df-planning.jp - robtex.com

df-planning.jp

DNSSEC⚠️ Not signed
A216.230.253.101🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwebv5w01.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
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 2024-12-27 #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=1786257902

Previously MX for

df-planning.jp

Same first word

df-planning.jp

DNS History

12 records (8 active, 4 former)

2008201020122014201620182020202220242026NSamdns03.alpha-mail.jpkotetsu.alpha-lt.nettsukuba.aics.ne.jpns1.secure.netns2.secure.netMXampub01.alpha-mail.netampub02.alpha-mail.netampub03.alpha-mail.netampub04.alpha-mail.netdf-planning.jpA216.230.253.101124.40.26.210
●NSamdns03.alpha-mail.jp2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
●NSkotetsu.alpha-lt.net2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
○NSns1.secure.net2007-12-20 → 2007-12-20 · 3 obs
● 2007-12-20 23:07:56
○ 2015-10-20 19:56:10
○ 2026-08-09 07:49:04
○NSns2.secure.net2007-12-20 → 2007-12-20 · 3 obs
● 2007-12-20 23:07:56
○ 2015-10-20 19:56:10
○ 2026-08-09 07:49:04
●NStsukuba.aics.ne.jp2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
●MXampub01.alpha-mail.net2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
●MXampub02.alpha-mail.net2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
●MXampub03.alpha-mail.net2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
●MXampub04.alpha-mail.net2026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04
○MXdf-planning.jp2007-12-20 → 2007-12-20 · 3 obs
● 2007-12-20 23:07:56
○ 2015-10-20 19:56:10
○ 2026-08-09 07:49:04
○A124.40.26.2102007-12-20 → 2007-12-20 · 3 obs
● 2007-12-20 23:07:56
○ 2015-10-20 19:56:10
○ 2026-08-09 07:49:04
●A216.230.253.1012026-02-21 → 2026-08-09 · 3 obs
○ 2015-10-20 19:56:10
● 2026-02-21 04:15:32
● 2026-08-09 07:49:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, c.dns.jp, b.dns.jp, h.dns.jp...-
df-planning.jpamdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp1 record

✅ Authoritative Response

Server:157.205.252.6

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for df-planning.jp (unsigned zone)

⏱️ Timing

Total: 1125ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.253.101
NS3kotetsu.alpha-lt.net, tsukuba.aics.ne.jp...
MX4ampub03.alpha-mail.net (pri: 10), 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

df-planning.jp has exactly one IP address — 216.230.253.101.

www.kdcom.co.jp, oji-den.com, alserve.co.jp plus two other host names have IP numbers in common with df-planning.jp.

Name Servers

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

There is at least partial name server overlap between df-planning.jp and other domains — v-sketch.com, fukkodo.co.jp, ssdt.jp and two more among them.

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

The four mail servers for df-planning.jp are ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

At least some of the mail servers used by df-planning.jp are shared with other domains: nagadk.co.jp, projectsetc.co.jp, nakamura-oa.com and two others among them.

Four host names, each with one IP address: ampub01.alpha-mail.net has 216.230.254.1, ampub02.alpha-mail.net has 216.230.254.2, ampub03.alpha-mail.net has 216.230.254.3 and ampub04.alpha-mail.net has 216.230.254.4.