fknowledge.biz - robtex.com

fknowledge.biz

DNSSEC⚠️ Not signed
A210.157.79.157🇯🇵 XSERVER-AS210.157.78.0/23 XSERVER Inc.
PTRsv6816.wpx.ne.jp
NSns1.wpx.ne.jp ⭐
A157.112.145.65🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.66🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.67🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.68🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.69🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.70🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.145🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.146🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
A157.112.145.232🇯🇵 XSERVER-AS157.112.144.0/21 XSERVER Inc.
PTRns1.wpx.ne.jp
NSns2.wpx.ne.jp
A120.136.10.149🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.
A120.136.10.150🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.
A120.136.10.243🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc.
PTRns2.wpx.ne.jp
A183.90.225.214🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.225.215🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.225.216🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.225.217🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.225.218🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
NSns3.wpx.ne.jp
A157.112.182.226🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.227🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.228🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.229🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.230🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.254🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.244🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.wpx.ne.jp
MXfknowledge.biz ⭐
A210.157.79.157🇯🇵 XSERVER-AS210.157.78.0/23 XSERVER Inc.
PTRsv6816.wpx.ne.jp
TXTv=spf1 +a:sv6816.wpx.ne.jp +a:fknowledge.biz +mx include:spf.sender.xserver.j...
SOAns1.wpx.ne.jproot@wpx.ne.jp serial=0

biz

DNSSEC🔒 Signed (DS record present)
NSa.gtld.biz ⭐
NSb.gtld.biz
NSc.gtld.biz
NSm.gtld.biz
NSn.gtld.biz
NSw.gtld.biz
NSx.gtld.biz
NSy.gtld.biz
SOAa.gtld.bizadmin@tldns.godaddy serial=1774517591

MX for

fknowledge.biz

Same first word

fknowledge.biz
fknowledge.info

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns1.wpx.ne.jpns2.wpx.ne.jpns3.wpx.ne.jpdns1.onamae.comdns2.onamae.comns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXfknowledge.bizA210.157.79.157183.90.228.4
○NSdns1.onamae.com2026-03-24 → 2026-03-26 · 2 obs
○ 2026-03-24 02:36:16
○ 2026-03-26 10:12:20
○NSdns2.onamae.com2026-03-24 → 2026-03-26 · 2 obs
○ 2026-03-24 02:36:16
○ 2026-03-26 10:12:20
●NSns1.wpx.ne.jp2026-03-24 → 2026-03-26 · 3 obs
○ 2020-04-12 17:58:50
● 2026-03-24 02:36:16
● 2026-03-26 10:12:20
○NSns1.xserver.jp2015-10-11 → 2017-01-24 · 4 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
○ 2026-03-26 10:12:20
●NSns2.wpx.ne.jp2026-03-24 → 2026-03-26 · 3 obs
○ 2020-04-12 17:58:50
● 2026-03-24 02:36:16
● 2026-03-26 10:12:20
○NSns2.xserver.jp2015-10-11 → 2017-01-24 · 4 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
○ 2026-03-26 10:12:20
●NSns3.wpx.ne.jp2026-03-24 → 2026-03-26 · 3 obs
○ 2020-04-12 17:58:50
● 2026-03-24 02:36:16
● 2026-03-26 10:12:20
○NSns3.xserver.jp2015-10-11 → 2017-01-24 · 4 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
○ 2026-03-26 10:12:20
○NSns4.xserver.jp2015-10-11 → 2017-01-24 · 4 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
○ 2026-03-26 10:12:20
○NSns5.xserver.jp2015-10-11 → 2017-01-24 · 4 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
○ 2026-03-26 10:12:20
●MXfknowledge.biz2015-10-11 → 2026-03-26 · 5 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
● 2026-03-24 02:36:16
● 2026-03-26 10:12:20
○A183.90.228.42015-10-11 → 2017-01-24 · 4 obs
● 2015-10-11 20:43:38
● 2017-01-24 16:34:02
○ 2020-04-12 17:58:50
○ 2026-03-26 10:12:20
●A210.157.79.1572026-03-24 → 2026-03-26 · 3 obs
○ 2020-04-12 17:58:50
● 2026-03-24 02:36:16
● 2026-03-26 10:12:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bizn.gtld.biz, m.gtld.biz, c.gtld.biz, x.gtld.biz...-
fknowledge.bizns1.wpx.ne.jp, ns2.wpx.ne.jp, ns3.wpx.ne.jp-

✅ Authoritative Response

Server:157.112.182.229

NS records: ns1.wpx.ne.jp, ns2.wpx.ne.jp, ns3.wpx.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fknowledge.biz (unsigned zone)

⏱️ Timing

Total: 1434ms | Queries: -

📄 Records

TypeCountSample Data
A1210.157.79.157
NS3ns1.wpx.ne.jp, ns3.wpx.ne.jp...
MX1fknowledge.biz (pri: 0)
TXT1v=spf1 +a:sv6816.wpx.ne.jp +a:fknowledge
SOA1ns1.wpx.ne.jp root.wpx.ne.jp

Analysis

Mail Server Role

fknowledge.biz is the mail server for fknowledge.biz.

IP Addresses

fknowledge.biz resolves to a single IP: 210.157.79.157.

Other host names, for instance www.reibun.jp, www.office-hack.com, sv6816.wpx.ne.jp, seikotsuin-group.com and sea-suzu.com share IP numbers with fknowledge.biz.

Name Servers

fknowledge.biz delegates to three name servers: ns1.wpx.ne.jp, ns2.wpx.ne.jp and ns3.wpx.ne.jp.

fknowledge.biz shares some name servers with other domains, for example shuuchikai.com, ra-kumo.com, care-usuge.com, esthe-osusume.com and unit-dev.com.

Nine IP numbers: ns1.wpx.ne.jp ->157.112.145.65, 157.112.145.66, 157.112.145.67, 157.112.145.68, 157.112.145.69, 157.112.145.70, 157.112.145.145, 157.112.145.146 and 157.112.145.232.

Eight IP numbers: ns2.wpx.ne.jp ->120.136.10.149, 120.136.10.150, 120.136.10.243, 183.90.225.214, 183.90.225.215, 183.90.225.216, 183.90.225.217 and 183.90.225.218.

Seven IP numbers: ns3.wpx.ne.jp ->157.112.182.226, 157.112.182.227, 157.112.182.228, 157.112.182.229, 157.112.182.230, 157.112.182.254 and 202.226.37.244.

Mail Servers

One mail server handles fknowledge.biz.

Host name fknowledge.biz points to IP 210.157.79.157.