cdknet.co.jp - robtex.com
cdknet.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
postmaster.cdknet.co.jp |
cdkns.cdknet.co.jp |
Same first word
cdknet.co.jp |
Similar names
DNS History
18 records (6 active, 12 former)
○NS01.dnsv.jp2020-02-10 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○NS02.dnsv.jp2020-02-10 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○NS03.dnsv.jp2020-02-10 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○NS04.dnsv.jp2020-02-10 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○NScdkns.cdknet.co.jp2015-05-31 → 2016-12-03 · 4 obs
● 2016-12-03 13:28:48
○ 2020-02-10 06:45:12
○ 2026-03-28 04:50:38
●NSns-1177.awsdns-19.org2026-02-26 → 2026-03-28 · 3 obs
● 2026-02-26 04:41:22
● 2026-03-28 04:50:38
●NSns-1679.awsdns-17.co.uk2026-02-26 → 2026-03-28 · 3 obs
● 2026-02-26 04:41:22
● 2026-03-28 04:50:38
●NSns-178.awsdns-22.com2026-02-26 → 2026-03-28 · 3 obs
● 2026-02-26 04:41:22
● 2026-03-28 04:50:38
●NSns-879.awsdns-45.net2026-02-26 → 2026-03-28 · 3 obs
● 2026-02-26 04:41:22
● 2026-03-28 04:50:38
○NSns-tk021.ocn.ad.jp2015-05-31 → 2016-12-03 · 4 obs
● 2016-12-03 13:28:48
○ 2020-02-10 06:45:12
○ 2026-03-28 04:50:38
○MXalt1.aspmx.l.google.com2015-05-31 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○MXalt2.aspmx.l.google.com2015-05-31 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○MXalt3.aspmx.l.google.com2015-05-31 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○MXalt4.aspmx.l.google.com2015-05-31 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
○MXaspmx.l.google.com2015-05-31 → 2020-02-10 · 4 obs
● 2020-02-10 06:45:12
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
●MXsmtp.google.com2026-02-26 → 2026-03-28 · 3 obs
● 2026-02-26 04:41:22
● 2026-03-28 04:50:38
●A162.43.105.1442026-02-26 → 2026-03-28 · 3 obs
● 2026-02-26 04:41:22
● 2026-03-28 04:50:38
○A49.212.207.1842020-02-10 → 2020-02-10 · 3 obs
○ 2026-02-26 04:41:22
○ 2026-03-28 04:50:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| cdknet.co.jp | ns-1679.awsdns-17.co.uk, ns-879.awsdns-45.net, ns-1177.awsdns-19.org, ns-178.awsdns-22.com | - |
✅ Authoritative Response
Server:205.251.196.153
NS records: ns-1679.awsdns-17.co.uk, ns-879.awsdns-45.net, ns-1177.awsdns-19.org, ns-178.awsdns-22.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdknet.co.jp (unsigned zone)
⏱️ Timing
Total: 780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.105.144 |
| NS | 4 | ns-1177.awsdns-19.org, ns-1679.awsdns-17.co.uk... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | google-site-verification=VsnW5HoDqXJ9B7O, v=spf1 ip4:49.212.217.11/32 ip4:36.3.232 |
| SOA | 1 | ns-178.awsdns-22.com awsdns-hostmaster.a |
Analysis
Hierarchy
cdknet.co.jp is the parent of postmaster.cdknet.co.jp and cdkns.cdknet.co.jp.
IP Addresses
cdknet.co.jp points to an IP address: 162.43.105.144.
other host names include rebornpilates-jp.com, www.anabukitravel.jp, sv803.xbiz.ne.jp, www.josei-katsuyaku.jp and prex-hrd.or.jp; they share IP numbers with cdknet.co.jp.
Name Servers
cdknet.co.jp delegates to four name servers: ns-178.awsdns-22.com, ns-879.awsdns-45.net, ns-1177.awsdns-19.org and ns-1679.awsdns-17.co.uk.
cdknet.co.jp at least partially shares name servers with other domains, for instance segbaus.com, swaggystocks.com, bapedi.com, cleverreach.pt and bacmoveis.com.br.
Host names with two IP numbers: ns-178.awsdns-22.com points to 2600:9000:5300:b200::1 and 205.251.192.178; ns-879.awsdns-45.net points to 2600:9000:5303:6f00::1 and 205.251.195.111; ns-1177.awsdns-19.org points to 2600:9000:5304:9900::1 and 205.251.196.153; ns-1679.awsdns-17.co.uk points to 2600:9000:5306:8f00::1 and 205.251.198.143.
Mail Servers
cdknet.co.jp is handled by a single mail server, smtp.google.com.
cdknet.co.jp uses the same mail server setup as other domains, for instance binky.co.kr, theprincessplanner.com, actures.nl, yahholdings.com and semaphore.vc.
cdknet.co.jp shares at least partially some mail servers with other domains, for instance manikaran.net, tanaka-sys.com, korchamhrd.net, elano.eu and worldbids.net.
these mail servers are commonly used together with alt1.aspmx.l.google.com.
Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c0d::1a, 2607:f8b0:4023:c0d::1b, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.251.2.26 and 142.251.2.27.