cfu.jp - robtex.com

cfu.jp

DNSSEC⚠️ Not signed
A103.3.1.92🇯🇵 XSERVER-AS103.3.0.0/22 XSERVER Inc.
PTRsv12251.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
MXcfu.jp ⭐
A103.3.1.92🇯🇵 XSERVER-AS103.3.0.0/22 XSERVER Inc.
PTRsv12251.xserver.jp
TXTv=spf1 +a:sv12251.xserver.jp +a:cfu.jp +mx include:spf.sender.xserver.jp ~all
TXTgoogle-site-verification=72wfHHj-7U6IQRKmqyC4rj2zwnIxP-jMQijgJWZiAfM
SOAns1.xserver.jproot@xserver.jp serial=0

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1778883303

MX for

cfu.jp

Same first word

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Similar names

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ucf.io
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ufc.hu
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fuc.ca
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ucf.org.uk
ufc.es
fcu.edu.uy
fcu.com.my
ufc.com.ge
ufc.cz
fuc.es
ucf.ac.uk
ucf.info
fcu.ua
ucf.at
ufc.com.br
fcu.me
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ufc.edu.qa
ucf.org.za
ucf.mba
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ufc.com
ucf.de
fcu.se
ucf.org
ucf.cn
ufc.co.kr
ufc.se
cuf.org.uk
ufc.xyz
fcu.es
cuf.com
ufc.co.in
fuc.us
cuf.ca
fcu.ru
ufc.co.th
ucf.church
cuf.net.pl
fuc.ru
ufc.vg
fuc.co.uk
cuf.be
ucf.es
ucf.com.ua
ucf.com
ufc.sk
ufc.dz
ufc.eu

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXcfu.jpA103.3.1.92
●NSns1.xserver.jp2026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06
●NSns2.xserver.jp2026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06
●NSns3.xserver.jp2026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06
●NSns4.xserver.jp2026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06
●NSns5.xserver.jp2026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06
●MXcfu.jp2026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06
●A103.3.1.922026-04-14 → 2026-05-15 · 2 obs
● 2026-04-14 07:01:00
● 2026-05-15 22:51:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
cfu.jpns1.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp...11 records

✅ Authoritative Response

Server:157.112.182.220

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfu.jp (unsigned zone)

⏱️ Timing

Total: 2032ms | Queries: -

📄 Records

TypeCountSample Data
A1103.3.1.92
NS5ns5.xserver.jp, ns4.xserver.jp...
MX1cfu.jp (pri: 0)
TXT2google-site-verification=72wfHHj-7U6IQRK, v=spf1 +a:sv12251.xserver.jp +a:cfu.jp +
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Mail Server Role

cfu.jp serves as the mail server for cfu.jp.

IP Addresses

cfu.jp resolves to a single IP address: 103.3.1.92.

Other host names including kibinoie.jp, harxinc.com, mapun-bali.com, www.thm-co.jp and mail.rapt-plusalpha.com share IP numbers with cfu.jp.

Name Servers

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

cfu.jp at least partially shares name servers with other domains, including fujiway.jp, dr-kaiya.com, tudrah.com, resm.info and takenotsuka-topic.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

A single mail server handles cfu.jp.

cfu.jp points to a single IP: 103.3.1.92.