you-work.jp - robtex.com

you-work.jp

DNSSEC⚠️ Not signed
A216.230.253.182🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwdxltw82.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
PTRampub01.alpha-mail.net
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 2023-08-09 #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=1774733403

Same first word

you-work.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.netA216.230.253.182216.230.250.157
●NSamdns03.alpha-mail.jp2026-02-18 → 2026-03-28 · 3 obs
○ 2015-08-21 21:49:56
● 2026-02-18 07:17:46
● 2026-03-28 22:08:16
●NSkotetsu.alpha-lt.net2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 21:49:56
● 2026-03-28 22:08:16
●NStsukuba.aics.ne.jp2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 21:49:56
● 2026-03-28 22:08:16
●MXampub01.alpha-mail.net2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 21:49:56
● 2026-03-28 22:08:16
●MXampub02.alpha-mail.net2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 21:49:56
● 2026-03-28 22:08:16
●MXampub03.alpha-mail.net2015-08-21 → 2026-03-28 · 2 obs
● 2015-08-21 21:49:56
● 2026-03-28 22:08:16
●MXampub04.alpha-mail.net2020-04-11 → 2026-03-28 · 3 obs
○ 2015-08-21 21:49:56
● 2020-04-11 19:39:00
● 2026-03-28 22:08:16
○A216.230.250.1572015-08-21 → 2020-04-11 · 4 obs
● 2015-08-21 21:49:56
● 2020-04-11 19:39:00
○ 2026-02-18 07:17:46
○ 2026-03-28 22:08:16
●A216.230.253.1822026-02-18 → 2026-03-28 · 3 obs
○ 2020-04-11 19:39:00
● 2026-02-18 07:17:46
● 2026-03-28 22:08:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
you-work.jpkotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp1 record

✅ Authoritative Response

Server:157.205.252.6

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for you-work.jp (unsigned zone)

⏱️ Timing

Total: 1643ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.253.182
NS3tsukuba.aics.ne.jp, kotetsu.alpha-lt.net...
MX4ampub04.alpha-mail.net (pri: 50), ampub01.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

you-work.jp points to a single IP: 216.230.253.182.

Other host names, for instance san-ei-denki.co.jp, gtop.co.jp, shluck.jp, www.yamamoto-tosou.co.jp and entopia.co.jp share IP numbers with you-work.jp.

Name Servers

you-work.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

you-work.jp at least partially shares its name servers with other domains, for instance asahi-sr.biz, mot-ken.co.jp, maruacp.co.jp, j3a.or.jp and makitas.net.

Host names with one IP number:

amdns03.alpha-mail.jp points to: 216.230.254.112.

kotetsu.alpha-lt.net points to: 157.205.252.6.

tsukuba.aics.ne.jp points to: 157.205.252.7.

Mail Servers

you-work.jp is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

you-work.jp shares some mail servers with other domains, including kgt.co.jp, sintou.co.jp, j-pel.com, k-asuka.co.jp and n-samtec.co.jp.

Host names with one IP number: 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; ampub04.alpha-mail.net points to 216.230.254.4.