czert.net - robtex.com
czert.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.9.175.211🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | ing.r4.websupport.cz | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1756998184 | ||||||
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=1786567419 | ||||||
Same first word
Similar names
czrte.com |
ezcrt.net |
cretz.com |
ezrtc.com |
zrect.com |
zrtec.com |
zcert.com |
certz.org |
zretc.com |
ztcre.com |
zectr.io |
crtez.com |
zectr.com |
ctrez.com |
eztrc.com |
zcert.it |
zretc.net |
certz.com |
cretz.eu |
ztcre.cn |
tezrc.com |
DNS History
8 records (4 active, 4 former)
○NSalfa.ns.active24.cz2015-08-09 → 2017-04-01 · 4 obs
● 2017-04-01 00:13:00
○ 2026-06-30 20:49:24
○ 2026-08-12 20:55:16
○NSbeta.ns.active24.cz2015-08-09 → 2017-04-01 · 4 obs
● 2017-04-01 00:13:00
○ 2026-06-30 20:49:24
○ 2026-08-12 20:55:16
○NSgama.ns.active24.sk2015-08-09 → 2017-04-01 · 4 obs
● 2017-04-01 00:13:00
○ 2026-06-30 20:49:24
○ 2026-08-12 20:55:16
●NSns1.websupport.cz2026-06-30 → 2026-08-12 · 3 obs
● 2026-06-30 20:49:24
● 2026-08-12 20:55:16
●NSns2.websupport.cz2026-06-30 → 2026-08-12 · 3 obs
● 2026-06-30 20:49:24
● 2026-08-12 20:55:16
●NSns3.websupport.eu2026-06-30 → 2026-08-12 · 3 obs
● 2026-06-30 20:49:24
● 2026-08-12 20:55:16
●A37.9.175.2112026-06-30 → 2026-08-12 · 3 obs
● 2026-06-30 20:49:24
● 2026-08-12 20:55:16
○A81.95.96.292015-08-09 → 2017-04-01 · 4 obs
● 2017-04-01 00:13:00
○ 2026-06-30 20:49:24
○ 2026-08-12 20:55:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| czert.net | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for czert.net (unsigned zone)
⏱️ Timing
Total: 487ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.211 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
czert.net directs to one IP number, which is 37.9.175.211.
Among the host names that share IP numbers with czert.net are retrolok.net, zape.cz, euro-center.dk and two others.
Name Servers
czert.net is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
The name servers of czert.net overlap at least partially with those of other domains — among them esdmail.cz, profisound.cz, musov.cz and two more.
ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each resolve to two IP addresses: ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12; ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13.