kosai0028.com - robtex.com

kosai0028.com

DNSSEC⚠️ Not signed
A49.212.207.89🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3079.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
MXkosai0028.com ⭐
A49.212.207.89🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3079.sakura.ne.jp
TXTv=spf1 a:www3079.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-12-25 #15

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=1775975732

MX for

kosai0028.com

Same first word

kosai0028.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns2.cpi.ad.jpns3.cpi.ad.jpMXkosai0028.comvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA49.212.207.89202.164.242.134
●NSmaster.dns.ne.jp2026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-04 04:28:16
● 2026-04-04 23:48:44
● 2026-04-12 06:42:12
●NSns1.dns.ne.jp2026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-04 04:28:16
● 2026-04-04 23:48:44
● 2026-04-12 06:42:12
○NSns2.cpi.ad.jp2015-06-04 → 2018-06-04 · 4 obs
● 2015-06-04 21:53:42
● 2018-06-04 04:28:16
○ 2026-04-04 23:48:44
○ 2026-04-12 06:42:12
●NSns2.dns.ne.jp2026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-04 04:28:16
● 2026-04-04 23:48:44
● 2026-04-12 06:42:12
○NSns3.cpi.ad.jp2015-06-04 → 2018-06-04 · 4 obs
● 2015-06-04 21:53:42
● 2018-06-04 04:28:16
○ 2026-04-04 23:48:44
○ 2026-04-12 06:42:12
●MXkosai0028.com2026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-04 04:28:16
● 2026-04-04 23:48:44
● 2026-04-12 06:42:12
○MXvlmx20.secure.ne.jp2015-06-04 → 2018-06-04 · 4 obs
● 2015-06-04 21:53:42
● 2018-06-04 04:28:16
○ 2026-04-04 23:48:44
○ 2026-04-12 06:42:12
○MXvlmx21.secure.ne.jp2015-06-04 → 2018-06-04 · 4 obs
● 2015-06-04 21:53:42
● 2018-06-04 04:28:16
○ 2026-04-04 23:48:44
○ 2026-04-12 06:42:12
○MXvlmx22.secure.ne.jp2015-06-04 → 2018-06-04 · 4 obs
● 2015-06-04 21:53:42
● 2018-06-04 04:28:16
○ 2026-04-04 23:48:44
○ 2026-04-12 06:42:12
○A202.164.242.1342015-06-04 → 2018-06-04 · 4 obs
● 2015-06-04 21:53:42
● 2018-06-04 04:28:16
○ 2026-04-04 23:48:44
○ 2026-04-12 06:42:12
●A49.212.207.892026-04-04 → 2026-04-12 · 3 obs
○ 2018-06-04 04:28:16
● 2026-04-04 23:48:44
● 2026-04-12 06:42:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...-
kosai0028.comns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosai0028.com (unsigned zone)

⏱️ Timing

Total: 1011ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.89
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1kosai0028.com (pri: 10)
TXT1v=spf1 a:www3079.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

kosai0028.com serves as the mail server for kosai0028.com.

IP Addresses

kosai0028.com points to a single IP number: 49.212.207.89.

Other host names, for instance cytn.com, s-seinen.com, atelier-i.jp, oplab.jp and moisk.jp share IP numbers with kosai0028.com.

Name Servers

The delegation for kosai0028.com is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

kosai0028.com at least partially shares name servers with other domains, for instance takuan-soba.com, sep1996.co.jp, kyoeilab.jp, takeru-net.sakura.ne.jp and onixkyoto-m.com.

Host names with one IP number:

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

A single mail server handles kosai0028.com.

kosai0028.com points to a single IP: 49.212.207.89.