cdec.net - dns.ninja
cdec.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2403:3a00:101:22:49:212:235:231🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www3491.sakura.ne.jp | ||||||
| A | 49.212.235.231🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| 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 | cdec.net ⭐ | ||||||
| A | 2403:3a00:101:22:49:212:235:231🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www3491.sakura.ne.jp | ||||||
| A | 49.212.235.231🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3491.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3491.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-06-10 #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=1782036345 | ||||||
MX for
cdec.net |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSmaster.dns.ne.jp2026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 09:11:54
● 2026-06-21 10:23:30
○NSns.inetd.co.jp2015-07-16 → 2017-09-06 · 4 obs
● 2017-09-06 06:28:16
○ 2026-02-26 09:11:54
○ 2026-06-21 10:23:30
●NSns1.dns.ne.jp2026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 09:11:54
● 2026-06-21 10:23:30
●NSns2.dns.ne.jp2026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 09:11:54
● 2026-06-21 10:23:30
○NSns2.inetd.co.jp2015-07-16 → 2017-09-06 · 4 obs
● 2017-09-06 06:28:16
○ 2026-02-26 09:11:54
○ 2026-06-21 10:23:30
●MXcdec.net2026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 09:11:54
● 2026-06-21 10:23:30
○MXmx1.inetd.co.jp2015-07-16 → 2017-09-06 · 4 obs
● 2017-09-06 06:28:16
○ 2026-02-26 09:11:54
○ 2026-06-21 10:23:30
○MXmx2.inetd.co.jp2015-07-16 → 2017-09-06 · 4 obs
● 2017-09-06 06:28:16
○ 2026-02-26 09:11:54
○ 2026-06-21 10:23:30
●A2403:3a00:101:22:49:212:235:2312026-02-26 → 2026-06-21 · 2 obs
● 2026-06-21 10:23:30
●A49.212.235.2312026-02-26 → 2026-06-21 · 2 obs
● 2026-06-21 10:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net... | - |
| cdec.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 cdec.net (unsigned zone)
⏱️ Timing
Total: 1033ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.231 |
| AAAA | 1 | 2403:3a00:101:22:49:212:235:231 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | cdec.net (pri: 10) |
| TXT | 1 | v=spf1 a:www3491.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The MX record for cdec.net points back to cdec.net — it is its own mail server.
IP Addresses
cdec.net directs to two IP numbers, 49.212.235.231 and 2403:3a00:101:22:49:212:235:231
Among the host names that share IP numbers with cdec.net are sports-sponsor.sakura.ne.jp, yabuuchi-tokeiho.sakura.ne.jp, msv-im10154.sakura.ne.jp and two others.
Name Servers
The authoritative name servers for cdec.net are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.
cdec.net has at least partial name server overlap with other domains, such as kiyosu-mda.com, pldaichi.jp, b-try-s.sakura.ne.jp and two others.
The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.
Mail Servers
The MX record for cdec.net points to a single mail server: cdec.net.
cdec.net has two IP addresses: 49.212.235.231 and 2403:3a00:101:22:49:212:235:231.