forks.cz - robtex.com
forks.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mx1.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2026-01-18 #2 | ||||||
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=1786337239 | ||||||
Same first word
forks.cz |
forks.com |
forks.tv |
forks.co |
forks.network |
forks.in |
forks.eu |
forks.info |
forks.fr |
forks.jp |
forks.ru |
forks.de |
forks.be |
Similar names
DNS History
11 records (6 active, 5 former)
○NSns.forpsi.cz2017-02-12 → 2017-02-12 · 3 obs
○ 2026-07-03 21:51:14
○ 2026-08-10 06:04:42
○NSns.forpsi.it2017-02-12 → 2017-02-12 · 3 obs
○ 2026-07-03 21:51:14
○ 2026-08-10 06:04:42
○NSns.forpsi.net2017-02-12 → 2017-02-12 · 3 obs
○ 2026-07-03 21:51:14
○ 2026-08-10 06:04:42
●NSns.web4u.cz2026-07-03 → 2026-08-10 · 3 obs
● 2026-07-03 21:51:14
● 2026-08-10 06:04:42
●NSns2.web4u.cz2026-07-03 → 2026-08-10 · 3 obs
● 2026-07-03 21:51:14
● 2026-08-10 06:04:42
○MXmail.o2store.cz2017-02-12 → 2017-02-12 · 3 obs
○ 2026-07-03 21:51:14
○ 2026-08-10 06:04:42
●MXmx1.mailchannels.net2026-07-03 → 2026-08-10 · 3 obs
● 2026-07-03 21:51:14
● 2026-08-10 06:04:42
●MXmx2.mailchannels.net2026-07-03 → 2026-08-10 · 3 obs
● 2026-07-03 21:51:14
● 2026-08-10 06:04:42
●A2001:1568::142026-07-03 → 2026-08-10 · 3 obs
● 2026-07-03 21:51:14
● 2026-08-10 06:04:42
●A81.91.86.142026-07-03 → 2026-08-10 · 3 obs
● 2026-07-03 21:51:14
● 2026-08-10 06:04:42
○A82.208.18.742017-02-12 → 2017-02-12 · 3 obs
○ 2026-07-03 21:51:14
○ 2026-08-10 06:04:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| forks.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1102ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
IP Addresses
forks.cz has two IP addresses: 81.91.86.14 and 2001:1568::14
Additional host names — m147.server4u.cz, czechhta.cz, mail.branomoravia.com and two others — share IP numbers with forks.cz.
Name Servers
Two name servers handle the delegation for forks.cz: ns2.web4u.cz and ns.web4u.cz.
forks.cz shares its name server setup with other domains, including scanditravel.cz, tygergroup.cz, skolazvesela.cz and two others.
ns2.web4u.cz and ns.web4u.cz both carry two IP addresses. The A records for ns2.web4u.cz are 85.207.53.12 and 2a02:a40:100:28ff::12; the A records for ns.web4u.cz are 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
forks.cz has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
forks.cz shares the same mail server setup as other domains, including sparklecon.org, bellaisabella.net, neutronfriends.com and two others.
forks.cz overlaps on mail servers with several other domains, for example steradiantech.com, windsurfatlanta.org, filterform.com and datamering.se.
Each of mx1.mailchannels.net and mx2.mailchannels.net has one IP address: mx1.mailchannels.net uses 54.69.1.140 and mx2.mailchannels.net uses 54.187.177.89.