geotrust.cz - robtex.com
geotrust.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180a:1001::1🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network | ||||||
| PTR | ns11.constellix.com | ||||||
| A | 96.45.80.1🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24 | ||||||
| PTR | ns11.constellix.com | ||||||
| NS | f4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180b:2001::1🇺🇸 Tiggee2600:180b:2001::/48 Constellix anycast network | ||||||
| PTR | ns21.constellix.com | ||||||
| A | 46.31.236.1🇺🇸 Tiggee46.31.236.0/24 route 46.31.236.0/24 | ||||||
| PTR | ns21.constellix.com | ||||||
| NS | g4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180c:3001::1🇺🇸 Tiggee2600:180c:3001::/48 Constellix anycast network | ||||||
| PTR | ns31.constellix.com | ||||||
| A | 43.247.170.1🇯🇵 Tiggee43.247.170.0/24 route 43.247.170.0/24 | ||||||
| PTR | ns31.constellix.com | ||||||
| NS | l4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180a:1001::1🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network | ||||||
| PTR | ns11.constellix.com | ||||||
| A | 96.45.80.1🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24 | ||||||
| PTR | ns11.constellix.com | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1775958433 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
○A165.160.13.202015-07-14 → 2018-10-20 · 4 obs
● 2018-10-20 01:52:36
○ 2026-04-09 06:59:30
○ 2026-04-12 02:44:00
○A165.160.15.202015-07-14 → 2018-10-20 · 4 obs
● 2018-10-20 01:52:36
○ 2026-04-09 06:59:30
○ 2026-04-12 02:44:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| geotrust.cz | a4.nstld.com, f4.nstld.com, g4.nstld.com, l4.nstld.com | - |
✅ Authoritative Response
Server:43.247.170.1
NS records: a4.nstld.com, f4.nstld.com, g4.nstld.com, l4.nstld.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for geotrust.cz (unsigned zone)
⏱️ Timing
Total: 650ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
geotrust.cz delegates to four name servers: a4.nstld.com, f4.nstld.com, g4.nstld.com and l4.nstld.com.
geotrust.cz at least partially shares name servers with other domains, for instance nexenbnymellon.com, punchoutorder.net, grassavoyecameroun.com, decathlon.com.hk and gras-savoye.co.in.
These name servers are commonly used with j4.nstld.com, h4.nstld.com, k4.nstld.com, a1.verisigndns.com, a2.verisigndns.com and a3.verisigndns.com.
Host names with two IP numbers:
- a4.nstld.com points to 2600:180a:1001::1 and 96.45.80.1
- f4.nstld.com points to 2600:180b:2001::1 and 46.31.236.1
- g4.nstld.com points to 2600:180c:3001::1 and 43.247.170.1
- l4.nstld.com points to 2600:180a:1001::1 and 96.45.80.1
Host names that point to 2600:180a:1001::1: a4.nstld.com and l4.nstld.com
Host names that point to 96.45.80.1: a4.nstld.com and l4.nstld.com