k-rex.net - robtex.com
k-rex.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.187.170🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | k-rex.net | ||||||
| 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 | mail.k-rex.net ⭐ | ||||||
| A | 133.242.187.170🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | k-rex.net | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1744180277 | ||||||
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=1778666836 | ||||||
PTR for
Previously NS for
k-rex.net |
Subdomains
mail.k-rex.net |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NS01.dnsv.jp2026-02-23 → 2026-05-13 · 3 obs
● 2026-02-23 10:33:54
● 2026-05-13 10:19:00
●NS02.dnsv.jp2026-02-23 → 2026-05-13 · 3 obs
● 2026-02-23 10:33:54
● 2026-05-13 10:19:00
●NS03.dnsv.jp2026-02-23 → 2026-05-13 · 3 obs
● 2026-02-23 10:33:54
● 2026-05-13 10:19:00
●NS04.dnsv.jp2026-02-23 → 2026-05-13 · 3 obs
● 2026-02-23 10:33:54
● 2026-05-13 10:19:00
○NSdns01.muumuu-domain.com2015-06-24 → 2017-08-22 · 4 obs
● 2017-08-22 05:34:26
○ 2026-02-23 10:33:54
○ 2026-05-13 10:19:00
○NSdns02.muumuu-domain.com2015-06-24 → 2017-08-22 · 4 obs
● 2017-08-22 05:34:26
○ 2026-02-23 10:33:54
○ 2026-05-13 10:19:00
○NSk-rex.net2015-06-24 → 2017-08-22 · 4 obs
● 2017-08-22 05:34:26
○ 2026-02-23 10:33:54
○ 2026-05-13 10:19:00
●MXmail.k-rex.net2026-02-23 → 2026-05-13 · 2 obs
● 2026-05-13 10:19:00
●A133.242.187.1702026-02-23 → 2026-05-13 · 2 obs
● 2026-05-13 10:19:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| k-rex.net | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k-rex.net (unsigned zone)
⏱️ Timing
Total: 932ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.187.170 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.k-rex.net (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
k-rex.net is parent of mail.k-rex.net.
IP Addresses
k-rex.net points to a single IP: 133.242.187.170.
Other host names, for instance mail.menya-byakko.com, kabutomushi-mark.com, haken-ys.net, mail.haken-ys.net and mail.k-rex.net share IP numbers with k-rex.net.
Name Servers
k-rex.net is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
k-rex.net at least partially shares its name servers with other domains, for instance vrl.jp, viewmo.mobi, ahi-soc.info, furisyodorentaruoosakaant.net and alimna.jp.
Two IPs per host:
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.
One IP per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
k-rex.net is served by a single mail server, mail.k-rex.net.
mail.k-rex.net points to IP number 133.242.187.170.