mail.educas.jp - robtex.com

mail.educas.jp

DNSSEC⚠️ Not signed
A211.126.203.70🇯🇵 KDDI211.126.0.0/16

educas.jp

DNSSEC⚠️ Not signed
A211.126.203.68🇯🇵 KDDI211.126.0.0/16
NSns1.educas.jp ⭐
NSdns3.dion.ne.jp
MXmail.educas.jp ⭐
MXshikyoren.educas.jp(50)
TXTgoogle-site-verification=mtRXfjiqDPLFf8upMtfOqdXV-pX8nxqUNkBesjPHeCk
TXTv=spf1 ip4:211.126.203.65/29 a mx ip4:183.181.98.38 ip4:220.213.160.59 includ...
SOAns1.educas.jppostmaster@educas.jp 2026-01-25 #3

MX for

educas.jp

Same first word

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DNS History

3 records (1 active, 2 former)

201520162017201820192020202120222023202420252026A211.126.203.70211.126.203.68CNAMEns.educas.jp
○A211.126.203.682014-12-27 → 2016-04-30 · 4 obs
● 2014-12-27 09:32:38
● 2016-04-30 19:32:12
○ 2026-03-26 02:16:56
○ 2026-04-12 15:32:28
●A211.126.203.702026-03-26 → 2026-04-12 · 3 obs
○ 2016-04-30 19:32:12
● 2026-03-26 02:16:56
● 2026-04-12 15:32:28
○CNAMEns.educas.jp2014-12-27 → 2016-04-30 · 4 obs
● 2014-12-27 09:32:38
● 2016-04-30 19:32:12
○ 2026-03-26 02:16:56
○ 2026-04-12 15:32:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, c.dns.jp, d.dns.jp, h.dns.jp...-
educas.jpdns3.dion.ne.jp, ns1.educas.jp1 record

✅ Authoritative Response

Server:211.126.203.70

NS records: dns3.dion.ne.jp, ns1.educas.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for educas.jp (unsigned zone)

⏱️ Timing

Total: 1270ms | Queries: -

📄 Records

TypeCountSample Data
A1211.126.203.70

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns1.educas.jp)

Analysis

Mail Server Role

mail.educas.jp functions as a mail server for educas.jp.

shikyoren.educas.jp is a mail server commonly used with mail.educas.jp.

IP Addresses

mail.educas.jp resolves to one IP number: 211.126.203.70.

Other host names such as shikyoren.educas.jp and ns1.educas.jp share IP numbers with mail.educas.jp.