youca.co - robtex.com

youca.co

DNSSEC⚠️ Not signed
A59.106.13.160🇯🇵 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
PTRwww510.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
MXyouca.co ⭐
A59.106.13.160🇯🇵 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
PTRwww510.sakura.ne.jp
TXTv=spf1 a:www510.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2014-03-25 #15

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759609616

MX for

youca.co

Subdomains

ftp.youca.co

Same first word

youca.ch
youca.nl
youca.com
youca.de
youca.ru
youca.st
youca.at
youca.be
youca.tv
youca.co

Similar names

yuaco.com
yauco.com.my
cuyao.com
acyou.com
cayou.eu
yaouc.com
yacou.com
yacou.net
caoyu.com
acuyo.mx

DNS History

5 records (5 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXyouca.coA59.106.13.160
●NSmaster.dns.ne.jp2026-03-06 → 2026-03-17 · 2 obs
● 2026-03-06 04:07:02
● 2026-03-17 23:46:30
●NSns1.dns.ne.jp2026-03-06 → 2026-03-17 · 2 obs
● 2026-03-06 04:07:02
● 2026-03-17 23:46:30
●NSns2.dns.ne.jp2026-03-06 → 2026-03-17 · 2 obs
● 2026-03-06 04:07:02
● 2026-03-17 23:46:30
●MXyouca.co2026-03-06 → 2026-03-17 · 2 obs
● 2026-03-06 04:07:02
● 2026-03-17 23:46:30
●A59.106.13.1602026-03-06 → 2026-03-17 · 2 obs
● 2026-03-06 04:07:02
● 2026-03-17 23:46:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cod.registrydns.co, c.registrydns.co, a.registrydns.co, b.registrydns.co-
youca.cons1.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 youca.co (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.13.160
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1youca.co (pri: 10)
TXT1v=spf1 a:www510.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Hierarchy

youca.co is a parent of ftp.youca.co.

Mail Server Role

youca.co serves as the mail server for youca.co.

IP Addresses

youca.co points to a single IP number: 59.106.13.160.

Other host names, for instance son-e.com, cog.pw, onmitsu.net, sukayu.jp and mikakuya.com share IP numbers with youca.co.

Name Servers

The delegation for youca.co is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

youca.co at least partially shares name servers with other domains, for instance jahd.net, beishou.jp, jinken.or.jp, jitsugyo.sakura.ne.jp and haruhi.in.

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

A single mail server handles youca.co.

youca.co points to a single IP: 59.106.13.160.