koln-b.com - robtex.com

koln-b.com

DNSSEC⚠️ Not signed
A103.241.128.247🇯🇵 IDC103.241.128.0/22 RIDE Co.,Ltd.
PTRbs073-117.domainserver.ne.jp
NSns04.domainserver.ne.jp ⭐
A52.198.169.240🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix
PTRec2-52-198-169-240.ap-northeast-1.compute.amazonaws.com
NSns03.domainserver.ne.jp
A103.241.128.14🇯🇵 IDC103.241.128.0/22 RIDE Co.,Ltd.
PTRns03.domainserver.ne.jp
MXmxjp1.nospamcloud.com ⭐
A27.112.109.252🇯🇵 TSUKAERUNET27.112.104.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery2.nospamcloud.com
A27.112.111.177🇯🇵 TSUKAERUNET27.112.104.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery3.nospamcloud.com
A111.68.23.114🇯🇵 TSUKAERUNET111.68.16.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery8.nospamcloud.com
A111.68.23.116🇯🇵 TSUKAERUNET111.68.16.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery9.nospamcloud.com
A111.68.23.126🇯🇵 TSUKAERUNET111.68.16.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery10.nospamcloud.com
A175.45.142.100🇯🇵 TSUKAERUNET175.45.136.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery7.nospamcloud.com
MXmxjp2.nospamcloud.com(20)
A175.45.136.46🇯🇵 TSUKAERUNET175.45.136.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
TXTv=spf1 +a +mx +ip4:103.241.128.0/22 include:_spf.hosting-srv.net +a:mxjp1.nos...
SOAns04.domainserver.ne.jprs\@kanri.radix.ad.jp 2025-07-02 #1

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=1776684357

Previously MX for

koln-b.com

Same first word

koln-b.com

Similar names

b-knol.nl

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns03.domainserver.ne.jpns04.domainserver.ne.jpmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXmxjp1.nospamcloud.commxjp2.nospamcloud.comkoln-b.comA103.241.128.247210.224.185.81
○NSmaster.dns.ne.jp2015-07-12 → 2017-01-17 · 4 obs
● 2015-07-12 23:40:34
● 2017-01-17 00:53:02
○ 2026-02-19 01:58:14
○ 2026-04-20 11:43:22
●NSns03.domainserver.ne.jp2026-02-19 → 2026-04-20 · 3 obs
○ 2017-01-17 00:53:02
● 2026-02-19 01:58:14
● 2026-04-20 11:43:22
●NSns04.domainserver.ne.jp2026-02-19 → 2026-04-20 · 3 obs
○ 2017-01-17 00:53:02
● 2026-02-19 01:58:14
● 2026-04-20 11:43:22
○NSns1.dns.ne.jp2015-07-12 → 2017-01-17 · 4 obs
● 2015-07-12 23:40:34
● 2017-01-17 00:53:02
○ 2026-02-19 01:58:14
○ 2026-04-20 11:43:22
○NSns2.dns.ne.jp2015-07-12 → 2017-01-17 · 4 obs
● 2015-07-12 23:40:34
● 2017-01-17 00:53:02
○ 2026-02-19 01:58:14
○ 2026-04-20 11:43:22
○MXkoln-b.com2015-07-12 → 2017-01-17 · 4 obs
● 2015-07-12 23:40:34
● 2017-01-17 00:53:02
○ 2026-02-19 01:58:14
○ 2026-04-20 11:43:22
●MXmxjp1.nospamcloud.com2026-02-19 → 2026-04-20 · 3 obs
○ 2017-01-17 00:53:02
● 2026-02-19 01:58:14
● 2026-04-20 11:43:22
●MXmxjp2.nospamcloud.com2026-02-19 → 2026-04-20 · 3 obs
○ 2017-01-17 00:53:02
● 2026-02-19 01:58:14
● 2026-04-20 11:43:22
●A103.241.128.2472026-02-19 → 2026-04-20 · 3 obs
○ 2017-01-17 00:53:02
● 2026-02-19 01:58:14
● 2026-04-20 11:43:22
○A210.224.185.812015-07-12 → 2017-01-17 · 4 obs
● 2015-07-12 23:40:34
● 2017-01-17 00:53:02
○ 2026-02-19 01:58:14
○ 2026-04-20 11:43:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...-
koln-b.comns03.domainserver.ne.jp, ns04.domainserver.ne.jp-

✅ Authoritative Response

Server:52.198.169.240

NS records: ns03.domainserver.ne.jp, ns04.domainserver.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koln-b.com (unsigned zone)

⏱️ Timing

Total: 985ms | Queries: -

📄 Records

TypeCountSample Data
A1103.241.128.247
NS2ns04.domainserver.ne.jp, ns03.domainserver.ne.jp
MX2mxjp2.nospamcloud.com (pri: 20), mxjp1.nospamcloud.com (pri: 10)
TXT1v=spf1 +a +mx +ip4:103.241.128.0/22 incl
SOA1ns04.domainserver.ne.jp rs\.kanri.radix.

Analysis

IP Addresses

koln-b.com resolves to a single IP address: 103.241.128.247.

Other host names including heiwa-youki.co.jp, kantarou.net, share1.net, www.heiwa-youki.co.jp and sfe.co.jp share IP numbers with koln-b.com.

Name Servers

koln-b.com's delegation uses two name servers, ns03.domainserver.ne.jp and ns04.domainserver.ne.jp.

koln-b.com shares the same name server setup as other domains, for example nishioka-studio.co.jp, hanakawa-yakiniku.com, chita-saijyo.com, tokyoishikawa.com and alpha-t.jp.

Host names with a single IP:

ns03.domainserver.ne.jp points to 103.241.128.14.

ns04.domainserver.ne.jp points to 52.198.169.240.

Mail Servers

koln-b.com is handled by two mail servers: mxjp1.nospamcloud.com and mxjp2.nospamcloud.com.

koln-b.com shares its mail server setup with other domains, including cim-cim.com, t-cs.com, shinohara-engeki.jp, lacyribbon.com and t-k-c.net.

The mail servers for koln-b.com are shared with other domains, for instance suigi.co.jp, 0c7.co.jp, beauty-pollen.com, sumai-teijin.co.jp and se-life.com.

Host names with six IPs:

mxjp1.nospamcloud.com points to: 27.112.109.252, 27.112.111.177, 111.68.23.114, 111.68.23.116, 111.68.23.126 and 175.45.142.100

Host names with one IP:

mxjp2.nospamcloud.com points to: 175.45.136.46