nksc.jp - robtex.com

nksc.jp

DNSSEC⚠️ Not signed
A216.230.250.133🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwebltw62.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
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
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
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 2026-06-19 #9

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=1782172803

Same first word

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nksc.net
nksc.co.kr
nksc.eu
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nksc.lt
nksc.com
nksc.ac.th

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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.netA216.230.250.133216.230.250.153
●NSamdns03.alpha-mail.jp2026-06-17 → 2026-06-23 · 3 obs
○ 2015-07-04 07:11:22
● 2026-06-17 06:35:44
● 2026-06-23 00:32:14
●NSkotetsu.alpha-lt.net2015-07-04 → 2026-06-23 · 2 obs
● 2015-07-04 07:11:22
● 2026-06-23 00:32:14
●NStsukuba.aics.ne.jp2015-07-04 → 2026-06-23 · 2 obs
● 2015-07-04 07:11:22
● 2026-06-23 00:32:14
●MXampub01.alpha-mail.net2015-07-04 → 2026-06-23 · 2 obs
● 2015-07-04 07:11:22
● 2026-06-23 00:32:14
●MXampub02.alpha-mail.net2015-07-04 → 2026-06-23 · 2 obs
● 2015-07-04 07:11:22
● 2026-06-23 00:32:14
●MXampub03.alpha-mail.net2015-07-04 → 2026-06-23 · 2 obs
● 2015-07-04 07:11:22
● 2026-06-23 00:32:14
●MXampub04.alpha-mail.net2018-11-06 → 2026-06-23 · 3 obs
○ 2015-07-04 07:11:22
● 2018-11-06 14:26:08
● 2026-06-23 00:32:14
●A216.230.250.1332026-06-17 → 2026-06-23 · 3 obs
○ 2018-11-06 14:26:08
● 2026-06-17 06:35:44
● 2026-06-23 00:32:14
○A216.230.250.1532015-07-04 → 2018-11-06 · 4 obs
● 2015-07-04 07:11:22
● 2018-11-06 14:26:08
○ 2026-06-17 06:35:44
○ 2026-06-23 00:32:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
nksc.jpamdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp1 record

✅ Authoritative Response

Server:216.230.254.112

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nksc.jp (unsigned zone)

⏱️ Timing

Total: 1456ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.250.133
NS3kotetsu.alpha-lt.net, tsukuba.aics.ne.jp...
MX4ampub01.alpha-mail.net (pri: 10), 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

nksc.jp resolves to one IP address: 216.230.250.133.

mti-con.com, technico.co.jp, crossway-t.co.jp and two other host names share IP numbers with nksc.jp.

Name Servers

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

nksc.jp shares at least some of its name servers with other domains, including san-shin.com, itcorp.jp, dreamlinks.co.jp and two others.

amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp each resolve to a single IP address: 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

Four mail servers handle email for nksc.jp: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

nksc.jp has at least partial mail server overlap with other domains such as ishii-builder.co.jp, ruxur.net, party-isehara.com 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.