a4jp.com - dns.ninja

a4jp.com

DNSSEC⚠️ Not signed
A162.43.121.7🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14206.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
MXa4jp.com ⭐
A162.43.121.7🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14206.xserver.jp
TXTv=spf1 +a:sv14206.xserver.jp +a:a4jp.com +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@sv0.xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786581909
rank #969280 globally
rank #416525 in the tld

Previously MX for

a4jp.com

Subdomains

www.a4jp.com
hokkaido.a4jp.com

Same first word

a4jp.com

Similar names

apj4.com
pj4a.com
aj4p.top
ap4j.com

DNS History

15 records (7 active, 8 former)

200920112013201520172019202120232025NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpcoco.ns.cloudflare.comdilbert.ns.cloudflare.comMXa4jp.comdc-b1ee7766.a4jp.comA162.43.121.7104.24.106.197104.24.107.197219.94.203.522400:cb00:2048:1::6818:6ac52400:cb00:2048:1::6818:6bc5
○NScoco.ns.cloudflare.com2015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26
○NSdilbert.ns.cloudflare.com2015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26
●NSns1.xserver.jp2015-07-05 → 2026-08-13 · 7 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
● 2026-08-13 00:52:26
●NSns2.xserver.jp2015-07-05 → 2026-08-13 · 7 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
● 2026-08-13 00:52:26
●NSns3.xserver.jp2015-07-05 → 2026-08-13 · 7 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
● 2026-08-13 00:52:26
●NSns4.xserver.jp2015-07-05 → 2026-08-13 · 7 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
● 2026-08-13 00:52:26
●NSns5.xserver.jp2015-07-05 → 2026-08-13 · 7 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
● 2026-08-13 00:52:26
●MXa4jp.com2015-07-05 → 2026-08-13 · 10 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
● 2026-06-05 15:48:42
○ 2026-06-23 05:27:02
● 2026-08-13 00:52:24
● 2026-08-13 00:52:26
○MXdc-b1ee7766.a4jp.com2015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26
○A104.24.106.1972015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26
○A104.24.107.1972015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26
●A162.43.121.72026-03-29 → 2026-08-13 · 6 obs
○ 2017-05-12 17:02:08
● 2026-03-29 15:39:54
● 2026-06-05 15:48:42
○ 2026-06-23 05:27:02
● 2026-08-13 00:52:24
● 2026-08-13 00:52:26
○A219.94.203.522015-07-05 → 2017-05-12 · 8 obs
○ 2008-03-07 03:46:36
● 2015-07-05 14:22:26
● 2015-10-11 09:37:42
○ 2015-10-24 19:22:34
○ 2016-04-05 11:44:50
● 2017-05-12 17:02:08
○ 2026-03-29 15:39:54
○ 2026-08-13 00:52:26
○A2400:cb00:2048:1::6818:6ac52015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26
○A2400:cb00:2048:1::6818:6bc52015-10-24 → 2016-04-05 · 5 obs
○ 2015-10-11 09:37:42
● 2015-10-24 19:22:34
● 2016-04-05 11:44:50
○ 2017-05-12 17:02:08
○ 2026-08-13 00:52:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
a4jp.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.37.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a4jp.com (unsigned zone)

⏱️ Timing

Total: 1046ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.121.7
NS5ns3.xserver.jp, ns4.xserver.jp...
MX1a4jp.com (pri: 0)
TXT1v=spf1 +a:sv14206.xserver.jp +a:a4jp.com
SOA1ns1.xserver.jp root.sv0.xserver.jp

Analysis

Hierarchy

a4jp.com serves as the parent of www.a4jp.com and hokkaido.a4jp.com.

IP Addresses

a4jp.com has exactly one IP address — 162.43.121.7.

always-s.com, peece.tv, metrotec.jp plus two other host names have IP numbers in common with a4jp.com.

Name Servers

Five name servers handle delegation for a4jp.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of a4jp.com's name servers are shared with other domains, for example eyeasm.com, proweb.co.jp, ahbproduction.com and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.

Mail Servers

a4jp.com uses exactly one mail server, which is a4jp.com.

a4jp.com resolves to 162.43.121.7 and no other IP number.