5kb.us - robtex.com
5kb.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.79.73.70🇨🇦 OVH | ||||||
| PTR | vps-fd3e49e0.vps.ovh.ca | ||||||
| NS | lina.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3abb🇺🇸 Cloudflare | ||||||
| PTR | lina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0bb🇨🇷 Cloudflare | ||||||
| PTR | lina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20bb🇺🇸 Cloudflare | ||||||
| PTR | lina.ns.cloudflare.com | ||||||
| A | 108.162.192.187🇺🇸 Cloudflare | ||||||
| PTR | lina.ns.cloudflare.com | ||||||
| A | 172.64.32.187🇺🇸 Cloudflare | ||||||
| PTR | lina.ns.cloudflare.com | ||||||
| A | 173.245.58.187🇺🇸 Cloudflare | ||||||
| PTR | lina.ns.cloudflare.com | ||||||
| NS | toby.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bef🇺🇸 Cloudflare | ||||||
| PTR | toby.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1ef🇨🇷 Cloudflare | ||||||
| PTR | toby.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21ef🇺🇸 Cloudflare | ||||||
| PTR | toby.ns.cloudflare.com | ||||||
| A | 108.162.193.239🇺🇸 Cloudflare | ||||||
| PTR | toby.ns.cloudflare.com | ||||||
| A | 172.64.33.239🇺🇸 Cloudflare | ||||||
| PTR | toby.ns.cloudflare.com | ||||||
| A | 173.245.59.239🇺🇸 Cloudflare | ||||||
| PTR | toby.ns.cloudflare.com | ||||||
| MX | mx.5kb.us ⭐ | ||||||
| SOA | lina.ns.cloudflare.comdns@cloudflare.com serial=2396748841 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ 🔒 | ||||||
| NS | b.cctld.us 🔒 | ||||||
| NS | f.cctld.us 🔒 | ||||||
| NS | k.cctld.us 🔒 | ||||||
| NS | m.cctld.us 🔒 | ||||||
| NS | n.cctld.us 🔒 | ||||||
| NS | w.cctld.us 🔒 | ||||||
| NS | x.cctld.us 🔒 | ||||||
| NS | y.cctld.us 🔒 | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1771291699 | ||||||
Up
Same first word
Similar names
kb5.com |
kb5.net |
bk5.com |
k5b.com |
kb5.cn |
b5k.net |
bk5.org |
b5k.de |
kb5.cz |
5bk.net |
kb5.ru |
kb5.dk |
bk5.mobi |
bk5.de |
kb5.at |
bk5.us |
kb5.in |
bk5.nl |
k5b.de |
b5k.eu |
5bk.com |
bk5.net |
bk5.cn |
k5b.com.au |
bk5.cc |
kb5.de |
DNS History
10 records (4 active, 6 former)
●NSlina.ns.cloudflare.com2015-06-07 → 2026-02-21 · 2 obs
● 2026-02-21 14:05:40
●NStoby.ns.cloudflare.com2015-06-07 → 2026-02-21 · 2 obs
● 2026-02-21 14:05:40
○MXaspmx1.migadu.com2016-12-01 → 2016-12-07 · 5 obs
● 2016-12-01 06:54:48
● 2016-12-07 04:05:14
○ 2026-02-20 15:20:50
○ 2026-02-21 14:05:40
○MXaspmx2.migadu.com2016-12-01 → 2016-12-07 · 5 obs
● 2016-12-01 06:54:48
● 2016-12-07 04:05:14
○ 2026-02-20 15:20:50
○ 2026-02-21 14:05:40
○MXmail.5kb.us2015-06-07 → 2016-03-31 · 5 obs
○ 2015-10-28 23:12:20
● 2016-03-31 22:26:58
○ 2016-12-01 06:54:48
○ 2026-02-21 14:05:40
●MXmx.5kb.us2026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 15:20:50
● 2026-02-21 14:05:40
○A104.28.26.342015-06-07 → 2016-03-31 · 4 obs
● 2016-03-31 22:26:58
○ 2016-12-01 06:54:48
○ 2026-02-21 14:05:40
○A104.28.27.342015-06-07 → 2016-03-31 · 4 obs
● 2016-03-31 22:26:58
○ 2016-12-01 06:54:48
○ 2026-02-21 14:05:40
●A51.79.73.702026-02-20 → 2026-02-21 · 3 obs
● 2026-02-20 15:20:50
● 2026-02-21 14:05:40
○A99.234.41.1782016-12-01 → 2016-12-07 · 5 obs
● 2016-12-01 06:54:48
● 2016-12-07 04:05:14
○ 2026-02-20 15:20:50
○ 2026-02-21 14:05:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| 5kb.us | toby.ns.cloudflare.com, lina.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.239
NS records: toby.ns.cloudflare.com, lina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 5kb.us (unsigned zone)
⏱️ Timing
Total: 54ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.79.73.70 |
| NS | 2 | lina.ns.cloudflare.com, toby.ns.cloudflare.com |
| MX | 1 | mx.5kb.us (pri: 0) |
| SOA | 1 | lina.ns.cloudflare.com dns.cloudflare.co |
AI analysis
5kb.us is a parent of mx.5kb.us and mail.5kb.us.
5kb.us points to IP number 51.79.73.70.
For instance, other host names paranoid.computer, vps-fd3e49e0.vps.ovh.ca, paranoia.dev, reversegeo.com and enumplus.org share IP numbers with 5kb.us.
5kb.us is delegated to two name servers: lina.ns.cloudflare.com and toby.ns.cloudflare.com.
5kb.us uses the same name server setup as other domains such as beernerd.dk, 8ugame.com, reservoir.tools, mobiblog.app and ebanking-services.net.
5kb.us shares name servers with other domains at least partially, for example fb034.com, hz51trans.cn, miconsultant.net, me2.cc and xianghez.cn.
These name servers are commonly used with the name servers chad.ns.cloudflare.com and ray.ns.cloudflare.com.
Host names with six IP numbers: host name lina.ns.cloudflare.com points to: 2606:4700:50::adf5:3abb, 2803:f800:50::6ca2:c0bb, 2a06:98c1:50::ac40:20bb, 108.162.192.187, 172.64.32.187 and 173.245.58.187; host name toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.