secondbrain.jp - dns.ninja

secondbrain.jp

DNSSEC⚠️ Not signed
A210.143.102.102🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox
PTRns.secondbrain.jp
NSns.secondbrain.jp ⭐
A210.143.102.102🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox
PTRns.secondbrain.jp
NSdns2.ixent.ne.jp ⚠️ Not in zone NS records
A210.143.106.4🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox
PTRdns2.ixent.ne.jp
MXmail.secondbrain.jp ⭐
A210.143.102.102🇯🇵 PROX210.143.96.0/20 PNAP-TOK prox
PTRns.secondbrain.jp
TXTv=spf1 ip4:210.143.102.102 ~all
SOAns.secondbrain.jproot@secondbrain.jp 2017-01-26 #79

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=1780696802

Subdomains

ns.secondbrain.jp
mail.secondbrain.jp

Same first word

secondbrain.us
secondbrain.me
secondbrain.my.id
secondbrain.de
secondbrain.co.kr
secondbrain.eu
secondbrain.com
secondbrain.biz
secondbrain.co.uk
secondbrain.jp
secondbrain.co.jp
secondbrain.ai
secondbrain.it
secondbrain.org
secondbrain.io
secondbrain.is
secondbrain.net

Similar names

casinobrend.com
iconebrands.com
dbernasconi.com
bancodiners.com
briceandson.com

DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026NSdns2.ixent.ne.jpns.secondbrain.jpMXmail.secondbrain.jpA210.143.102.102
●NSdns2.ixent.ne.jp2026-03-31 → 2026-06-05 · 3 obs
○ 2015-08-10 19:19:26
● 2026-03-31 19:24:40
● 2026-06-05 22:04:44
●NSns.secondbrain.jp2015-08-10 → 2026-06-05 · 2 obs
● 2015-08-10 19:19:26
● 2026-06-05 22:04:44
●MXmail.secondbrain.jp2015-08-10 → 2026-06-05 · 2 obs
● 2015-08-10 19:19:26
● 2026-06-05 22:04:44
●A210.143.102.1022015-08-10 → 2026-06-05 · 2 obs
● 2015-08-10 19:19:26
● 2026-06-05 22:04:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
secondbrain.jpns.secondbrain.jp, dns2.ixent.ne.jp2 records

✅ Authoritative Response

Server:210.143.106.4

NS records: ns.secondbrain.jp, dns2.ixent.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for secondbrain.jp (unsigned zone)

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

TypeCountSample Data
A1210.143.102.102
NS1ns.secondbrain.jp
MX1mail.secondbrain.jp (pri: 10)
TXT1v=spf1 ip4:210.143.102.102 ~all
SOA1ns.secondbrain.jp root.secondbrain.jp

📌 Glue Records Collected

Total: 2

In-bailiwick: 1 (ns.secondbrain.jp)

Out-of-bailiwick: 1 (dns2.ixent.ne.jp)

Analysis

Hierarchy

ns.secondbrain.jp and mail.secondbrain.jp each fall under secondbrain.jp as their parent domain.

IP Addresses

secondbrain.jp resolves to just one IP address, 210.143.102.102.

Two other host names, along with mail.secondbrain.jp, ns.secondbrain.jp and mail.koshoten.net, also share IP numbers with secondbrain.jp.

Name Servers

The NS records for secondbrain.jp delegate to ns.secondbrain.jp and dns2.ixent.ne.jp.

secondbrain.jp shares the same name server setup with other domains, for instance kawasaki-lise.jp and koshoten.net.

secondbrain.jp shares at least some of its name servers with other domains, including excellence-web.co.jp, awajishima-longride.jp, teamkeepleft.net and two others.

These name servers co-occur with ns.kssrv.jp, dns1.ixent.ne.jp, ns.mountain-j.com and seven other name servers on a regular basis.

ns.secondbrain.jp and dns2.ixent.ne.jp each resolve to one IP number: ns.secondbrain.jp points to 210.143.102.102 and dns2.ixent.ne.jp points to 210.143.106.4.

Mail Servers

The sole mail server for secondbrain.jp is mail.secondbrain.jp.

mail.secondbrain.jp resolves to 210.143.102.102 and no other IP number.