ko-wa.com - robtex.com

ko-wa.com

DNSSEC⚠️ Not signed
A183.181.97.36🇯🇵 XSERVER-AS183.181.96.0/23 XSERVER Inc.
PTRsv7035.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
MXko-wa.com ⭐
A183.181.97.36🇯🇵 XSERVER-AS183.181.96.0/23 XSERVER Inc.
PTRsv7035.xserver.jp
TXTv=spf1 +a:sv7035.xserver.jp +a:ko-wa.com +mx include:spf.sender.xserver.jp in...
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=1774544182

MX for

ko-wa.com

Same first word

ko-wa.com

Similar names

oak-w.co.jp

DNS History

14 records (7 active, 7 former)

2008201020122014201620182020202220242026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns2.cpi.ad.jpns3.cpi.ad.jpMXko-wa.comg109.secure.ne.jpvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA183.181.97.36202.164.248.222
●NSns1.xserver.jp2026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
○NSns2.cpi.ad.jp2007-10-28 → 2017-11-24 · 4 obs
● 2007-10-28 01:51:00
● 2017-11-24 02:33:44
○ 2026-03-10 23:22:10
○ 2026-03-26 16:57:22
●NSns2.xserver.jp2026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
○NSns3.cpi.ad.jp2007-10-28 → 2017-11-24 · 4 obs
● 2007-10-28 01:51:00
● 2017-11-24 02:33:44
○ 2026-03-10 23:22:10
○ 2026-03-26 16:57:22
●NSns3.xserver.jp2026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
●NSns4.xserver.jp2026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
●NSns5.xserver.jp2026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
○MXg109.secure.ne.jp2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 01:51:00
○ 2015-08-01 23:33:24
○ 2026-03-26 16:57:22
●MXko-wa.com2026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
○MXvlmx20.secure.ne.jp2015-08-01 → 2017-11-24 · 5 obs
○ 2007-10-28 01:51:00
● 2015-08-01 23:33:24
● 2017-11-24 02:33:44
○ 2026-03-10 23:22:10
○ 2026-03-26 16:57:22
○MXvlmx21.secure.ne.jp2015-08-01 → 2017-11-24 · 5 obs
○ 2007-10-28 01:51:00
● 2015-08-01 23:33:24
● 2017-11-24 02:33:44
○ 2026-03-10 23:22:10
○ 2026-03-26 16:57:22
○MXvlmx22.secure.ne.jp2015-08-01 → 2017-11-24 · 5 obs
○ 2007-10-28 01:51:00
● 2015-08-01 23:33:24
● 2017-11-24 02:33:44
○ 2026-03-10 23:22:10
○ 2026-03-26 16:57:22
●A183.181.97.362026-03-10 → 2026-03-26 · 3 obs
○ 2017-11-24 02:33:44
● 2026-03-10 23:22:10
● 2026-03-26 16:57:22
○A202.164.248.2222007-10-28 → 2017-11-24 · 4 obs
● 2007-10-28 01:51:00
● 2017-11-24 02:33:44
○ 2026-03-10 23:22:10
○ 2026-03-26 16:57:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ko-wa.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.164

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 ko-wa.com (unsigned zone)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.97.36
NS5ns1.xserver.jp, ns4.xserver.jp...
MX1ko-wa.com (pri: 0)
TXT1v=spf1 +a:sv7035.xserver.jp +a:ko-wa.com
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

ko-wa.com serves as the mail server for ko-wa.com.

IP Addresses

ko-wa.com points to IP number: 183.181.97.36.

Other host names such as www.kitamura-miyuki.com, placentaya.com, kitamura-miyuki.com, revif.co.jp and econte.net share IPs with ko-wa.com.

Name Servers

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

ko-wa.com at least partially shares name servers with other domains, for instance leaders-agency.com, rental-fashion-diary.com, anets-t.co.jp, yklions.com and funin.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

ko-wa.com is handled by a single mail server, ko-wa.com.

ko-wa.com points to a single IP: 183.181.97.36.