tzkubo.com - robtex.com
tzkubo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| NS | ns3.expirationwarning.net ⭐ | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns7.expirationwarning.net | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-06 #0 | ||||||
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=1786075924 | ||||||
Same first word
tzkubo.com |
DNS History
9 records (3 active, 6 former)
○NSdns.4cun.com2017-10-31 → 2017-10-31 · 3 obs
○ 2026-04-10 21:39:12
○ 2026-08-07 04:14:22
○NSns1.julydns.com2026-04-10 → 2026-04-10 · 3 obs
● 2026-04-10 21:39:12
○ 2026-08-07 04:14:22
○NSns2.julydns.com2026-04-10 → 2026-04-10 · 3 obs
● 2026-04-10 21:39:12
○ 2026-08-07 04:14:22
●NSns3.expirationwarning.net2026-08-07 → 2026-08-07 · 2 obs
● 2026-08-07 04:14:22
●NSns7.expirationwarning.net2026-08-07 → 2026-08-07 · 2 obs
● 2026-08-07 04:14:22
○MXmx.ym.163.com2017-10-31 → 2017-10-31 · 3 obs
○ 2026-04-10 21:39:12
○ 2026-08-07 04:14:22
○A106.14.5.1722017-10-31 → 2017-10-31 · 3 obs
○ 2026-04-10 21:39:12
○ 2026-08-07 04:14:22
○A38.55.242.802026-04-10 → 2026-04-10 · 3 obs
● 2026-04-10 21:39:12
○ 2026-08-07 04:14:22
●A51.195.17.682026-08-07 → 2026-08-07 · 2 obs
● 2026-08-07 04:14:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net... | - |
| tzkubo.com | ns3.expirationwarning.net, ns7.expirationwarning.net | - |
✅ Authoritative Response
Server:51.195.17.68
NS records: ns3.expirationwarning.net, ns7.expirationwarning.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tzkubo.com (unsigned zone)
⏱️ Timing
Total: 503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.161.21.1 |
| NS | 2 | ns7.expirationwarning.net, ns3.expirationwarning.net |
| SOA | 1 | ns3.expirationwarning.net hostmaster.exp |
Analysis
IP Addresses
tzkubo.com resolves to one IP address: 51.195.17.68.
mail.zh-hupu-home.com, newgolfballs.com, noirot-boissons.com and two other host names share IP numbers with tzkubo.com.
Name Servers
DNS delegation for tzkubo.com points to two name servers: ns3.expirationwarning.net and ns7.expirationwarning.net.
tzkubo.com uses the same name servers as several other domains — among them maile24.com, asjrsee.com, blogwaggon.com and two more.
tzkubo.com shares at least some of its name servers with other domains, such as asiago.net and vps.proplannetworks.net.
These name servers are frequently seen alongside the name servers ns1.expirationwarning.net.
ns3.expirationwarning.net and ns7.expirationwarning.net each resolve to one IP number: ns3.expirationwarning.net points to 51.161.21.1 and ns7.expirationwarning.net points to 51.195.17.68.