTv=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2...
SOAkotetsu.alpha-lt.netpostmaster@alpha-web.ne.jp 2023-07-28 #8

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1786764602

Same first word

rbctrading.jp

DNS History

9 records (8 active, 1 former)

20162017201820192020202120222023202420252026NSamdns03.alpha-mail.jpkotetsu.alpha-lt.nettsukuba.aics.ne.jpMXampub01.alpha-mail.netampub02.alpha-mail.netampub03.alpha-mail.netampub04.alpha-mail.netA216.230.253.73216.230.250.181
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-08-15 · 3 obs
○ 2015-07-03 11:38:36
● 2026-02-25 10:19:06
● 2026-08-15 03:40:38
●NSkotetsu.alpha-lt.net2015-07-03 → 2026-08-15 · 2 obs
● 2015-07-03 11:38:36
● 2026-08-15 03:40:38
●NStsukuba.aics.ne.jp2015-07-03 → 2026-08-15 · 2 obs
● 2015-07-03 11:38:36
● 2026-08-15 03:40:38
●MXampub01.alpha-mail.net2015-07-03 → 2026-08-15 · 2 obs
● 2015-07-03 11:38:36
● 2026-08-15 03:40:38
●MXampub02.alpha-mail.net2015-07-03 → 2026-08-15 · 2 obs
● 2015-07-03 11:38:36
● 2026-08-15 03:40:38
●MXampub03.alpha-mail.net2015-07-03 → 2026-08-15 · 2 obs
● 2015-07-03 11:38:36
● 2026-08-15 03:40:38
●MXampub04.alpha-mail.net2026-02-25 → 2026-08-15 · 3 obs
○ 2015-07-03 11:38:36
● 2026-02-25 10:19:06
● 2026-08-15 03:40:38
○A216.230.250.1812015-07-03 → 2017-10-03 · 4 obs
● 2015-07-03 11:38:36
● 2017-10-03 02:32:38
○ 2026-02-25 10:19:06
○ 2026-08-15 03:40:38
●A216.230.253.732026-02-25 → 2026-08-15 · 3 obs
○ 2017-10-03 02:32:38
● 2026-02-25 10:19:06
● 2026-08-15 03:40:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, h.dns.jp, c.dns.jp, d.dns.jp...-
rbctrading.jptsukuba.aics.ne.jp, kotetsu.alpha-lt.net, amdns03.alpha-mail.jp1 record

✅ Authoritative Response

Server:157.205.252.7

NS records: tsukuba.aics.ne.jp, kotetsu.alpha-lt.net, amdns03.alpha-mail.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rbctrading.jp (unsigned zone)

⏱️ Timing

Total: 1491ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.253.73
NS3tsukuba.aics.ne.jp, kotetsu.alpha-lt.net...
MX4ampub04.alpha-mail.net (pri: 50), ampub03.alpha-mail.net (pri: 10)...
TXT1v=spf1 ip4:157.205.202.0/24 ip4:157.205.
SOA1kotetsu.alpha-lt.net postmaster.alpha-we

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)

Analysis

IP Addresses

rbctrading.jp resolves to one IP address: 216.230.253.73.

k-materi.com, vamos.biz, comdes.net and two other host names share IP numbers with rbctrading.jp.

Name Servers

Three name servers are authoritative for rbctrading.jp: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

rbctrading.jp has at least partial name server overlap with other domains, such as san-ei-group.com, apprea.co.jp, fuji-sangyo.net and two others.

Three hostnames, one IP address apiece: amdns03.alpha-mail.jp resolves to 216.230.254.112, kotetsu.alpha-lt.net resolves to 157.205.252.6 and tsukuba.aics.ne.jp resolves to 157.205.252.7.

Mail Servers

rbctrading.jp has four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

rbctrading.jp has at least partial mail server overlap with other domains such as scrumfoods.co.jp, bell-a.co.jp, yex.co.jp and two more.

Each of the four hosts ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net points to a single IP address — ampub01.alpha-mail.net points to 216.230.254.1, ampub02.alpha-mail.net points to 216.230.254.2, ampub03.alpha-mail.net points to 216.230.254.3 and ampub04.alpha-mail.net points to 216.230.254.4.