active-brains.jp - robtex.com

active-brains.jp

DNSSEC⚠️ Not signed
A183.181.99.39🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.
PTRsv138.xbiz.ne.jp
NSns1.xbiz.ne.jp ⭐
A157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRns1.xbiz.ne.jp
NSns2.xbiz.ne.jp
A35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xbiz.ne.jp
NSns3.xbiz.ne.jp
A157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc.
PTRns3.xbiz.ne.jp
MXactive-brains.jp ⭐
A183.181.99.39🇯🇵 XSERVER-AS183.181.98.0/23 XSERVER Inc.
PTRsv138.xbiz.ne.jp
TXTv=spf1 +a:sv138.xbiz.ne.jp +a:active-brains.jp +mx include:spf.sender.xserver...
TXTMS=C3C73988A6AF68E3A58B283D6818C473B4D72EC2
SOAns1.xbiz.ne.jproot@xbiz.ne.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=1774764003

MX for

active-brains.jp

Same first word

active-brains.co.jp
active-brains.jp

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xbiz.ne.jpns2.xbiz.ne.jpns3.xbiz.ne.jp2nd.dnsv.jpdns.active-brains.jpns01.gmoserver.jpns02.gmoserver.jpMXactive-brains.jpmx.active-brains.jpA183.181.99.39133.130.77.245210.172.148.190
○NS2nd.dnsv.jp2016-03-12 → 2017-04-03 · 5 obs
○ 2015-12-10 11:26:46
● 2016-03-12 02:19:00
● 2017-04-03 10:53:18
○ 2026-02-15 04:04:20
○ 2026-03-29 06:40:10
○NSdns.active-brains.jp2016-03-12 → 2017-04-03 · 5 obs
○ 2015-12-10 11:26:46
● 2016-03-12 02:19:00
● 2017-04-03 10:53:18
○ 2026-02-15 04:04:20
○ 2026-03-29 06:40:10
○NSns01.gmoserver.jp2015-07-16 → 2015-12-10 · 4 obs
● 2015-07-16 10:26:56
● 2015-12-10 11:26:46
○ 2016-03-12 02:19:00
○ 2026-03-29 06:40:10
○NSns02.gmoserver.jp2015-07-16 → 2015-12-10 · 4 obs
● 2015-07-16 10:26:56
● 2015-12-10 11:26:46
○ 2016-03-12 02:19:00
○ 2026-03-29 06:40:10
●NSns1.xbiz.ne.jp2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-03 10:53:18
● 2026-02-15 04:04:20
● 2026-03-29 06:40:10
●NSns2.xbiz.ne.jp2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-03 10:53:18
● 2026-02-15 04:04:20
● 2026-03-29 06:40:10
●NSns3.xbiz.ne.jp2026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-03 10:53:18
● 2026-02-15 04:04:20
● 2026-03-29 06:40:10
●MXactive-brains.jp2016-03-12 → 2026-03-29 · 3 obs
○ 2015-12-10 11:26:46
● 2016-03-12 02:19:00
● 2026-03-29 06:40:10
○MXmx.active-brains.jp2015-07-16 → 2015-12-10 · 4 obs
● 2015-07-16 10:26:56
● 2015-12-10 11:26:46
○ 2016-03-12 02:19:00
○ 2026-03-29 06:40:10
○A133.130.77.2452016-03-12 → 2017-04-03 · 5 obs
○ 2015-12-10 11:26:46
● 2016-03-12 02:19:00
● 2017-04-03 10:53:18
○ 2026-02-15 04:04:20
○ 2026-03-29 06:40:10
●A183.181.99.392026-02-15 → 2026-03-29 · 3 obs
○ 2017-04-03 10:53:18
● 2026-02-15 04:04:20
● 2026-03-29 06:40:10
○A210.172.148.1902015-07-16 → 2015-12-10 · 4 obs
● 2015-07-16 10:26:56
● 2015-12-10 11:26:46
○ 2016-03-12 02:19:00
○ 2026-03-29 06:40:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, c.dns.jp, d.dns.jp, b.dns.jp...-
active-brains.jpns2.xbiz.ne.jp, ns1.xbiz.ne.jp, ns3.xbiz.ne.jp3 records

✅ Authoritative Response

Server:157.112.191.237

NS records: ns2.xbiz.ne.jp, ns1.xbiz.ne.jp, ns3.xbiz.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for active-brains.jp (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.99.39
NS3ns3.xbiz.ne.jp, ns2.xbiz.ne.jp...
MX1active-brains.jp (pri: 0)
TXT2v=spf1 +a:sv138.xbiz.ne.jp +a:active-bra, MS=C3C73988A6AF68E3A58B283D6818C473B4D72
SOA1ns1.xbiz.ne.jp root.xbiz.ne.jp

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp)

Analysis

Mail Server Role

The mail server for active-brains.jp is active-brains.jp.

IP Addresses

active-brains.jp points to a single IP address: 183.181.99.39.

Other host names such as www.rich.co.jp, www.dmw.co.jp, mail.fujibussan.co.jp, mail.ayase-central.com and www.ntt.co.jp share IPs with active-brains.jp.

Name Servers

active-brains.jp is delegated to three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.

active-brains.jp at least partially shares name servers with other domains, for example mini-hoken.com, gatecheckin.com, work-trip.jp, biensur.net and humongous-tokyo.com.

Host names with a single IP address:

ns1.xbiz.ne.jp resolves to 157.112.182.247.

ns2.xbiz.ne.jp resolves to 35.76.79.244.

ns3.xbiz.ne.jp resolves to 157.112.191.237.

Mail Servers

One mail server handles active-brains.jp; that server is active-brains.jp.

active-brains.jp points to a single IP number: 183.181.99.39.