studyone.work - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

studyone.work

DNSSEC⚠️ Not signed
A85.131.209.66🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16525.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
MXstudyone.work ⭐
A85.131.209.66🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16525.xserver.jp
TXTv=spf1 +a:sv16525.xserver.jp +a:studyone.work +mx include:spf.sender.xserver....
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=1793350675
⚠️ On DNS blocklist: spam-tlds

MX for

studyone.work

Same first word

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studyone.one
studyone.pages.dev
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studyone.work
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studyone.com
studyone.de
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DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXstudyone.workA85.131.209.66
●NSns1.xserver.jp2026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30
●NSns2.xserver.jp2026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30
●NSns3.xserver.jp2026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30
●NSns4.xserver.jp2026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30
●NSns5.xserver.jp2026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30
●MXstudyone.work2026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30
●A85.131.209.662026-09-01 → 2026-10-30 · 2 obs
● 2026-09-01 05:25:32
● 2026-10-30 09:49:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:157.112.182.220

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 studyone.work (unsigned zone)

⏱️ Timing

Total: 1900ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.209.66
NS5ns2.xserver.jp, ns4.xserver.jp...
MX1studyone.work (pri: 0)
TXT1v=spf1 +a:sv16525.xserver.jp +a:studyone
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

studyone.work acts as its own mail server.

IP Addresses

studyone.work points to a single IP number: 85.131.209.66.

Additional host names — user.catvmics.ne.jp, mimamori-family.com, fjhokkaido.jp and two others — share IP numbers with studyone.work.

Name Servers

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

The name servers of studyone.work overlap at least partially with those of other domains — among them hitomi-shika.jp, the-around-fifty.com, mareblu-senzaki.com and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with three IP numbers:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names pointing to a single IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

studyone.work has a single mail server: studyone.work itself.

studyone.work has exactly one IP number: 85.131.209.66.