knext-co.com - robtex.com
knext-co.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.197.111🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | knext-co.knext-co.com | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | knext-co.com ⭐ | ||||||
| A | 153.122.197.111🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | knext-co.knext-co.com | ||||||
| TXT | v=spf1 ip4:153.122.2.20 +ip4:140.227.222.161 +ip4:153.122.197.111 +ip4:180.22... | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1701108313 | ||||||
com
| 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=1778802721 | ||||||
PTR for
MX for
knext-co.com |
Subdomains
knext-co.knext-co.com |
Same first word
knext-co.com |
DNS History
11 records (6 active, 5 former)
●NS01.dnsv.jp2015-11-15 → 2026-05-14 · 3 obs
● 2015-11-15 04:25:30
● 2026-05-14 23:59:18
●NS02.dnsv.jp2015-11-15 → 2026-05-14 · 3 obs
● 2015-11-15 04:25:30
● 2026-05-14 23:59:18
●NS03.dnsv.jp2015-11-15 → 2026-05-14 · 3 obs
● 2015-11-15 04:25:30
● 2026-05-14 23:59:18
●NS04.dnsv.jp2015-11-15 → 2026-05-14 · 3 obs
● 2015-11-15 04:25:30
● 2026-05-14 23:59:18
○NSns01.gmoserver.jp2015-07-07 → 2015-07-07 · 3 obs
○ 2015-11-15 04:25:30
○ 2026-05-14 23:59:18
○NSns02.gmoserver.jp2015-07-07 → 2015-07-07 · 3 obs
○ 2015-11-15 04:25:30
○ 2026-05-14 23:59:18
●MXknext-co.com2015-11-15 → 2026-05-14 · 3 obs
● 2015-11-15 04:25:30
● 2026-05-14 23:59:18
○MXmx.knext-co.com2015-07-07 → 2015-07-07 · 3 obs
○ 2015-11-15 04:25:30
○ 2026-05-14 23:59:18
●A153.122.197.1112026-04-07 → 2026-05-14 · 3 obs
● 2026-04-07 15:14:00
● 2026-05-14 23:59:18
○A153.122.2.202015-11-15 → 2017-03-13 · 5 obs
● 2015-11-15 04:25:30
● 2017-03-13 01:46:00
○ 2026-04-07 15:14:00
○ 2026-05-14 23:59:18
○A61.113.77.352015-07-07 → 2015-07-07 · 3 obs
○ 2015-11-15 04:25:30
○ 2026-05-14 23:59:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knext-co.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.35.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knext-co.com (unsigned zone)
⏱️ Timing
Total: 1016ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.197.111 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | knext-co.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:153.122.2.20 +ip4:140.227.222 |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
knext-co.com is the parent of knext-co.knext-co.com.
Mail Server Role
For knext-co.com, the mail server is knext-co.com.
IP Addresses
knext-co.com resolves to one IP number: 153.122.197.111.
Other host names such as knext-co.knext-co.com and sea-bass.com share IP numbers with knext-co.com.
Name Servers
knext-co.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
knext-co.com at least partially shares name servers with other domains, for instance hteg.info, slugbullet.com, nature-seminar.com, goshinji.net and uniformnext.com.
Host names with two IP numbers:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
Host names with one IP number:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
knext-co.com is served by a single mail server, knext-co.com.
knext-co.com resolves to IP 153.122.197.111.