koike-jk.com - robtex.com

koike-jk.com

DNSSEC⚠️ Not signed
A133.167.8.23🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRwww5113.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXkoike-jk.com ⭐
A133.167.8.23🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRwww5113.sakura.ne.jp
TXTv=spf1 a:www5113.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2022-07-13 #9

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=1778572136

MX for

koike-jk.com

Same first word

koike-jk.com

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.koike-jk.comns1.maihama-net.comns2.maihama-net.comMXkoike-jk.comA133.167.8.23203.141.133.92219.117.243.56
●NSmaster.dns.ne.jp2026-05-12 → 2026-05-12 · 2 obs
○ 2020-02-08 04:31:04
● 2026-05-12 08:02:08
●NSns1.dns.ne.jp2026-05-12 → 2026-05-12 · 2 obs
○ 2020-02-08 04:31:04
● 2026-05-12 08:02:08
○NSns1.koike-jk.com2015-07-20 → 2020-02-08 · 3 obs
● 2015-07-20 22:58:38
● 2020-02-08 04:31:04
○ 2026-05-12 08:02:08
○NSns1.maihama-net.com2015-07-20 → 2017-01-24 · 4 obs
● 2015-07-20 22:58:38
● 2017-01-24 00:03:26
○ 2020-02-08 04:31:04
○ 2026-05-12 08:02:08
●NSns2.dns.ne.jp2026-05-12 → 2026-05-12 · 2 obs
○ 2020-02-08 04:31:04
● 2026-05-12 08:02:08
○NSns2.maihama-net.com2015-07-20 → 2017-01-24 · 4 obs
● 2015-07-20 22:58:38
● 2017-01-24 00:03:26
○ 2020-02-08 04:31:04
○ 2026-05-12 08:02:08
●MXkoike-jk.com2015-07-20 → 2026-05-12 · 2 obs
● 2015-07-20 22:58:38
● 2026-05-12 08:02:08
●A133.167.8.232026-05-12 → 2026-05-12 · 2 obs
○ 2020-02-08 04:31:04
● 2026-05-12 08:02:08
○A203.141.133.922020-02-08 → 2020-02-08 · 3 obs
○ 2017-01-24 00:03:26
● 2020-02-08 04:31:04
○ 2026-05-12 08:02:08
○A219.117.243.562015-07-20 → 2017-01-24 · 4 obs
● 2015-07-20 22:58:38
● 2017-01-24 00:03:26
○ 2020-02-08 04:31:04
○ 2026-05-12 08:02:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...-
koike-jk.comns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koike-jk.com (unsigned zone)

⏱️ Timing

Total: 615ms | Queries: -

📄 Records

TypeCountSample Data
A1133.167.8.23
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1koike-jk.com (pri: 10)
TXT1v=spf1 a:www5113.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

koike-jk.com is the mail server for koike-jk.com.

IP Addresses

koike-jk.com resolves to a single IP: 133.167.8.23.

Other host names, for instance kichibee.com, www5113.sakura.ne.jp, ontake-golf.com, oyaman.net and aaakikaisekkei.co.jp share IP numbers with koike-jk.com.

Name Servers

koike-jk.com delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

koike-jk.com shares some name servers with other domains, for example seishin-ks.com, kanbe.biz, cokodenq.com, arbol-flamenco.sakura.ne.jp and 249.94.219.in-addr.arpa.

These name servers are commonly used with the name servers dns.sakura.ad.jp.

Host names with a single IP: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

One mail server handles koike-jk.com.

Host name koike-jk.com points to IP 133.167.8.23.