umithek.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

umithek.com

DNSSEC⚠️ Not signed
A183.90.241.12🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv7491.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.
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.
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.
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.
MXumithek.com ⭐
A183.90.241.12🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv7491.xserver.jp
TXTv=spf1 +a:sv7491.xserver.jp +a:umithek.com +mx include:spf.sender.xserver.jp ...
TXTgoogle-site-verification=-1h_KcHWkhcDCH4iMp1LgDLpsUaBMnmWlUBFHFYbVkQ
SOAns1.xserver.jproot@xserver.jp serial=0

com

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.jpMXumithek.comA183.90.241.12
●NSns1.xserver.jp2026-09-16 → 2026-10-22 · 2 obs
● 2026-09-16 22:20:08
● 2026-10-22 07:58:32
●NSns2.xserver.jp2026-09-16 → 2026-10-22 · 2 obs
● 2026-09-16 22:20:08
● 2026-10-22 07:58:32
●NSns3.xserver.jp2026-09-16 → 2026-10-22 · 2 obs
● 2026-09-16 22:20:08
● 2026-10-22 07:58:32
●NSns4.xserver.jp2026-09-16 → 2026-10-22 · 2 obs
● 2026-09-16 22:20:08
● 2026-10-22 07:58:32
●NSns5.xserver.jp2026-09-16 → 2026-10-22 · 2 obs
● 2026-09-16 22:20:08
● 2026-10-22 07:58:32
●MXumithek.com2026-09-16 → 2026-10-22 · 4 obs
● 2026-09-16 22:20:08
○ 2026-10-14 10:04:28
● 2026-10-16 20:13:18
● 2026-10-22 07:58:32
●A183.90.241.122026-09-16 → 2026-10-22 · 4 obs
● 2026-09-16 22:20:08
○ 2026-10-14 10:04:28
● 2026-10-16 20:13:18
● 2026-10-22 07:58:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
umithek.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:183.90.224.230

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 umithek.com (unsigned zone)

⏱️ Timing

Total: 1787ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.241.12
NS5ns5.xserver.jp, ns4.xserver.jp...
MX1umithek.com (pri: 0)
TXT2v=spf1 +a:sv7491.xserver.jp +a:umithek.c, google-site-verification=-1h_KcHWkhcDCH4
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

umithek.com acts as its own mail server.

IP Addresses

umithek.com points to a single IP number: 183.90.241.12.

Additional host names — tasogaren.com, if-tavi.com, humanlab.co.jp and two others — share IP numbers with umithek.com.

Name Servers

Delegation for umithek.com is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

umithek.com shares at least some of its name servers with other domains, including webyabeco.com, machabiz.com, az-rentacar.com and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.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 pointing to a single IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

umithek.com has a single mail server: umithek.com itself.

umithek.com resolves to a single IP number: 183.90.241.12.