kfr.co.jp - robtex.com

kfr.co.jp

DNSSEC⚠️ Not signed
A216.230.253.74🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwebltw74.alpha-mail.jp
NSkotetsu.alpha-lt.net ⭐
A157.205.252.6🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRamdns01.alpha-mail.jp
NSamdns03.alpha-mail.jp
A216.230.254.112🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRamdns03.alpha-mail.jp
NStsukuba.aics.ne.jp
A157.205.252.7🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRamdns02.alpha-mail.jp
MXampub01.alpha-mail.net ⭐
A216.230.254.1🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
MXampub02.alpha-mail.net ⭐
A216.230.254.2🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
MXampub03.alpha-mail.net ⭐
A216.230.254.3🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub03.alpha-mail.net
MXampub04.alpha-mail.net(50)
A216.230.254.4🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub04.alpha-mail.net
TXTv=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2...
SOAkotetsu.alpha-lt.netpostmaster@alpha-web.ne.jp 2023-08-03 #0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Same first word

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kfr.at
kfr.ch
kfr.fr
kfr.it
kfr.in
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Similar names

fkr.be
rkf.dk
frk.ee
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krf.lt
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krf.com
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fkr.org
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frk.nl
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frk.su
frk.ch
krf.com.ua
rkf.ca
frk.be
krf.co
krf.dk
krf.si
rfk.us
fkr.co.jp
krf.or.jp
frk.at
rfk.at
fkr.ru
rfk.info
fkr.it
frk.com.au
frk.cn
rkf.nl
frk.co.uk
frk.ca
fkr.eu
rkf.com.py
krf.life
rfk.eu
krf.ro
rkf.com.tw
fkr.world
frk.wf
krf.org
rfk.co.jp
krf.se
krf.at
rkf.ai
frk.pt
rfk.com.au
krf.co.nz
fkr.de
rfk.com
frk.dk
fkr.com.my
frk.net
krf.li
krf.com.mx
fkr.mobi
rkf.cn
krf.be
rkf.online
frk.co.il
krf.com.cn
rkf.info

DNS History

9 records (8 active, 1 former)

2020202120222023202420252026NSamdns03.alpha-mail.jpkotetsu.alpha-lt.nettsukuba.aics.ne.jpMXampub01.alpha-mail.netampub02.alpha-mail.netampub03.alpha-mail.netampub04.alpha-mail.netA216.230.253.74216.230.250.186
●NSamdns03.alpha-mail.jp2026-07-01 → 2026-07-13 · 3 obs
○ 2019-03-29 13:41:50
● 2026-07-01 14:23:20
● 2026-07-13 01:37:46
●NSkotetsu.alpha-lt.net2019-03-29 → 2026-07-13 · 2 obs
● 2019-03-29 13:41:50
● 2026-07-13 01:37:46
●NStsukuba.aics.ne.jp2019-03-29 → 2026-07-13 · 2 obs
● 2019-03-29 13:41:50
● 2026-07-13 01:37:46
●MXampub01.alpha-mail.net2019-03-29 → 2026-07-13 · 2 obs
● 2019-03-29 13:41:50
● 2026-07-13 01:37:46
●MXampub02.alpha-mail.net2019-03-29 → 2026-07-13 · 2 obs
● 2019-03-29 13:41:50
● 2026-07-13 01:37:46
●MXampub03.alpha-mail.net2019-03-29 → 2026-07-13 · 2 obs
● 2019-03-29 13:41:50
● 2026-07-13 01:37:46
●MXampub04.alpha-mail.net2019-03-29 → 2026-07-13 · 2 obs
● 2019-03-29 13:41:50
● 2026-07-13 01:37:46
○A216.230.250.1862019-03-29 → 2019-03-29 · 3 obs
● 2019-03-29 13:41:50
○ 2026-07-01 14:23:20
○ 2026-07-13 01:37:46
●A216.230.253.742026-07-01 → 2026-07-13 · 3 obs
○ 2019-03-29 13:41:50
● 2026-07-01 14:23:20
● 2026-07-13 01:37:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, f.dns.jp, a.dns.jp, c.dns.jp...-
kfr.co.jptsukuba.aics.ne.jp, amdns03.alpha-mail.jp, kotetsu.alpha-lt.net1 record

✅ Authoritative Response

Server:216.230.254.112

NS records: tsukuba.aics.ne.jp, amdns03.alpha-mail.jp, kotetsu.alpha-lt.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kfr.co.jp (unsigned zone)

⏱️ Timing

Total: 1369ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.253.74
NS3tsukuba.aics.ne.jp, kotetsu.alpha-lt.net...
MX4ampub04.alpha-mail.net (pri: 50), ampub01.alpha-mail.net (pri: 10)...
TXT1v=spf1 ip4:157.205.202.0/24 ip4:157.205.
SOA1kotetsu.alpha-lt.net postmaster.alpha-we

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)

Analysis

IP Addresses

kfr.co.jp directs to one IP number, which is 216.230.253.74.

Among the host names that share IP numbers with kfr.co.jp are chowaipf.com, reboot-hk.com, a-rouge.co.jp and two others.

Name Servers

kfr.co.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

The name servers of kfr.co.jp overlap at least partially with those of other domains — among them 7bridge.jp, k-company.biz, m2lab.co.jp and two more.

amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp each resolve to a single IP address: amdns03.alpha-mail.jp resolves to 216.230.254.112, kotetsu.alpha-lt.net resolves to 157.205.252.6 and tsukuba.aics.ne.jp resolves to 157.205.252.7.

Mail Servers

Mail for kfr.co.jp is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

kfr.co.jp shares at least some of its mail servers with other domains — for example i-kenso.com, kawasakikeirin.com, mmc-co.jp and two more.

ampub01.alpha-mail.net resolves to 216.230.254.1. ampub02.alpha-mail.net resolves to 216.230.254.2. ampub03.alpha-mail.net resolves to 216.230.254.3. ampub04.alpha-mail.net resolves to 216.230.254.4. All four hosts carry exactly one IP address.