ftp.ko-so.com - robtex.com

ftp.ko-so.com

CNAMEko-so.com
DNSSEC⚠️ Not signed
A49.212.207.38🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3028.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
MXko-so.com ⭐
A49.212.207.38🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3028.sakura.ne.jp
TXTv=spf1 a:www3028.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2014-05-30 #14

ko-so.com

DNSSEC⚠️ Not signed
A49.212.207.38🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXko-so.com ⭐
TXTv=spf1 a:www3028.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2014-05-30 #14

Same first word

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DNS History

1 record (1 active, 0 former)

CNAMEko-so.com
●CNAMEko-so.com2026-04-25 → 2026-04-25 · 2 obs
● 2026-04-25 18:52:48
● 2026-04-25 18:52:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...-
ko-so.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 ko-so.com (unsigned zone)

⏱️ Timing

Total: 1731ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1ko-so.com

Analysis

IP Addresses

ftp.ko-so.com resolves to one IP number: 49.212.207.38.

other host names including autumnal-darjee.net, llab.jp, bookfield.jp, zieben.co.jp and marionette.jp share IP numbers with ftp.ko-so.com.

Name Servers

ftp.ko-so.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

ftp.ko-so.com at least partially shares name servers with other domains, for instance komei-f.sakura.ne.jp, bskuma.com, ginsee.sakura.ne.jp, m-9.jp and strans.sakura.ne.jp.

these name servers are commonly used alongside dns.sakura.ad.jp.

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

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

ftp.ko-so.com shares the same mail server setup as other domains, for instance ko-so.com.

ko-so.com resolves to IP 49.212.207.38.