risaiku.net - robtex.com
risaiku.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.16.93.191🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | mail.risaiku.net | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 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 | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | risaiku.net ⭐ | ||||||
| A | 160.16.93.191🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | mail.risaiku.net | ||||||
| TXT | v=spf1 ip4:160.16.93.191 -all | ||||||
| TXT | google-site-verification=mTXcfNmj_HHkZD0RZC5SjYR_w2cjdEoz7Lw8hsb6rME | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-01-18 #1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774668057 | ||||||
MX for
risaiku.net |
Subdomains
mail.risaiku.net |
Same first word
risaiku.net |
Similar names
sairiku.com |
sairiku.net |
karisui.jp |
ikarius.pl |
arisuki.com |
sukiari.net |
kasirui.cn |
isikura.com |
airisuk.com |
rikusai.or.jp |
ruisika.com |
saikuri.org |
kairusi.com |
ikarius.com |
ikarius.net |
risukai.com |
DNS History
6 records (5 active, 1 former)
●MXrisaiku.net2015-07-13 → 2026-03-28 · 2 obs
● 2026-03-28 03:50:16
●A160.16.93.1912020-02-06 → 2026-03-28 · 3 obs
● 2020-02-06 21:40:10
● 2026-03-28 03:50:16
○A49.212.39.1132015-07-13 → 2017-03-25 · 4 obs
● 2017-03-25 01:42:24
○ 2020-02-06 21:40:10
○ 2026-03-28 03:50:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net... | - |
| risaiku.net | ns1.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 risaiku.net (unsigned zone)
⏱️ Timing
Total: 1147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.16.93.191 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | risaiku.net (pri: 10) |
| TXT | 2 | v=spf1 ip4:160.16.93.191 -all, google-site-verification=mTXcfNmj_HHkZD0 |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
risaiku.net is parent of mail.risaiku.net.
Mail Server Role
risaiku.net serves as a mail server for risaiku.net.
IP Addresses
risaiku.net points to a single IP: 160.16.93.191.
Other host names, for instance mail.risaiku.net, share IP numbers with risaiku.net.
Name Servers
risaiku.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
risaiku.net at least partially shares its name servers with other domains, for instance zensin.or.jp, sevilla-guitar.com, aikawa-shoji.co.jp, fortunacrosseternal.com and wagonservice.jp.
These name servers are often used together with the name servers dns.sakura.ad.jp.
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
risaiku.net is handled by a single mail server.
risaiku.net points to IP number 160.16.93.191.