knetwork.co.jp - robtex.com
knetwork.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.21🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | knetwork.co.jp ⭐ | ||||||
| A | 153.122.205.21🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | mx.knetwork.co.jp ⭐ | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | knetwork.co.jphostmaster@knetwork.co.jp serial=2602171610 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
NS for
knetwork.co.jp |
Previously MX for
knetwork.co.jp |
Same first word
knetwork.co |
knetwork.ru |
knetwork.fr |
knetwork.awsapps.com |
knetwork.de |
knetwork.cn |
knetwork.co.jp |
knetwork.dk |
knetwork.tech |
Similar names
DNS History
8 records (5 active, 3 former)
●NSdnss10.so-net.ne.jp2015-06-16 → 2026-05-14 · 2 obs
● 2026-05-14 18:37:22
●NSdnss11.so-net.ne.jp2015-06-16 → 2026-05-14 · 2 obs
● 2026-05-14 18:37:22
●NSknetwork.co.jp2015-06-16 → 2026-05-14 · 2 obs
● 2026-05-14 18:37:22
○MXknetwork.co.jp2015-06-16 → 2015-10-26 · 4 obs
● 2015-10-26 00:02:12
○ 2016-01-13 21:14:14
○ 2026-05-14 18:37:22
●MXmx.knetwork.co.jp2016-01-13 → 2026-05-14 · 3 obs
● 2016-01-13 21:14:14
● 2026-05-14 18:37:22
●A153.122.205.212026-05-13 → 2026-05-14 · 3 obs
● 2026-05-13 08:20:56
● 2026-05-14 18:37:22
○A203.105.85.1272015-06-16 → 2015-10-26 · 4 obs
● 2015-10-26 00:02:12
○ 2016-01-13 21:14:14
○ 2026-05-14 18:37:22
○A211.13.196.1412016-01-13 → 2016-09-22 · 5 obs
● 2016-01-13 21:14:14
● 2016-09-22 22:22:54
○ 2026-05-13 08:20:56
○ 2026-05-14 18:37:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| knetwork.co.jp | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knetwork.co.jp (unsigned zone)
⏱️ Timing
Total: 4476ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.21 |
| NS | 2 | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp |
| MX | 1 | mx.knetwork.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | knetwork.co.jp hostmaster.knetwork.co.jp |
Analysis
Name Server Role
knetwork.co.jp serves as a name server for knetwork.co.jp.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are commonly used as name servers together with knetwork.co.jp.
IP Addresses
knetwork.co.jp maps to IP address 153.122.205.21.
Other host names, for instance scrum-corp.co.jp, takeda-bio.jp, wadokai.or.jp, aps-web.co.jp and lotinc.com share IP numbers with knetwork.co.jp.
Name Servers
knetwork.co.jp is delegated to three name servers: knetwork.co.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
knetwork.co.jp at least partially shares name servers with other domains such as eater.jp, sk-roumu.com, courtpia.co.jp, tama3.jp and sundaycomp.com.
Host names with a single IP:
knetwork.co.jp points to 153.122.205.21
dnss10.so-net.ne.jp points to 210.139.255.1
dnss11.so-net.ne.jp points to 210.139.255.17
Mail Servers
knetwork.co.jp is handled by a single mail server, mx.knetwork.co.jp.
mx.knetwork.co.jp points to one IP number: 153.122.206.114.