example.cz - robtex.com
example.cz
| DNSSEC | β οΈ Not signed | ||||||
| NS | ns1.he.net β | ||||||
| A | 2001:470:100::2πΊπΈ HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.he.net | ||||||
| A | 216.218.130.2πΊπΈ HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.he.net | ||||||
| NS | ns2.he.net | ||||||
| A | 2001:470:200::2πΊπΈ HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| A | 216.218.131.2πΊπΈ HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns2.he.net | ||||||
| NS | ns3.he.net | ||||||
| A | 2001:470:300::2πΊπΈ HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.he.net | ||||||
| A | 216.218.132.2πΊπΈ HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.he.net | ||||||
| NS | ns4.he.net | ||||||
| A | 2001:470:400::2πΊπΈ HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.he.net | ||||||
| A | 216.66.1.2πΊπΈ HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns4.he.net | ||||||
| NS | ns5.he.net | ||||||
| A | 2001:470:500::2πΊπΈ HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns5.he.net | ||||||
| A | 216.66.80.18πΊπΈ HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns5.he.net | ||||||
| MX | mail.example.cz β | ||||||
| A | 128.0.178.118π¨πΏ PODA-AS128.0.176.0/20 PODA-NET | ||||||
| PTR | static-2147529334.poda.cz | ||||||
| TXT | keybase-site-verification=8MxEVl5opym73LsHoLpGVap5xDnXR-ChIISgFlktKcA | ||||||
| SOA | ns1.he.nethostmaster@he.net 2023-02-09 #43 | ||||||
cz
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.ns.nic.cz β | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1783149439 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
βNSns.pipni.cz2015-07-16 β 2021-10-20 Β· 4 obs
β 2021-10-20 23:53:16
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βNSns1.he.net2026-02-17 β 2026-07-04 Β· 3 obs
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βNSns2.he.net2026-02-17 β 2026-07-04 Β· 3 obs
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βNSns2.pipni.cz2015-07-16 β 2021-10-20 Β· 4 obs
β 2021-10-20 23:53:16
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βNSns3.he.net2026-02-17 β 2026-07-04 Β· 3 obs
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βNSns4.he.net2026-02-17 β 2026-07-04 Β· 3 obs
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βNSns5.he.net2026-02-17 β 2026-07-04 Β· 3 obs
β 2026-02-17 04:30:42
β 2026-07-04 07:30:08
βMXmail.example.cz2015-07-16 β 2026-07-04 Β· 2 obs
β 2026-07-04 07:30:08
βMXns3.pipni.cz2015-07-16 β 2020-09-15 Β· 4 obs
β 2020-09-15 17:11:22
β 2020-12-17 09:43:08
β 2026-07-04 07:30:08
βA93.185.104.292015-07-16 β 2026-02-17 Β· 8 obs
β 2017-01-22 19:47:52
β 2018-01-13 02:09:32
β 2019-10-15 04:48:52
β 2020-06-12 01:10:50
β 2026-02-17 04:30:42
β 2026-03-03 04:37:32
β 2026-07-04 07:30:08
βA93.185.104.642018-01-13 β 2019-10-15 Β· 5 obs
β 2018-01-13 02:09:32
β 2019-10-15 04:48:52
β 2020-06-12 01:10:50
β 2026-07-04 07:30:08
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| example.cz | ns5.he.net, ns2.he.net, ns3.he.net, ns4.he.net... | - |
β Authoritative Response
Server:216.66.1.2
NS records: ns5.he.net, ns2.he.net, ns3.he.net, ns4.he.net, ns1.he.net
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for example.cz (unsigned zone)
β±οΈ Timing
Total: 796ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | ns1.he.net, ns2.he.net... |
| MX | 1 | mail.example.cz (pri: 20) |
| TXT | 1 | keybase-site-verification=8MxEVl5opym73L |
| SOA | 1 | ns1.he.net hostmaster.he.net |
Analysis
Hierarchy
The parent domain of mail.example.cz and www.example.cz is example.cz.
Name Servers
The authoritative name servers for example.cz are ns1.he.net, ns2.he.net, ns3.he.net and two others.
example.cz shares at least some of its name servers with other domains, including knd.si, jubileedata.com, ewiz.ca and two others.
These name servers are frequently paired with the name servers ns4.he.net and ns5.he.net.
Hosts with two IP numbers each:
ns1.he.net resolves to 216.218.130.2 and 2001:470:100::2.
ns2.he.net resolves to 216.218.131.2 and 2001:470:200::2.
ns3.he.net resolves to 216.218.132.2 and 2001:470:300::2.
ns4.he.net resolves to 216.66.1.2 and 2001:470:400::2.
ns5.he.net resolves to 216.66.80.18 and 2001:470:500::2.
Mail Servers
example.cz routes its mail through a single mail server, mail.example.cz.
mail.example.cz points to one IP number β 128.0.178.118.