sysch.net - dns.ninja

sysch.net

DNSSEC⚠️ Not signed
A85.131.209.90🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16549.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
TXTv=spf1 +a:sv16549.xserver.jp +a:sysch.net +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783932377

Subdomains

mail.sysch.net
mx.sysch.net

Same first word

sysch.net
sysch.com
sysch.nl

Similar names

chyss.com
yshsc.com
chssy.kr
schsy.com
hsysc.cn
schsy.net
hcyss.net
cyssh.com
scshy.net
hycss.org.hk
chsys.com
scysh.com
schsy.de
ysshc.com
cshsy.com
hcsys.com
cshys.com
shcsy.com
ychss.org.hk
chssy.com
shysc.com
hyssc.com
scsyh.com
chyss.one
hsscy.com
hcsys.net
chsys.sinaapp.com
sycsh.com
hsycs.com
chsys.com.mx
csshy.com
shsyc.com
yscsh.com
chssy.net
cshys.cn
hyssc.top
ychss.com.cn
chsys.ru
hycss.com
chsys.org
ychss.com
sychs.com
syshc.net

DNS History

18 records (6 active, 12 former)

2017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.ipower.comns1.uniregistrymarket.linkns2.ipower.comns2.uniregistrymarket.linkuns01.lolipop.jpuns02.lolipop.jpMXmx.sysch.netmx01.lolipop.jpA85.131.209.90163.44.185.25366.96.130.1166.96.149.169.172.201.153
○NSns1.ipower.com2016-02-16 → 2016-06-22 · 4 obs
● 2016-02-16 05:00:24
● 2016-06-22 18:15:38
○ 2017-02-14 18:56:06
○ 2026-07-13 09:09:38
○NSns1.uniregistrymarket.link2017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-22 18:15:38
● 2017-02-14 18:56:06
○ 2020-01-03 21:15:58
○ 2026-07-13 09:09:38
●NSns1.xserver.jp2026-02-28 → 2026-07-13 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-07-13 09:09:38
○NSns2.ipower.com2016-02-16 → 2016-06-22 · 4 obs
● 2016-02-16 05:00:24
● 2016-06-22 18:15:38
○ 2017-02-14 18:56:06
○ 2026-07-13 09:09:38
○NSns2.uniregistrymarket.link2017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-22 18:15:38
● 2017-02-14 18:56:06
○ 2020-01-03 21:15:58
○ 2026-07-13 09:09:38
●NSns2.xserver.jp2026-02-28 → 2026-07-13 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-07-13 09:09:38
●NSns3.xserver.jp2026-02-28 → 2026-07-13 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-07-13 09:09:38
●NSns4.xserver.jp2026-02-28 → 2026-07-13 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-07-13 09:09:38
●NSns5.xserver.jp2026-02-28 → 2026-07-13 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-07-13 09:09:38
○NSuns01.lolipop.jp2020-01-03 → 2020-01-03 · 4 obs
○ 2017-02-14 18:56:06
● 2020-01-03 21:15:58
○ 2026-02-28 21:36:22
○ 2026-07-13 09:09:38
○NSuns02.lolipop.jp2020-01-03 → 2020-01-03 · 4 obs
○ 2017-02-14 18:56:06
● 2020-01-03 21:15:58
○ 2026-02-28 21:36:22
○ 2026-07-13 09:09:38
○MXmx.sysch.net2016-02-16 → 2016-06-22 · 4 obs
● 2016-02-16 05:00:24
● 2016-06-22 18:15:38
○ 2017-02-14 18:56:06
○ 2026-07-13 09:09:38
○MXmx01.lolipop.jp2020-01-03 → 2020-01-03 · 4 obs
○ 2017-02-14 18:56:06
● 2020-01-03 21:15:58
○ 2026-02-28 21:36:22
○ 2026-07-13 09:09:38
○A163.44.185.2532020-01-03 → 2020-01-03 · 4 obs
○ 2017-02-14 18:56:06
● 2020-01-03 21:15:58
○ 2026-02-28 21:36:22
○ 2026-07-13 09:09:38
○A66.96.130.112016-02-16 → 2016-02-16 · 3 obs
● 2016-02-16 05:00:24
○ 2016-06-22 18:15:38
○ 2026-07-13 09:09:38
○A66.96.149.12016-06-22 → 2016-06-22 · 4 obs
○ 2016-02-16 05:00:24
● 2016-06-22 18:15:38
○ 2017-02-14 18:56:06
○ 2026-07-13 09:09:38
○A69.172.201.1532017-02-14 → 2017-02-14 · 4 obs
○ 2016-06-22 18:15:38
● 2017-02-14 18:56:06
○ 2020-01-03 21:15:58
○ 2026-07-13 09:09:38
●A85.131.209.902026-02-28 → 2026-07-13 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-07-13 09:09:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netb.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net...-
sysch.netns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.246

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 sysch.net (unsigned zone)

⏱️ Timing

Total: 1348ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.209.90
NS5ns5.xserver.jp, ns3.xserver.jp...
TXT1v=spf1 +a:sv16549.xserver.jp +a:sysch.ne
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

sysch.net serves as the parent of mail.sysch.net and mx.sysch.net.

IP Addresses

sysch.net has exactly one IP address — 85.131.209.90.

a-net.biz, mx.sysch.net, sv16549.xserver.jp plus two other host names have IP numbers in common with sysch.net.

Name Servers

Five name servers handle delegation for sysch.net: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of sysch.net's name servers are shared with other domains, for example slayer.jp, irescue.jp, picknewsup.net and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.