fyb.jp - robtex.com

fyb.jp

DNSSEC⚠️ Not signed
A120.136.14.47🇯🇵 XSERVER-AS120.136.12.0/22 XSERVER Inc.
PTRsv746.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
MXfyb.jp ⭐
A120.136.14.47🇯🇵 XSERVER-AS120.136.12.0/22 XSERVER Inc.
PTRsv746.xserver.jp
TXTv=spf1 +a:sv746.xserver.jp +a:fyb.jp +mx include:spf.sender.xserver.jp ~all
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=1784054703

MX for

fyb.jp

Same first word

fyb.nh-serv.co.uk
fyb.be
fyb.dk
fyb.org
fyb.me
fyb.cl
fyb.us
fyb.fr
fyb.cc
fyb.de
fyb.it
fyb.nl
fyb.com.br
fyb.ru
fyb.ca
fyb.com.au
fyb.jp
fyb.ro
fyb.co
fyb.com

Similar names

bfy.com.ua
byf.cl
byf.one
bfy.ir
fby.com.cn
fby.ch
bfy.pages.dev
fby.it
byf.es
fby.cc
fby.ru
yfb.co.uk
bfy.nu
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yfb.red
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yfb.com
fby.de
ybf.pl
bfy.org
fby.xyz
bfy.de
bfy.co
bfy.pl
ybf.com.br
byf.org
fby.co
fby.jp
bfy.me
byf.ro
fby.net
byf.fr
fby.s3.amazonaws.com
bfy.com.tr
byf.today
bfy.one
ybf.jp
bfy.at
byf.ru
bfy.co.jp
fby.cz
bfy.us
fby.no
fby.be
bfy.com
bfy.es
byf.eu
ybf.nl
byf.co.kr
yfb.it
fby.cn
fby.eu
fby.info
yfb.eu
bfy.in
ybf.us
bfy.nl
fby.us
yfb.com.au
yfb.de
ybf.de
yfb.nl
bfy.cz
ybf.ru
bfy.ru
ybf.co
ybf.org.uk
yfb.cn
bfy.ca
byf.it
fby.kr
fby.in
yfb.us
byf.us
yfb.ir
bfy.pt
yfb.in
fby.com
ybf.fr
byf.cn
fby.org
bfy.jp
bfy.ch
byf.in
byf.com.tr
byf.com
ybf.be
ybf.cz
ybf.net
bfy.be
bfy.tw
fby.by
byf.dk
yfb.fr
yfb.ru
ybf.com
fby.mobi
ybf.ca
yfb.ca
byf.nl
fby.nl
yfb.me
bfy.it
byf.com.au

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpasns1.customer.ne.jpasns2.customer.ne.jpns3.sphere.ad.jpns4.sphere.ad.jpMXfyb.jpA120.136.14.47161.34.12.19661.126.56.106
○NSasns1.customer.ne.jp2015-07-06 → 2017-12-30 · 4 obs
● 2015-07-06 16:28:52
● 2017-12-30 01:29:42
○ 2021-04-25 16:24:46
○ 2026-07-14 19:45:12
○NSasns2.customer.ne.jp2015-07-06 → 2017-12-30 · 4 obs
● 2015-07-06 16:28:52
● 2017-12-30 01:29:42
○ 2021-04-25 16:24:46
○ 2026-07-14 19:45:12
●NSns1.xserver.jp2026-07-01 → 2026-07-14 · 3 obs
○ 2021-04-25 16:24:46
● 2026-07-01 18:30:02
● 2026-07-14 19:45:12
●NSns2.xserver.jp2026-07-01 → 2026-07-14 · 3 obs
○ 2021-04-25 16:24:46
● 2026-07-01 18:30:02
● 2026-07-14 19:45:12
○NSns3.sphere.ad.jp2021-04-25 → 2021-04-25 · 4 obs
○ 2017-12-30 01:29:42
● 2021-04-25 16:24:46
○ 2026-07-01 18:30:02
○ 2026-07-14 19:45:12
●NSns3.xserver.jp2026-07-01 → 2026-07-14 · 3 obs
○ 2021-04-25 16:24:46
● 2026-07-01 18:30:02
● 2026-07-14 19:45:12
○NSns4.sphere.ad.jp2021-04-25 → 2021-04-25 · 4 obs
○ 2017-12-30 01:29:42
● 2021-04-25 16:24:46
○ 2026-07-01 18:30:02
○ 2026-07-14 19:45:12
●NSns4.xserver.jp2026-07-01 → 2026-07-14 · 3 obs
○ 2021-04-25 16:24:46
● 2026-07-01 18:30:02
● 2026-07-14 19:45:12
●NSns5.xserver.jp2026-07-01 → 2026-07-14 · 3 obs
○ 2021-04-25 16:24:46
● 2026-07-01 18:30:02
● 2026-07-14 19:45:12
●MXfyb.jp2015-07-06 → 2026-07-14 · 2 obs
● 2015-07-06 16:28:52
● 2026-07-14 19:45:12
●A120.136.14.472026-07-01 → 2026-07-14 · 3 obs
○ 2021-04-25 16:24:46
● 2026-07-01 18:30:02
● 2026-07-14 19:45:12
○A161.34.12.1962021-04-25 → 2021-04-25 · 4 obs
○ 2017-12-30 01:29:42
● 2021-04-25 16:24:46
○ 2026-07-01 18:30:02
○ 2026-07-14 19:45:12
○A61.126.56.1062015-07-06 → 2017-12-30 · 4 obs
● 2015-07-06 16:28:52
● 2017-12-30 01:29:42
○ 2021-04-25 16:24:46
○ 2026-07-14 19:45:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, c.dns.jp, h.dns.jp, a.dns.jp...-
fyb.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.247

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 fyb.jp (unsigned zone)

⏱️ Timing

Total: 753ms | Queries: -

📄 Records

TypeCountSample Data
A1120.136.14.47
NS5ns1.xserver.jp, ns5.xserver.jp...
MX1fyb.jp (pri: 0)
TXT1v=spf1 +a:sv746.xserver.jp +a:fyb.jp +mx
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

fyb.jp acts as its own mail server.

IP Addresses

fyb.jp points to a single IP number: 120.136.14.47.

Additional host names — furusawa909.xsrv.jp, tensi.co.jp, cyberlab.info and two others — share IP numbers with fyb.jp.

Name Servers

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

fyb.jp has at least partial name server overlap with other domains, such as e-trend.jp, human-innovation.co.jp, worknavi.co.jp and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with three IP numbers:

The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The hostname ns5.xserver.jp directs 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 has the IP address 35.72.43.26.

ns3.xserver.jp has the IP address 202.226.36.247.

Mail Servers

fyb.jp has a single mail server: fyb.jp itself.

fyb.jp directs to just one IP number, 120.136.14.47.