kyobun.jp - robtex.com

kyobun.jp

DNSSEC⚠️ Not signed
A202.226.37.17🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRsv64.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0d::1a🇺🇸 Google2607:f8b0::/32
PTRdl-in-f26.1e100.net
A142.251.2.27🇺🇸 Google142.251.2.0/24
PTRdl-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
SOAns1.xserver.jproot@sv0.xserver.jp serial=0

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=1776999603

Same first word

kyobun.jp
kyobun.co.jp
kyobun.org
kyobun.ac.jp

Similar names

bunkyo.org.br
bunkyo.co.jp
bunkyo.180r.com
okbyun.co.kr
bunkyo.ac.jp
bokyun.com

DNS History

12 records (11 active, 1 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA202.226.37.17210.188.201.17
●NSns1.xserver.jp2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●NSns2.xserver.jp2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●NSns3.xserver.jp2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●NSns4.xserver.jp2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●NSns5.xserver.jp2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●MXalt1.aspmx.l.google.com2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●MXalt2.aspmx.l.google.com2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●MXaspmx.l.google.com2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●MXaspmx2.googlemail.com2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●MXaspmx3.googlemail.com2015-08-03 → 2026-04-24 · 2 obs
● 2015-08-03 07:44:54
● 2026-04-24 03:13:00
●A202.226.37.172026-03-09 → 2026-04-24 · 3 obs
○ 2017-03-22 01:16:28
● 2026-03-09 23:57:38
● 2026-04-24 03:13:00
○A210.188.201.172015-08-03 → 2017-03-22 · 4 obs
● 2015-08-03 07:44:54
● 2017-03-22 01:16:28
○ 2026-03-09 23:57:38
○ 2026-04-24 03:13:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
kyobun.jpns4.xserver.jp, ns3.xserver.jp, ns1.xserver.jp, ns5.xserver.jp...11 records

✅ Authoritative Response

Server:157.112.182.218

NS records: ns4.xserver.jp, ns3.xserver.jp, ns1.xserver.jp, ns5.xserver.jp, ns2.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kyobun.jp (unsigned zone)

⏱️ Timing

Total: 2876ms | Queries: -

📄 Records

TypeCountSample Data
A1202.226.37.17
NS5ns5.xserver.jp, ns4.xserver.jp...
MX5aspmx3.googlemail.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)...
SOA1ns1.xserver.jp root.sv0.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

IP Addresses

kyobun.jp points to a single IP: 202.226.37.17.

Other host names, for instance mail.websitepro.jp, smiletime.me, one-0.com, wohpl.com and www.kanoya.in share IP numbers with kyobun.jp.

Name Servers

kyobun.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

kyobun.jp at least partially shares its name servers with other domains, for instance satuma-takahama.co.jp, fudousantokyo.co.jp, d-staff-dk.com, canonss.com and actbit.jp.

Host names with three IP numbers:

The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

The host name ns2.xserver.jp points to: 35.72.43.26.

The host name ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

Five mail servers handle kyobun.jp: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

kyobun.jp shares some mail servers with other domains, including sgp.net.br, ns500759.ns500758.ns500759.ns500698.ns500698.ns500736.ns500736.ns500698.ns500708.ns500698.ns500708.ns500576.ns500652.ns500576.trackreceptor.com, ns500734.ns500699.ns500699.ns500734.ns500734.ns500734.ns500699.ns500734.ns500699.ns500588.ns500699.ns500588.ns500588.ns500699.ns500602.dtrkdll.com, ns500765.ns500693.ns500699.ns500693.ns500699.ns500699.ns500693.ns500699.ns500699.ns500683.ns500588.ns500632.ns500632.ns500588.ns500588.dtrkdll.com and electroclick.co.il.

these mail servers are often used alongside the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers: aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27; aspmx3.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.27; aspmx.l.google.com points to 2607:f8b0:4023:c0d::1a and 142.251.2.27; alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27; alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27. Host names pointing to 2a00:1450:400b:c02::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com; Host names pointing to 172.253.116.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.