ns.pre21.jp - robtex.com

ns.pre21.jp

DNSSEC⚠️ Not signed
A183.90.242.31🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2130.xserver.jp

pre21.jp

DNSSEC⚠️ Not signed
A162.43.105.96🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
NSns1.xserver.jp ⭐
NSns2.xserver.jp
NSns3.xserver.jp
NSns4.xserver.jp
NSns5.xserver.jp
MXmail.pre21.jp ⭐
TXTv=spf1 +a:sv2130.xserver.jp +a:pre21.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@sv0.xserver.jp serial=0
WOT: SAFE (50/100)
WOT: SAFE (49/100)

Previously NS for

pre21.jp

Same first word

ns.tc
ns.hr
ns.org.cn
ns.fm
ns.art.pl
ns.keymachine.de
ns.parts
ns.az
ns.email
ns.boo
ns.com
ns.com.mv
ns.gov.mg
ns.eu
ns.sa
ns.army
ns.sh
ns.tk
ns.com.sg
ns.su
ns.services
ns.pro.br
ns.im
ns.fr
ns.sm.ua
ns.mx
ns.mil.tw
ns.vg
ns.or.kr
ns.team
ns.cv.ua
ns.agency
ns.je
ns.km.ua
ns.productions
ns.mt
ns.iki.fi
ns.no
ns.tel
ns.potager.org
ns.farm
ns.edu.me
ns.net.pl
ns.net.kg
ns.ml
ns.to.gov.br
ns.lib.md.us
ns.gov.sg
ns.in.ua
ns.co.kr
ns.nikolaev.ua
ns.kz
ns.ie
ns.kg
ns.free
ns.te.ua
ns.sb
ns.ac.rs
ns.gov.gu
ns.do
ns.kinghost.net
ns.taxi
ns.ge
ns.gy
ns.mv
ns.gouv.sn
ns.gov.mv
ns.software
ns.wtf
ns.ws
ns.co.th
ns.sg
ns.cf
ns.crimea.ua
ns.ac.th
ns.tools
ns.ha.cn
ns.ac
ns.com.au
ns.me.uk
ns.dog
ns.cr
ns.lutsk.ua
ns.net.ua
ns.world
ns.ro.gov.br
ns.sx
ns.cm
ns.od.ua
ns.dp.ua
ns.gob.cl
ns.si
ns.net.au
ns.gov.my
ns.gq
ns.synology.me
ns.myshopify.com
ns.gl
ns.gifts
ns.ly

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ns.cd
sn.net.ua
sn.lv
ns.dn.ua
sn.hu
ns.cl
ns.chat
ns.eu.org
ns.cx
ns.or.at
ns.hn
ns.ac.lk
ns.my
ns.fyi
sn.su
ns.fo
sn.od.ua
ns.ky
ns.tn
ns.lt
sn.com.sv
sn.no
ns.net.id
ns.hepforge.org
ns.spb.ru
ns.net
sn.ht
sn.edu.vn
ns.gov.pt
sn.de
ns.ax
ns.ci
ns.ms
ns.com.tw
sn.gl
ns.gg
ns.altervista.org
ns.nl
ns.radio.fm
ns.net.mv
ns.ai
ns.edu.pl
ns.k12.ut.us
ns.dyndns.org
ns.net.nz
ns.domains
sn.com.au
sn.be
ns.ras.ru
ns.co.at
ns.cz
ns.donetsk.ua
sn.biz
ns.cn
ns.gov.ru
ns.kharkov.ua
ns.hk
ns.s3.amazonaws.com
ns.com.co
sn.js.cn
ns.onl
ns.express
ns.hs.kr
sn.org.ua
ns.in.th
ns.gov.cl
sn.dp.ua
ns.uk
ns.works
ns.vc
ns.ae
ns.pl
ns.gov.lv
sn.se
ns.ck.ua
ns.riik.ee
sn.com.ar
sn.gy
sn.cv.ua
sn.im
sn.by
sn.net.br
sn.company
sn.co.rs
sn.me
sn.uk
sn.cc
sn.team
sn.sakura.ne.jp
sn.org
sn.ink

DNS History

3 records (1 active, 2 former)

2008201020122014201620182020202220242026A183.90.242.31124.146.168.251210.150.167.66
○A124.146.168.2512015-07-03 → 2016-05-02 · 4 obs
○ 2007-09-12 11:23:54
● 2015-07-03 22:11:34
● 2016-05-02 16:46:16
○ 2026-04-14 06:44:46
●A183.90.242.312026-04-14 → 2026-04-14 · 2 obs
○ 2016-05-02 16:46:16
● 2026-04-14 06:44:46
○A210.150.167.662007-09-12 → 2007-09-12 · 3 obs
● 2007-09-12 11:23:54
○ 2015-07-03 22:11:34
○ 2026-04-14 06:44:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, h.dns.jp, e.dns.jp, b.dns.jp...-
pre21.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:35.72.43.26

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 pre21.jp (unsigned zone)

⏱️ Timing

Total: 864ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.242.31

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

IP Addresses

ns.pre21.jp points to a single IP: 183.90.242.31.

Other host names, for instance mail.jspocc.com, www.bier-reise.net, xn--xgs782cxys.net, izene.co.jp and energysupport.jp share IP numbers with ns.pre21.jp.