sysdec.jp - dns.ninja

sysdec.jp

DNSSEC⚠️ Not signed
A160.16.104.253🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRtk2-228-23749.vs.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
MXsysdec.sakura.ne.jp ⭐
A219.94.155.185🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww355b.sakura.ne.jp
TXTv=spf1 a:www355b.sakura.ne.jp mx ~all
TXTgoogle-site-verification=U12Cd_f-k--jTcjIzKUdBe9Z2oGCls1xq73_1Zd29VE
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-06-21 #1

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=1782938703

Previously MX for

sysdec.jp

Same first word

sysdec.com
sysdec.com.ar
sysdec.ee
sysdec.jp
sysdec.eu
sysdec.sakura.ne.jp

Similar names

cessdy.com
decsys.work
edcsys.com
decsys.org
ycsdes.cn
dyssec.com
sydsec.se
ecdsys.com
yesdsc.com
decsys.be
yescds.com
decsys.co.jp
cedsys.com
scydes.com

DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXsysdec.sakura.ne.jpsysdec.jpA160.16.104.253219.94.155.185
●NSmaster.dns.ne.jp2015-06-12 → 2026-07-01 · 2 obs
● 2015-06-12 13:13:04
● 2026-07-01 21:20:34
●NSns1.dns.ne.jp2015-06-12 → 2026-07-01 · 2 obs
● 2015-06-12 13:13:04
● 2026-07-01 21:20:34
●NSns2.dns.ne.jp2015-06-12 → 2026-07-01 · 2 obs
● 2015-06-12 13:13:04
● 2026-07-01 21:20:34
○MXsysdec.jp2015-06-12 → 2017-04-10 · 4 obs
● 2015-06-12 13:13:04
● 2017-04-10 08:03:12
○ 2026-03-24 03:51:50
○ 2026-07-01 21:20:34
●MXsysdec.sakura.ne.jp2026-03-24 → 2026-07-01 · 3 obs
○ 2017-04-10 08:03:12
● 2026-03-24 03:51:50
● 2026-07-01 21:20:34
●A160.16.104.2532026-03-24 → 2026-07-01 · 3 obs
○ 2017-04-10 08:03:12
● 2026-03-24 03:51:50
● 2026-07-01 21:20:34
○A219.94.155.1852015-06-12 → 2017-04-10 · 4 obs
● 2015-06-12 13:13:04
● 2017-04-10 08:03:12
○ 2026-03-24 03:51:50
○ 2026-07-01 21:20:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
sysdec.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysdec.jp (unsigned zone)

⏱️ Timing

Total: 1113ms | Queries: -

📄 Records

TypeCountSample Data
A1160.16.104.253
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1sysdec.sakura.ne.jp (pri: 10)
TXT2v=spf1 a:www355b.sakura.ne.jp mx ~all, google-site-verification=U12Cd_f-k--jTcj
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

IP Addresses

sysdec.jp points to a single IP number: 160.16.104.253.

Host names such as tk2-228-23749.vs.sakura.ne.jp and shokuninkai.co.jp share IP numbers with sysdec.jp.

Name Servers

DNS for sysdec.jp is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sysdec.jp shares at least some of its name servers with other domains, including mmzc.net, murano-tax.com, graphoton.net and two others.

These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.

Mail Servers

sysdec.jp has one mail server: sysdec.sakura.ne.jp.

sysdec.jp shares its mail server configuration with other domains, such as sysdec.sakura.ne.jp and shokuninkai.co.jp.

sysdec.sakura.ne.jp has exactly one IP number: 219.94.155.185.