mail.risuu.com - robtex.com

mail.risuu.com

CNAMErisuu.com
DNSSEC⚠️ Not signed
A49.212.198.86🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2876.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
MXrisuu.com ⭐
A49.212.198.86🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2876.sakura.ne.jp
TXTv=spf1 a:www2876.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-05-11 #13

risuu.com

DNSSEC⚠️ Not signed
A49.212.198.86🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXrisuu.com ⭐
TXTv=spf1 a:www2876.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-05-11 #13

Previously MX for

risuu.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A203.137.23.66CNAMErisuu.com
○A203.137.23.662015-08-22 → 2016-07-17 · 4 obs
● 2015-08-22 17:02:16
● 2016-07-17 02:00:18
○ 2026-06-27 22:30:26
○ 2026-07-16 23:13:30
●CNAMErisuu.com2026-06-27 → 2026-07-16 · 2 obs
● 2026-06-27 22:30:26
● 2026-07-16 23:13:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
risuu.comns1.dns.ne.jp, ns2.dns.ne.jp-

✅ 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 risuu.com (unsigned zone)

⏱️ Timing

Total: 1410ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1risuu.com

Analysis

IP Addresses

mail.risuu.com points to a single IP number: 49.212.198.86.

Additional host names — kyoueihosohaba.co.jp, kuberuba.com, centrelabo.com and two others — share IP numbers with mail.risuu.com.

Name Servers

mail.risuu.com carries NS records delegating to master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

The name servers of mail.risuu.com overlap at least partially with those of other domains — among them amecos.sakura.ne.jp, m454k1.sakura.ne.jp, tamurakougyou.com and two more.

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 — each hostname maps to exactly one IP address.

Mail Servers

mail.risuu.com has one mail server: risuu.com.

mail.risuu.com shares its mail server setup with other domains, such as risuu.com.

risuu.com carries a single IP number, which is 49.212.198.86.