sysch.net - robtex.com

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.
PTRip-202-226-36-164.defastlink.net
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-170.defastlink.net
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.
PTRip-183-90-224-226.defastlink.net
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRip-183-90-224-230.defastlink.net
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.
PTRip-157-112-182-218.defastlink.net
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRip-157-112-182-220.defastlink.net
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=1771291465

Subdomains

mail.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
chsys.net
schsy.de
ysshc.com
cshsy.com
hcsys.com
cshys.com
shcsy.com
ychss.org.hk
chssy.com
shysc.com
hsscy.com
hcsys.net
sycsh.com
csshy.com
shsyc.com
yscsh.com
chssy.net
cshys.cn
hyssc.top
ychss.com.cn
chsys.ru
hycss.com
chsys.org
ychss.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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
●NSns1.xserver.jp2026-02-28 → 2026-03-11 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
●NSns2.xserver.jp2026-02-28 → 2026-03-11 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-03-11 16:50:20
●NSns3.xserver.jp2026-02-28 → 2026-03-11 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-03-11 16:50:20
●NSns4.xserver.jp2026-02-28 → 2026-03-11 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-03-11 16:50:20
●NSns5.xserver.jp2026-02-28 → 2026-03-11 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○A66.96.130.112016-02-16 → 2016-02-16 · 3 obs
● 2016-02-16 05:00:24
○ 2016-06-22 18:15:38
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
○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
○ 2026-03-11 16:50:20
●A85.131.209.902026-02-28 → 2026-03-11 · 3 obs
○ 2020-01-03 21:15:58
● 2026-02-28 21:36:22
● 2026-03-11 16:50:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netc.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, d.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: 3045ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.209.90
NS5ns3.xserver.jp, ns2.xserver.jp...
TXT1v=spf1 +a:sv16549.xserver.jp +a:sysch.ne
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

mail.sysch.net is a child of sysch.net.

IP Addresses

sysch.net resolves to one IP number: 85.131.209.90.

Other host names, for instance a-net.biz, sv16549.xserver.jp, tenderfeel.xsrv.jp, webtecnote.com and mail.sysch.net share IP numbers with sysch.net.

Name Servers

sysch.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

sysch.net at least partially shares name servers with other domains, including slayer.jp, picknewsup.net, wiit.co, chukojitensya.com and xn--u9jz60hpxpo21b.jp.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.