koiyama.com - robtex.com

koiyama.com

DNSSEC⚠️ Not signed
A183.90.242.18🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2117.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
MXkoiyama.com ⭐
A183.90.242.18🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2117.xserver.jp
TXTv=spf1 +a:sv2117.xserver.jp +a:koiyama.com +mx include:spf.sender.xserver.jp ...
SOAns1.xserver.jproot@sv0.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
WOT: SAFE (61/100)

MX for

koiyama.com

Subdomains

www.koiyama.com

Same first word

koiyama.com

Similar names

okiyama.jp
yamaiko.com
maikoya.com
iamokay.de
iamokay.net
ikomaya.com
okamiya.sakura.ne.jp
okayiam.com
miyaoka.net
imaokay.com
kaimayo.com
okiyama.info
imakoya.com
okaymai.com
yaokami.jp
miyaoka.com
ikomaya.jp
iamokay.com
iamkayo.com
okiyama.com
okiyama.co.jp
yamaoki.net
iamokay.in
iamokay.nl
okamiya.com
okamiya.jp

DNS History

15 records (7 active, 8 former)

200920112013201520172019202120232025NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns.koiyama.comns04.xbit.jpskyhawk.asahi-net.or.jptomcat.asahi-net.or.jpMXkoiyama.commail.koiyama.comvdmx1.asahi-net.or.jpvdmx2.asahi-net.or.jpA183.90.242.1859.106.61.108
○NSns.koiyama.com2015-05-30 → 2016-09-14 · 5 obs
○ 2008-03-20 10:33:32
● 2015-05-30 10:45:56
● 2016-09-14 19:25:56
○ 2017-08-06 18:20:00
○ 2026-03-23 19:50:42
○NSns04.xbit.jp2015-05-30 → 2016-09-14 · 5 obs
○ 2008-03-20 10:33:32
● 2015-05-30 10:45:56
● 2016-09-14 19:25:56
○ 2017-08-06 18:20:00
○ 2026-03-23 19:50:42
●NSns1.xserver.jp2017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
●NSns2.xserver.jp2017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
●NSns3.xserver.jp2017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
●NSns4.xserver.jp2017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
●NSns5.xserver.jp2017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
○NSskyhawk.asahi-net.or.jp2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 10:33:32
○ 2015-05-30 10:45:56
○ 2026-03-23 19:50:42
○NStomcat.asahi-net.or.jp2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 10:33:32
○ 2015-05-30 10:45:56
○ 2026-03-23 19:50:42
●MXkoiyama.com2017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
○MXmail.koiyama.com2015-05-30 → 2016-09-14 · 5 obs
○ 2008-03-20 10:33:32
● 2015-05-30 10:45:56
● 2016-09-14 19:25:56
○ 2017-08-06 18:20:00
○ 2026-03-23 19:50:42
○MXvdmx1.asahi-net.or.jp2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 10:33:32
○ 2015-05-30 10:45:56
○ 2026-03-23 19:50:42
○MXvdmx2.asahi-net.or.jp2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 10:33:32
○ 2015-05-30 10:45:56
○ 2026-03-23 19:50:42
●A183.90.242.182017-08-06 → 2026-03-23 · 3 obs
○ 2016-09-14 19:25:56
● 2017-08-06 18:20:00
● 2026-03-23 19:50:42
○A59.106.61.1082015-05-30 → 2016-09-14 · 5 obs
○ 2008-03-20 10:33:32
● 2015-05-30 10:45:56
● 2016-09-14 19:25:56
○ 2017-08-06 18:20:00
○ 2026-03-23 19:50:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:183.90.224.230

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 koiyama.com (unsigned zone)

⏱️ Timing

Total: 1049ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.242.18
NS5ns2.xserver.jp, ns3.xserver.jp...
MX1koiyama.com (pri: 0)
TXT1v=spf1 +a:sv2117.xserver.jp +a:koiyama.c
SOA1ns1.xserver.jp root.sv0.xserver.jp

Analysis

Hierarchy

koiyama.com is the parent of www.koiyama.com.

Mail Server Role

For koiyama.com, the mail server is koiyama.com.

IP Addresses

koiyama.com resolves to one IP number: 183.90.242.18.

other host names including cosmo-net.co.jp, hula.jp, moc-o.com, asahien.com and salomon.co.jp share IP numbers with koiyama.com.

Name Servers

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

koiyama.com at least partially shares name servers with other domains, for instance yuoh.info, ge3ys.com, ningyo-movie.jp, ikemen-life.com and kuronekoshop.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

koiyama.com is served by a single mail server, koiyama.com.

koiyama.com resolves to IP 183.90.242.18.