doukuu.co.jp - robtex.com

doukuu.co.jp

DNSSEC⚠️ Not signed
A49.212.180.210🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2770.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
NSmwns1.customer.ne.jp
A210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE
NSmwns2.customer.ne.jp
A202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE
NSns1.dns.ne.jp ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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
MXdoukuu.co.jp ⭐
A49.212.180.210🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2770.sakura.ne.jp
TXTv=spf1 a:www2770.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-04-06 #14

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Same first word

doukuu.co.jp

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpmwns1.customer.ne.jpmwns2.customer.ne.jpns1.dns.ne.jpns2.dns.ne.jpns-210.dns.jp-e1.cloudn-service.comns-211.dns.jp-w1.cloudn-service.comns-212.dns.us-e1.cloudn-service.comns1.secure.netns2.secure.netMXdoukuu.co.jpmwbgw1.ocn.ad.jpmwbgw2.ocn.ad.jpvcgw1.ocn.ad.jpvcgw2.ocn.ad.jpA49.212.180.21061.126.2.29
●NSmaster.dns.ne.jp2026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-07 05:40:52
● 2026-04-24 12:33:30
●NSmwns1.customer.ne.jp2026-04-07 → 2026-04-24 · 3 obs
○ 2017-11-19 02:40:52
● 2026-04-07 05:40:52
● 2026-04-24 12:33:30
●NSmwns2.customer.ne.jp2026-04-07 → 2026-04-24 · 3 obs
○ 2017-11-19 02:40:52
● 2026-04-07 05:40:52
● 2026-04-24 12:33:30
○NSns-210.dns.jp-e1.cloudn-service.com2016-01-16 → 2017-11-19 · 5 obs
○ 2015-11-01 23:48:50
● 2016-01-16 16:02:12
● 2017-11-19 02:40:52
○ 2026-04-07 05:40:52
○ 2026-04-24 12:33:30
○NSns-211.dns.jp-w1.cloudn-service.com2016-01-16 → 2017-11-19 · 5 obs
○ 2015-11-01 23:48:50
● 2016-01-16 16:02:12
● 2017-11-19 02:40:52
○ 2026-04-07 05:40:52
○ 2026-04-24 12:33:30
○NSns-212.dns.us-e1.cloudn-service.com2016-01-16 → 2017-11-19 · 5 obs
○ 2015-11-01 23:48:50
● 2016-01-16 16:02:12
● 2017-11-19 02:40:52
○ 2026-04-07 05:40:52
○ 2026-04-24 12:33:30
●NSns1.dns.ne.jp2026-04-07 → 2026-04-24 · 3 obs
○ 2017-11-19 02:40:52
● 2026-04-07 05:40:52
● 2026-04-24 12:33:30
○NSns1.secure.net2015-06-17 → 2015-11-01 · 4 obs
● 2015-06-17 20:36:32
● 2015-11-01 23:48:50
○ 2016-01-16 16:02:12
○ 2026-04-24 12:33:30
●NSns2.dns.ne.jp2026-04-07 → 2026-04-24 · 3 obs
○ 2017-11-19 02:40:52
● 2026-04-07 05:40:52
● 2026-04-24 12:33:30
○NSns2.secure.net2015-06-17 → 2015-11-01 · 4 obs
● 2015-06-17 20:36:32
● 2015-11-01 23:48:50
○ 2016-01-16 16:02:12
○ 2026-04-24 12:33:30
●MXdoukuu.co.jp2026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-07 05:40:52
● 2026-04-24 12:33:30
○MXmwbgw1.ocn.ad.jp2015-11-01 → 2026-04-07 · 4 obs
○ 2015-06-17 20:36:32
● 2015-11-01 23:48:50
● 2026-04-07 05:40:52
○ 2026-04-24 12:33:30
○MXmwbgw2.ocn.ad.jp2015-11-01 → 2026-04-07 · 4 obs
○ 2015-06-17 20:36:32
● 2015-11-01 23:48:50
● 2026-04-07 05:40:52
○ 2026-04-24 12:33:30
○MXvcgw1.ocn.ad.jp2015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 20:36:32
○ 2015-11-01 23:48:50
○ 2026-04-24 12:33:30
○MXvcgw2.ocn.ad.jp2015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 20:36:32
○ 2015-11-01 23:48:50
○ 2026-04-24 12:33:30
●A49.212.180.2102026-04-07 → 2026-04-24 · 3 obs
○ 2017-11-19 02:40:52
● 2026-04-07 05:40:52
● 2026-04-24 12:33:30
○A61.126.2.292015-06-17 → 2017-11-19 · 4 obs
● 2015-06-17 20:36:32
● 2017-11-19 02:40:52
○ 2026-04-07 05:40:52
○ 2026-04-24 12:33:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
doukuu.co.jpns1.dns.ne.jp, ns2.dns.ne.jp, mwns1.customer.ne.jp, mwns2.customer.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp, mwns1.customer.ne.jp, mwns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doukuu.co.jp (unsigned zone)

⏱️ Timing

Total: 1636ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.210
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX2mwbgw1.ocn.ad.jp (pri: 10), mwbgw2.ocn.ad.jp (pri: 10)
TXT1v=spf1 a:www2770.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

IP Addresses

doukuu.co.jp resolves to one IP number: 49.212.180.210.

other host names including apfel-a.com, www.sil-web.co.jp, khadono.com, iiha.biz and anic.jp share IP numbers with doukuu.co.jp.

Name Servers

doukuu.co.jp is delegated to five name servers: mwns1.customer.ne.jp, mwns2.customer.ne.jp, master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

doukuu.co.jp at least partially shares name servers with other domains, for instance cyberclone.sakura.ne.jp, dissolve-money.com, 63.28.122.in-addr.arpa, annzu.biz-web.jp and suima.jp.

Host names with one IP number:

mwns1.customer.ne.jp points to 210.150.23.210

mwns2.customer.ne.jp points to 202.17.152.183

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

doukuu.co.jp is served by a single mail server, doukuu.co.jp.

doukuu.co.jp resolves to IP 49.212.180.210.