sysdev.work - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

sysdev.work

DNSSEC⚠️ Not signed
A183.90.246.8🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv1507.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
MXsysdev.work ⭐
A183.90.246.8🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv1507.xserver.jp
TXTv=spf1 +a:sv1507.xserver.jp +a:sysdev.work +mx include:spf.sender.xserver.jp ...
SOAns1.xserver.jproot@xserver.jp serial=0

work

DNSSEC🔒 Signed (DS record present)
NSa.nic.work ⭐
NSb.nic.work
NSc.nic.work
NSx.nic.work
NSy.nic.work
NSz.nic.work
SOAa.nic.workadmin@tldns.godaddy serial=1788173543
⚠️ On DNS blocklist: spam-tlds

MX for

sysdev.work

Same first word

sysdev.ru
sysdev.ir
sysdev.es
sysdev.me
sysdev.us
sysdev.workers.dev
sysdev.rest
sysdev.co.za
sysdev.pro
sysdev.host
sysdev.com
sysdev.id
sysdev.org
sysdev.f5.si
sysdev.no
sysdev.co
sysdev.site
sysdev.engineer
sysdev.in
sysdev.tech
sysdev.de
sysdev.cf
sysdev.info
sysdev.cl
sysdev.lv
sysdev.work
sysdev.com.ly
sysdev.eu
sysdev.se
sysdev.com.ph
sysdev.ro
sysdev.dev
sysdev.co.uk
sysdev.fun

Similar names

sysedv.de
devsys.pw
devsys.ru
devsys.me
devsys.co.uk
devsys.ovh
devsys.com.mx
devsys.ca
sydevs.com
devsys.com
devsys.uk
devsys.pro
devsys.com.br
devsys.biz
devsys.cl
devsys.de
devsys.co.kr
sydevs.org
devsys.net
devsys.tech
devsys.co.in
devsys.se
devyss.de
yssdev.com
ssydev.us
devsys.co.za
edvsys.de
devsys.fr
devsys.hu
vedsys.com
devsys.com.uy
devsys.az
devsys.at

Previous names

synthix.work
synthoid.work
syntifai.work
syntony.work
syntopia.work
synwork.work
syodo.work
syogo-baseball.work
syokwinmyh5api.work
syoou.work
syouta2.work
syriac-eschool.work
syriac-treasury.work
sys-node-h0me.work
sysadm.work
sysadmin.work
sysadminjobs.work
sysadvlab.work

Next names

sysmatrix.work
sysmeasurin.work
sysolutions.work
sysom.work
sysoma.work
sysops.work
sysprobe.work
syst.work
systech.work
system-dojo.work
system64.work
systema.work
systemd-base.work
systeme.work
systemnet.work
systemof.work
systemon.work
systemsofintelligence.work
systemsreasoning.work
systemsx.work

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXsysdev.workA183.90.246.8
●NSns1.xserver.jp2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56
●NSns2.xserver.jp2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56
●NSns3.xserver.jp2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56
●NSns4.xserver.jp2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56
●NSns5.xserver.jp2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56
●MXsysdev.work2026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56
●A183.90.246.82026-08-30 → 2026-08-31 · 2 obs
● 2026-08-30 08:07:52
● 2026-08-31 11:28:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
worka.nic.work, b.nic.work, c.nic.work, x.nic.work...12 records
sysdev.workns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.247

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 sysdev.work (unsigned zone)

⏱️ Timing

Total: 1299ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.246.8
NS5ns5.xserver.jp, ns3.xserver.jp...
MX1sysdev.work (pri: 0)
TXT1v=spf1 +a:sv1507.xserver.jp +a:sysdev.wo
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.work, a.nic.work, b.nic.work...)

Analysis

Mail Server Role

sysdev.work handles its own mail, functioning as its own mail server.

IP Addresses

sysdev.work resolves to just one IP address, 183.90.246.8.

Two other host names, along with paso-sp.com, marudaigaku.jp and bari-hyogo.com, also share IP numbers with sysdev.work.

Name Servers

sysdev.work delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

sysdev.work shares at least some of its name servers with other domains, including unrealtom.com, pillowycafe.com, harihari-salon.com and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to 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 that point to one IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

sysdev.work is served by just one mail server: sysdev.work.

sysdev.work resolves to a single IP number: 183.90.246.8.