combrain.jp - dns.ninja

combrain.jp

DNSSEC⚠️ Not signed
A153.122.148.120🇯🇵 AS131921153.122.144.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRcombrain.jp
NSns1.rsjpserver.net ⭐
A157.120.112.238🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.
A157.120.113.238🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.
A157.120.114.238🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.
NSns2.rsjpserver.net
A157.120.112.238🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.
A157.120.113.238🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.
A157.120.114.238🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.
MXcombrain.jp ⭐
A153.122.148.120🇯🇵 AS131921153.122.144.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRcombrain.jp
SOAns1.rsjpserver.netroot@rsjpserver.net serial=2742195146

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=1781244003

PTR for

120.148.122.153.in-addr.arpa

MX for

combrain.jp

Same first word

combrain.de
combrain.net
combrain.jp
combrain.co.jp
combrain.ch
combrain.com

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DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026NSns1.rsjpserver.netns2.rsjpserver.netMXcombrain.jpA153.122.148.120
●NSns1.rsjpserver.net2015-06-25 → 2026-06-12 · 2 obs
● 2015-06-25 14:46:38
● 2026-06-12 06:37:16
●NSns2.rsjpserver.net2015-06-25 → 2026-06-12 · 2 obs
● 2015-06-25 14:46:38
● 2026-06-12 06:37:16
●MXcombrain.jp2015-06-25 → 2026-06-12 · 2 obs
● 2015-06-25 14:46:38
● 2026-06-12 06:37:16
●A153.122.148.1202015-06-25 → 2026-06-12 · 2 obs
● 2015-06-25 14:46:38
● 2026-06-12 06:37:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
combrain.jpns1.rsjpserver.net, ns2.rsjpserver.net-

✅ Authoritative Response

Server:157.120.112.238

NS records: ns1.rsjpserver.net, ns2.rsjpserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for combrain.jp (unsigned zone)

⏱️ Timing

Total: 1555ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.148.120
NS2ns1.rsjpserver.net, ns2.rsjpserver.net
MX1combrain.jp (pri: 10)
SOA1ns1.rsjpserver.net root.rsjpserver.net

Analysis

Mail Server Role

combrain.jp acts as its own mail server.

IP Addresses

combrain.jp points to a single IP number: 153.122.148.120.

Name Servers

DNS delegation for combrain.jp points to two name servers: ns1.rsjpserver.net and ns2.rsjpserver.net.

combrain.jp shares its name server setup with other domains, including 233.148.122.153.in-addr.arpa, 238.130.122.153.in-addr.arpa, 19.143.122.153.in-addr.arpa and two others.

combrain.jp at least partially shares name servers with other domains, for instance 55nsp.jp, 141.122.153.in-addr.arpa and 152.122.153.in-addr.arpa.

These name servers commonly appear alongside the name servers ns2.namedserver.net and ns.namedserver.net.

ns1.rsjpserver.net resolves to 157.120.112.238, 157.120.113.238 and 157.120.114.238; ns2.rsjpserver.net resolves to those same three IP addresses.

Host names pointing to 157.120.112.238 IP addresses: ns1.rsjpserver.net and ns2.rsjpserver.net.

Host names pointing to 157.120.113.238 IP addresses: ns1.rsjpserver.net and ns2.rsjpserver.net.

Host names pointing to 157.120.114.238 IP addresses: ns1.rsjpserver.net and ns2.rsjpserver.net.

Mail Servers

combrain.jp has a single mail server: combrain.jp itself.

combrain.jp has exactly one IP number: 153.122.148.120.