sths.ed.jp - robtex.com

sths.ed.jp

DNSSEC⚠️ Not signed
A219.94.189.241🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR241.189.94.219.static.www341b.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXsths.ed.jp ⭐
A219.94.189.241🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR241.189.94.219.static.www341b.sakura.ne.jp
TXTv=spf1 a:www341b.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2018-12-25 #12

ed.jp

DNSSEC⚠️ Not signed
TXTed.jp.
WOT: SAFE (64/100)
WOT: SAFE (74/100)

MX for

sths.ed.jp

Subdomains

mail.sths.ed.jp
www.sths.ed.jp

Same first word

sths.eu
sths.dk
sths.org
sths.net
sths.co.uk
sths.ru
sths.nu
sths.co.jp
sths.ed.jp
sths.com
sths.se
sths.ca
sths.com.au
sths.at
sths.cn
sths.fi
sths.de

Similar names

thss.com.au
htss.ru
tshs.ru
shst.co.jp
shst.at
tssh.cn
htss.com.au
tshs.net
tshs.info
hsst.com.au
shst.net
stsh.ch
htss.dk
tssh.net.au
tssh.de
htss.us
stsh.org
htss.kz
ssht.ir
thss.com
shst.ru
shst.jp
ssth.ch
shts.org.cn
hsst.ae
stsh.cn
shst.com.cn
thss.se
thss.org
ssth.edu.hk
ssht.com.au
tssh.ru
shst.cn
ssth.cn
shts.tk
ssht.ru
tssh.net
stsh.no
htss.cz
stsh.xyz
shst.org
htss.co.nz
htss.co.in
shst.net.cn
tssh.com
ssht.org
htss.ca
hsst.com
hsst.de
hsts.org
htss.com.br
htss.edu.sl
tssh.org.tw
ssth.com
thss.co.jp
stsh.it
stsh.ru
hsst.jp
shts.cn
htss.eu
htss.ch
hsst.ca
hsst.net
shts.com
ssht.co.kr
hsts.de
tssh.org
tshs.cn
stsh.ir
shts.nl
tssh.eu
hsts.ru
shts.info
tssh.nl
tshs.com
tshs.de
stsh.io
hsts.top
hsst.or.th
shts.by
ssth.se
stsh.de
hsts.co.uk
htss.ro
hsts.co.za
thss.ru
tssh.com.cn
thss.com.br
htss.org.uk
hsts.win
stsh.se
stsh.com.cn
shts.se
htss.net
ssht.ch
shts.de
stsh.net
thss.net
thss.org.cn
htss.cc
hsts.hr
ssht.kr
shst.de
thss.eu
shts.ru
ssth.fi
tssh.co.uk
shts.net
tshs.eu
thss.de
htss.gr
stsh.world
htss.com
ssht.net
shts.org
hsts.eu
shst.co.kr
tshs.dk
hsts.it
tshs.cz
shts.fi
shst.hu
hsts.com.cn
thss.com.ng
hsts.bid
ssht.com
htss.tech
stsh.nl
hsst.info
stsh.co.kr
shts.com.au
hsts.ovh
shst.ro
hsts.in
hsst.ru
thss.synology.me
shst.us
tshs.org
hsts.net
hsts.biz
thss.ca
htss.cn
hsts.com
stsh.com
htss.org
hsst.org
ssht.com.cn
htss.de
htss.in
ssht.sk

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns-kg022.ocn.ad.jpwww.sths.ed.jpMXsths.ed.jpmail.sths.ed.jpA219.94.189.241
●NSmaster.dns.ne.jp2026-04-10 → 2026-05-10 · 3 obs
○ 2016-11-26 17:23:38
● 2026-04-10 17:14:34
● 2026-05-10 01:05:00
○NSns-kg022.ocn.ad.jp2015-06-22 → 2016-11-26 · 4 obs
● 2015-06-22 05:04:58
● 2016-11-26 17:23:38
○ 2026-04-10 17:14:34
○ 2026-05-10 01:05:00
●NSns1.dns.ne.jp2026-04-10 → 2026-05-10 · 3 obs
○ 2016-11-26 17:23:38
● 2026-04-10 17:14:34
● 2026-05-10 01:05:00
●NSns2.dns.ne.jp2026-04-10 → 2026-05-10 · 3 obs
○ 2016-11-26 17:23:38
● 2026-04-10 17:14:34
● 2026-05-10 01:05:00
○NSwww.sths.ed.jp2015-06-22 → 2016-11-26 · 4 obs
● 2015-06-22 05:04:58
● 2016-11-26 17:23:38
○ 2026-04-10 17:14:34
○ 2026-05-10 01:05:00
○MXmail.sths.ed.jp2015-06-22 → 2016-11-26 · 4 obs
● 2015-06-22 05:04:58
● 2016-11-26 17:23:38
○ 2026-04-10 17:14:34
○ 2026-05-10 01:05:00
●MXsths.ed.jp2026-04-10 → 2026-05-10 · 3 obs
○ 2016-11-26 17:23:38
● 2026-04-10 17:14:34
● 2026-05-10 01:05:00
●A219.94.189.2412026-04-10 → 2026-05-10 · 2 obs
● 2026-04-10 17:14:34
● 2026-05-10 01:05:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
sths.ed.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sths.ed.jp (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.189.241
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1sths.ed.jp (pri: 10)
TXT1v=spf1 a:www341b.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Hierarchy

sths.ed.jp is a parent of mail.sths.ed.jp and www.sths.ed.jp.

Mail Server Role

sths.ed.jp serves as a mail server for sths.ed.jp.

IP Addresses

sths.ed.jp points to a single IP: 219.94.189.241.

Other host names, such as 241.189.94.219.static.www341b.sakura.ne.jp, share IP numbers with sths.ed.jp.

Name Servers

sths.ed.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sths.ed.jp partially shares name servers with other domains; examples include saitousisho.com, vinaccia.jp, hairspace.jp, indigoboar5.sakura.ne.jp and msv-im00240.sakura.ne.jp.

Host names with one IP number:

Host master.dns.ne.jp points to 210.224.172.18.

Host ns1.dns.ne.jp points to 61.211.236.1.

Host ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

sths.ed.jp is handled by a single mail server, sths.ed.jp.

sths.ed.jp points to a single IP: 219.94.189.241.