sysdev.work - dns.ninja

๐Ÿ›ก๏ธDomain Reputation CheckBlocklist, phishing & malware statusโ†’

sysdev.work

DNSSECโš ๏ธ Not signed
A183.90.246.8๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv1507.xserver.jp
NSns1.xserver.jp โญ
A202.226.36.164๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26๐Ÿ‡ฏ๐Ÿ‡ต Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXsysdev.work โญ
A183.90.246.8๐Ÿ‡ฏ๐Ÿ‡ต 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

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.nic.work โญ
NSb.nic.work
NSc.nic.work
NSx.nic.work
NSy.nic.work
NSz.nic.work
SOAa.nic.workadmin@tldns.godaddy serial=1788568389
โš ๏ธ On DNS blocklist: spam-tlds

MX for

Same first word

Similar names

Previous names

Next names

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXsysdev.workA183.90.246.8
โ—NSns1.xserver.jp2026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56
โ—NSns2.xserver.jp2026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56
โ—NSns3.xserver.jp2026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56
โ—NSns4.xserver.jp2026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56
โ—NSns5.xserver.jp2026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56
โ—MXsysdev.work2026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56
โ—A183.90.246.82026-08-30 โ†’ 2026-09-05 ยท 2 obs
โ— 2026-08-30 08:07:52
โ— 2026-09-05 00:47:56

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
worka.nic.work, b.nic.work, c.nic.work, x.nic.work...12 records
sysdev.workns1.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns2.xserver.jp...-

โœ… Authoritative Response

Server:35.72.43.26

NS records: ns1.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns2.xserver.jp, ns3.xserver.jp

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for sysdev.work (unsigned zone)

โฑ๏ธ Timing

Total: 1588ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1183.90.246.8
NS5ns4.xserver.jp, ns5.xserver.jp...
MX1sysdev.work (pri: 0)
TXT1v=spf1 +a:sv1507.xserver.jp +a:sysdev.wo
SOA1ns1.xserver.jp root.xserver.jp

๐Ÿ“Œ Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

sysdev.work is listed as a mail server for itself.

IP Addresses

sysdev.work resolves to one IP address: 183.90.246.8.

paso-sp.com, marudaigaku.jp, elite-pass.jp and two other host names share IP numbers with sysdev.work.

Name Servers

sysdev.work has five name servers, which are 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 medica-job.com, unrealtom.com, nishiyuki0501.com and two others.

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

Hostnames that resolve to three IP addresses:

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.

Hosts with just one IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

Mail for sysdev.work is handled by one mail server โ€” sysdev.work.

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