keihan.jp - robtex.com

keihan.jp

DNSSEC⚠️ Not signed
NSns.keihan.co.jp ⭐
A210.166.164.130🇯🇵 KDDI210.166.128.0/18 -P
PTRns.keihan.co.jp
NSdns4.dion.ne.jp
A210.172.64.112🇯🇵 KDDI210.172.64.0/18
PTRdns4.dion.ne.jp
MXkeihan-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A52.101.124.5🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns.keihan.co.jpadministrator@ml.keihan.co.jp 2017-08-31 #1

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=1786245302

Same first word

keihan.co.jp
keihan.com
keihan.or.jp
keihan.jp
keihan.mobi
keihan.co.uk
keihan.co

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DNS History

3 records (3 active, 0 former)

20162017201820192020202120222023202420252026NSdns4.dion.ne.jpns.keihan.co.jpMXkeihan-jp.mail.protection.outlook.com
●NSdns4.dion.ne.jp2015-08-11 → 2026-08-09 · 2 obs
● 2015-08-11 13:04:34
● 2026-08-09 04:03:28
●NSns.keihan.co.jp2015-08-11 → 2026-08-09 · 2 obs
● 2015-08-11 13:04:34
● 2026-08-09 04:03:28
●MXkeihan-jp.mail.protection.outlook.com2020-03-27 → 2026-08-09 · 2 obs
● 2020-03-27 10:16:54
● 2026-08-09 04:03:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, h.dns.jp, f.dns.jp, e.dns.jp...-
keihan.jpns.keihan.co.jp, dns4.dion.ne.jp1 record

✅ Authoritative Response

Server:210.172.64.112

NS records: ns.keihan.co.jp, dns4.dion.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keihan.jp (unsigned zone)

⏱️ Timing

Total: 1510ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns4.dion.ne.jp, ns.keihan.co.jp
MX1keihan-jp.mail.protection.outlook.com (p
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns.keihan.co.jp administrator.ml.keihan.

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.keihan.co.jp)

Analysis

Name Servers

Two name servers handle the delegation for keihan.jp: ns.keihan.co.jp and dns4.dion.ne.jp.

keihan.jp, keihan.co.jp, keihan-holdings.co.jp, 168.166.210.in-addr.arpa and 164.166.210.in-addr.arpa all share the same authoritative name server setup.

keihan.jp partially shares its NS delegation with several other domains, including takacom.co.jp, eagle-net.ne.jp, 112h.208.126.211.in-addr.arpa and two others.

In DNS configurations, these name servers often share authority with nsx01.jfe-gr.net, nsx02.jfe-gr.net, nsx21.jfe-gr.net and 7 other name servers.

ns.keihan.co.jp resolves to 210.166.164.130. dns4.dion.ne.jp resolves to 210.172.64.112. Both host names point to a single IP number.

Mail Servers

keihan.jp has one mail server: keihan-jp.mail.protection.outlook.com.

keihan-jp.mail.protection.outlook.com points to 8 IP numbers: 52.101.124.5, 52.101.124.6, 52.101.157.10 and 5 other.