cyklo.eu - robtex.com
cyklo.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 54.38.49.69🇫🇷 OVH54.38.0.0/16 | ||||||
| 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 | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.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 | ||||||
| TXT | MS=ms17619150 | ||||||
| TXT | v=spf1 include:_spf.web4u.cz ~all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-03 #0 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1127043708 | ||||||
Subdomains
mail.cyklo.eu |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○MXmail.cyklo.eu2015-07-25 → 2017-06-26 · 4 obs
● 2017-06-26 15:57:34
○ 2026-04-18 04:38:24
○ 2026-08-13 19:13:12
●MXmx1.mailchannels.net2026-04-18 → 2026-08-13 · 3 obs
● 2026-04-18 04:38:24
● 2026-08-13 19:13:12
●MXmx2.mailchannels.net2026-04-18 → 2026-08-13 · 3 obs
● 2026-04-18 04:38:24
● 2026-08-13 19:13:12
○A46.234.112.182015-07-25 → 2017-06-26 · 4 obs
● 2017-06-26 15:57:34
○ 2026-04-18 04:38:24
○ 2026-08-13 19:13:12
●A54.38.49.692026-04-18 → 2026-08-13 · 3 obs
● 2026-04-18 04:38:24
● 2026-08-13 19:13:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| cyklo.eu | ns2.web4u.cz, ns.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns2.web4u.cz, ns.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.38.49.69 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| TXT | 2 | MS=ms17619150, v=spf1 include:_spf.web4u.cz ~all |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
mail.cyklo.eu is delegated beneath cyklo.eu.
IP Addresses
cyklo.eu resolves to just one IP address, 54.38.49.69.
Further host names like cyklofit.cz and ondraplsek.cz overlap in IP numbers with cyklo.eu.
Name Servers
cyklo.eu is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
cyklo.eu shares its NS records with other domains, for example vostrak.cz, magrathea.cz, tntrade.net and two others.
ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
cyklo.eu is served by two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.
Among the domains sharing a mail server setup with cyklo.eu are bestappsforkids.com, projektant-jihlava.cz, conceittoimoveis.net and two others.
cyklo.eu and other domains — a-tacs.com for instance — share at least some mail servers.
mx1.mailchannels.net and mx2.mailchannels.net both resolve to the same single IP address: 54.187.177.89.
mx1.mailchannels.net and mx2.mailchannels.net are host names that each point to 54.187.177.89 IP addresses.