yckk.jp - robtex.com

yckk.jp

DNSSEC⚠️ Not signed
A219.94.128.28🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww818.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
MXyckk.jp ⭐
A219.94.128.28🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww818.sakura.ne.jp
TXTv=spf1 a:www818.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-03-12 #1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1785261603

MX for

yckk.jp

Same first word

yckk.com
yckk.cn
yckk.jp

Similar names

kyck.com
ykck.com
kkyc.cn
kyck.sg
kkyc.co.jp
ckky.com
kyck.de
kykc.net
kcyk.com
kykc.com.cn
cykk.cn
kykc.com
ykck.net
kkcy.com
kcky.net
kyck.org
kyck.net
kyck.cn
ckyk.cn
kyck.org.au
ykck.or.id
ykkc.org
kcky.cn
kyck.at
kkyc.ca
kcky.com
ckky.info
ckyk.com
cykk.net
ckky.net
kkcy.net

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXyckk.jpA219.94.128.28
●NSmaster.dns.ne.jp2015-08-01 → 2026-07-28 · 2 obs
● 2015-08-01 00:08:22
● 2026-07-28 19:11:02
●NSns1.dns.ne.jp2015-08-01 → 2026-07-28 · 2 obs
● 2015-08-01 00:08:22
● 2026-07-28 19:11:02
●NSns2.dns.ne.jp2015-08-01 → 2026-07-28 · 2 obs
● 2015-08-01 00:08:22
● 2026-07-28 19:11:02
●MXyckk.jp2015-08-01 → 2026-07-28 · 2 obs
● 2015-08-01 00:08:22
● 2026-07-28 19:11:02
●A219.94.128.282015-08-01 → 2026-07-28 · 2 obs
● 2015-08-01 00:08:22
● 2026-07-28 19:11:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, c.dns.jp, f.dns.jp, e.dns.jp...-
yckk.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ 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 yckk.jp (unsigned zone)

⏱️ Timing

Total: 404ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.128.28
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1yckk.jp (pri: 10)
TXT1v=spf1 a:www818.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

yckk.jp handles its own mail, functioning as its own mail server.

IP Addresses

yckk.jp resolves to just one IP address, 219.94.128.28.

Two other host names, along with custamtec.com, 18.rp-sample.com and msyk.sakura.ne.jp, also share IP numbers with yckk.jp.

Name Servers

DNS for yckk.jp is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least some of yckk.jp's name servers are shared with other domains, for example josoulab.co.jp, nsk.or.jp, crier-web.jp and two more.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.

Mail Servers

yckk.jp is served by just one mail server: yckk.jp.

yckk.jp has exactly one IP number: 219.94.128.28.