kosetsu.com - dns.ninja

kosetsu.com

DNSSEC⚠️ Not signed
A59.106.19.53🇯🇵 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
PTRwww623.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
MXkosetsu.com ⭐
A59.106.19.53🇯🇵 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
PTRwww623.sakura.ne.jp
TXTv=spf1 a:www623.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2014-04-04 #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=1780742751
WOT: SAFE (86/100)

MX for

kosetsu.com

Same first word

kosetsu.co.jp
kosetsu.jp
kosetsu.net
kosetsu.com

Similar names

setsuko.com
tessoku.net
skesuto.lat
setsuko.jp
kossetu.com
setsuko.ca

DNS History

10 records (5 active, 5 former)

2008201020122014201620182020202220242026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns.nameservers.netns14a.nameservers.netns14b.nameservers.netMXkosetsu.commail-fwd.g14.rapidsite.netA59.106.19.53199.236.82.248
●NSmaster.dns.ne.jp2015-07-18 → 2026-06-06 · 3 obs
○ 2007-08-15 08:48:00
● 2015-07-18 21:36:52
● 2026-06-06 10:53:12
○NSns.nameservers.net2007-08-15 → 2007-08-15 · 3 obs
● 2007-08-15 08:48:00
○ 2015-07-18 21:36:52
○ 2026-06-06 10:53:12
●NSns1.dns.ne.jp2015-07-18 → 2026-06-06 · 3 obs
○ 2007-08-15 08:48:00
● 2015-07-18 21:36:52
● 2026-06-06 10:53:12
○NSns14a.nameservers.net2007-08-15 → 2007-08-15 · 3 obs
● 2007-08-15 08:48:00
○ 2015-07-18 21:36:52
○ 2026-06-06 10:53:12
○NSns14b.nameservers.net2007-08-15 → 2007-08-15 · 3 obs
● 2007-08-15 08:48:00
○ 2015-07-18 21:36:52
○ 2026-06-06 10:53:12
●NSns2.dns.ne.jp2015-07-18 → 2026-06-06 · 3 obs
○ 2007-08-15 08:48:00
● 2015-07-18 21:36:52
● 2026-06-06 10:53:12
●MXkosetsu.com2015-07-18 → 2026-06-06 · 3 obs
○ 2007-08-15 08:48:00
● 2015-07-18 21:36:52
● 2026-06-06 10:53:12
○MXmail-fwd.g14.rapidsite.net2007-08-15 → 2007-08-15 · 3 obs
● 2007-08-15 08:48:00
○ 2015-07-18 21:36:52
○ 2026-06-06 10:53:12
○A199.236.82.2482007-08-15 → 2007-08-15 · 3 obs
● 2007-08-15 08:48:00
○ 2015-07-18 21:36:52
○ 2026-06-06 10:53:12
●A59.106.19.532015-07-18 → 2026-06-06 · 3 obs
○ 2007-08-15 08:48:00
● 2015-07-18 21:36:52
● 2026-06-06 10:53:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...-
kosetsu.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 kosetsu.com (unsigned zone)

⏱️ Timing

Total: 1046ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.19.53
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1kosetsu.com (pri: 10)
TXT1v=spf1 a:www623.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

kosetsu.com handles its own mail, functioning as its own mail server.

IP Addresses

kosetsu.com resolves to just one IP address, 59.106.19.53.

Two other host names, along with moel.biz, ishiirikie.sakura.ne.jp and cafewedding.jp, also share IP numbers with kosetsu.com.

Name Servers

kosetsu.com is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

kosetsu.com has at least partial name server overlap with other domains, such as dynaox.net, daiko-service.net, marbleart.sakura.ne.jp and two others.

It is common to find these name servers paired with the name servers dns.sakura.ad.jp.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.

Mail Servers

kosetsu.com is served by just one mail server: kosetsu.com.

kosetsu.com resolves to 59.106.19.53 and no other IP number.