duplexcases.com - robtex.com

duplexcases.com

DNSSEC⚠️ Not signed
A103.3.2.15🇯🇵 XSERVER-AS103.3.0.0/22 XSERVER Inc.
PTRsv12014.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
MXduplexcases.com ⭐
A103.3.2.15🇯🇵 XSERVER-AS103.3.0.0/22 XSERVER Inc.
PTRsv12014.xserver.jp
TXTgoogle-site-verification=0afedUxU2l8YXPFpVTEIsoJr3b83VDEDeY_8CqNu2D8
TXTgoogle-site-verification=N0UrB4P5kDByT5c8YnAKFkb4rWclVCSoAZQZuQYPegU
TXTv=spf1 +a:sv12014.xserver.jp +a:duplexcases.com +mx include:spf.sender.xserve...
SOAns1.xserver.jproot@xserver.jp serial=0

com

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=1774604242

MX for

duplexcases.com

Subdomains

com.duplexcases.com
invalid.duplexcases.com

Same first word

duplexcases.com

Similar names

sacduplexes.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns1.futurismworks.jpns2.futurismworks.jpns51.v6dns.jpns52.v6dns.jpMXduplexcases.comfs01.futurismworks.jpfs02.futurismworks.jpmail.duplexcases.com.duplexcases.comms71561361.msv1.invalid.duplexcases.comA103.3.2.15210.188.240.3
○NSns1.futurismworks.jp2015-08-11 → 2017-02-14 · 4 obs
● 2015-08-11 00:12:24
● 2017-02-14 10:09:16
○ 2018-06-12 20:11:28
○ 2026-03-27 10:07:30
●NSns1.xserver.jp2026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
○NSns2.futurismworks.jp2015-08-11 → 2017-02-14 · 4 obs
● 2015-08-11 00:12:24
● 2017-02-14 10:09:16
○ 2018-06-12 20:11:28
○ 2026-03-27 10:07:30
●NSns2.xserver.jp2026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
●NSns3.xserver.jp2026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
●NSns4.xserver.jp2026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
●NSns5.xserver.jp2026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
○NSns51.v6dns.jp2018-06-12 → 2018-06-12 · 4 obs
○ 2017-02-14 10:09:16
● 2018-06-12 20:11:28
○ 2026-03-07 02:40:24
○ 2026-03-27 10:07:30
○NSns52.v6dns.jp2018-06-12 → 2018-06-12 · 4 obs
○ 2017-02-14 10:09:16
● 2018-06-12 20:11:28
○ 2026-03-07 02:40:24
○ 2026-03-27 10:07:30
●MXduplexcases.com2026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
○MXfs01.futurismworks.jp2015-08-11 → 2017-02-14 · 4 obs
● 2015-08-11 00:12:24
● 2017-02-14 10:09:16
○ 2018-06-12 20:11:28
○ 2026-03-27 10:07:30
○MXfs02.futurismworks.jp2015-08-11 → 2017-02-14 · 4 obs
● 2015-08-11 00:12:24
● 2017-02-14 10:09:16
○ 2018-06-12 20:11:28
○ 2026-03-27 10:07:30
○MXmail.duplexcases.com.duplexcases.com2018-06-12 → 2018-06-12 · 4 obs
○ 2017-02-14 10:09:16
● 2018-06-12 20:11:28
○ 2026-03-07 02:40:24
○ 2026-03-27 10:07:30
○MXms71561361.msv1.invalid.duplexcases.com2018-06-12 → 2018-06-12 · 4 obs
○ 2017-02-14 10:09:16
● 2018-06-12 20:11:28
○ 2026-03-07 02:40:24
○ 2026-03-27 10:07:30
●A103.3.2.152026-03-07 → 2026-03-27 · 3 obs
○ 2018-06-12 20:11:28
● 2026-03-07 02:40:24
● 2026-03-27 10:07:30
○A210.188.240.32015-08-11 → 2018-06-12 · 4 obs
● 2015-08-11 00:12:24
● 2018-06-12 20:11:28
○ 2026-03-07 02:40:24
○ 2026-03-27 10:07:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
duplexcases.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 duplexcases.com (unsigned zone)

⏱️ Timing

Total: 4100ms | Queries: -

📄 Records

TypeCountSample Data
A1103.3.2.15
NS5ns2.xserver.jp, ns4.xserver.jp...
MX1duplexcases.com (pri: 0)
TXT3google-site-verification=N0UrB4P5kDByT5c, google-site-verification=0afedUxU2l8YXPF...
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

duplexcases.com is a parent of com.duplexcases.com and invalid.duplexcases.com.

Mail Server Role

For duplexcases.com, the mail server is duplexcases.com.

IP Addresses

duplexcases.com resolves to one IP number: 103.3.2.15.

other host names including satopedia.com, maejima-kenzai.com, noukasan-mikata.com, kankyouhozen.jp and un-city.com share IP numbers with duplexcases.com.

Name Servers

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

duplexcases.com at least partially shares name servers with other domains, for instance watanabe-r.co.jp, patentjapan.jp, mizukoto.com, gacha-gacha.net and takimotozeirishi.com.

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.

Mail Servers

duplexcases.com is served by a single mail server, duplexcases.com.

duplexcases.com resolves to IP 103.3.2.15.