koshikyo.com - robtex.com

koshikyo.com

DNSSEC⚠️ Not signed
A2001:e42:101:7:59:106:19:151🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN
PTRwww701.sakura.ne.jp
A59.106.19.151🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
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
MXkoshikyo.com ⭐
A2001:e42:101:7:59:106:19:151🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN
PTRwww701.sakura.ne.jp
A59.106.19.151🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww701.sakura.ne.jp
TXTv=spf1 a:www701.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-12-12 #3

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=1774638747

MX for

koshikyo.com

Same first word

koshikyo.com

DNS History

6 records (6 active, 0 former)

2020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXkoshikyo.comA2001:e42:101:7:59:106:19:15159.106.19.151
●NSmaster.dns.ne.jp2019-12-16 → 2026-03-27 · 2 obs
● 2019-12-16 10:33:42
● 2026-03-27 19:40:44
●NSns1.dns.ne.jp2019-12-16 → 2026-03-27 · 2 obs
● 2019-12-16 10:33:42
● 2026-03-27 19:40:44
●NSns2.dns.ne.jp2019-12-16 → 2026-03-27 · 2 obs
● 2019-12-16 10:33:42
● 2026-03-27 19:40:44
●MXkoshikyo.com2019-12-16 → 2026-03-27 · 2 obs
● 2019-12-16 10:33:42
● 2026-03-27 19:40:44
●A2001:e42:101:7:59:106:19:1512026-03-08 → 2026-03-27 · 3 obs
○ 2019-12-16 10:33:42
● 2026-03-08 02:21:16
● 2026-03-27 19:40:44
●A59.106.19.1512019-12-16 → 2026-03-27 · 2 obs
● 2019-12-16 10:33:42
● 2026-03-27 19:40:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
koshikyo.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 koshikyo.com (unsigned zone)

⏱️ Timing

Total: 961ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.19.151
AAAA12001:e42:101:7:59:106:19:151
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1koshikyo.com (pri: 10)
TXT1v=spf1 a:www701.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

The mail server for koshikyo.com is koshikyo.com.

IP Addresses

koshikyo.com points to two IP numbers: 2001:e42:101:7:59:106:19:151 and 59.106.19.151.

Other host names such as togashi.tv, princess-room.sakura.ne.jp, csol-blog.com, nodate.net and vin-tage.net share IPs with koshikyo.com.

Name Servers

koshikyo.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

koshikyo.com at least partially shares name servers with other domains, for example 5.5.1.0.6.2.1.0.3.5.1.0.3.1.0.3.2.0.1.0.0.0.5.2.1.0.4.2.ip6.arpa, mikaha.com, fujitakougyou.jp, josephine-fur.jp and histeq.jp.

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

Host names with a single IP address:

master.dns.ne.jp resolves to 210.224.172.18.

ns1.dns.ne.jp resolves to 61.211.236.1.

ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

One mail server handles koshikyo.com; that server is koshikyo.com.

koshikyo.com points to two IP numbers: 2001:e42:101:7:59:106:19:151 and 59.106.19.151.