f-jk.com - robtex.com

f-jk.com

DNSSEC⚠️ Not signed
A183.90.237.74🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv7233.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-164.defastlink.net
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRip-202-226-36-170.defastlink.net
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.
PTRip-183-90-224-226.defastlink.net
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRip-183-90-224-230.defastlink.net
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.
PTRip-157-112-182-218.defastlink.net
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRip-157-112-182-220.defastlink.net
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXf-jk.com ⭐
A183.90.237.74🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv7233.xserver.jp
TXTv=spf1 +a:sv7233.xserver.jp +a:f-jk.com +mx include:spf.sender.xserver.jp inc...
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=1771291435

MX for

f-jk.com

Subdomains

ns2.f-jk.com

Same first word

f-jk.de
f-jk.com

Similar names

jf-k.com
kj-f.org
jf-k.eu
j-fk.de
fj-k.co.jp
j-fk.co.jp
fk-j.co.jp
f-kj.com
kf-j.dk
k-jf.com
jf-k.de
fj-k.com
jf-k.net
jk-f.de

DNS History

13 records (7 active, 6 former)

200920112013201520172019202120232025NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns01.yahoodomains.jpns02.yahoodomains.jpns1.bluazn.orgns2.bluazn.orgMXf-jk.commailt.do-reg.jpA183.90.237.7474.86.136.206
○NSns01.yahoodomains.jp2015-04-28 → 2015-04-28 · 4 obs
○ 2008-03-12 21:32:32
● 2015-04-28 16:21:42
○ 2015-10-08 02:13:06
○ 2026-03-23 05:37:34
○NSns02.yahoodomains.jp2015-04-28 → 2015-04-28 · 4 obs
○ 2008-03-12 21:32:32
● 2015-04-28 16:21:42
○ 2015-10-08 02:13:06
○ 2026-03-23 05:37:34
○NSns1.bluazn.org2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 21:32:32
○ 2015-04-28 16:21:42
○ 2026-03-23 05:37:34
●NSns1.xserver.jp2026-02-21 → 2026-03-23 · 3 obs
○ 2015-10-08 02:13:06
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
○NSns2.bluazn.org2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 21:32:32
○ 2015-04-28 16:21:42
○ 2026-03-23 05:37:34
●NSns2.xserver.jp2026-02-21 → 2026-03-23 · 3 obs
○ 2015-10-08 02:13:06
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
●NSns3.xserver.jp2026-02-21 → 2026-03-23 · 3 obs
○ 2015-10-08 02:13:06
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
●NSns4.xserver.jp2026-02-21 → 2026-03-23 · 3 obs
○ 2015-10-08 02:13:06
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
●NSns5.xserver.jp2026-02-21 → 2026-03-23 · 3 obs
○ 2015-10-08 02:13:06
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
●MXf-jk.com2008-03-12 → 2026-03-23 · 5 obs
● 2008-03-12 21:32:32
○ 2015-04-28 16:21:42
○ 2018-09-15 12:07:02
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
○MXmailt.do-reg.jp2015-04-28 → 2015-04-28 · 4 obs
○ 2008-03-12 21:32:32
● 2015-04-28 16:21:42
○ 2015-10-08 02:13:06
○ 2026-03-23 05:37:34
●A183.90.237.742026-02-21 → 2026-03-23 · 3 obs
○ 2015-04-28 16:21:42
● 2026-02-21 09:36:58
● 2026-03-23 05:37:34
○A74.86.136.2062008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 21:32:32
○ 2015-04-28 16:21:42
○ 2026-03-23 05:37:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...-
f-jk.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.246

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 f-jk.com (unsigned zone)

⏱️ Timing

Total: 1083ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.237.74
NS5ns4.xserver.jp, ns3.xserver.jp...
MX1f-jk.com (pri: 0)
TXT1v=spf1 +a:sv7233.xserver.jp +a:f-jk.com
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

f-jk.com is a parent of ns2.f-jk.com.

Mail Server Role

f-jk.com serves as the mail server for f-jk.com.

IP Addresses

f-jk.com points to a single IP address: 183.90.237.74.

Other host names such as ayagreentea.com, retty.site, www.3suv.com, 3suv.com and yamaken1220.com share IP numbers with f-jk.com.

Name Servers

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

At least part of the name servers for f-jk.com are shared with other domains, for instance yamaichikengyo.co.jp, zo3.net, hanzoya-bread.jp, petit-cocon.com and i-and-i.co.jp.

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

Mail for f-jk.com is handled by a single mail server, f-jk.com.

Host f-jk.com points to IP 183.90.237.74.