bitnote.eu - dns.ninja
bitnote.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::13🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php56.web4u.cz | ||||||
| A | 81.91.86.13🇨🇿 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 2025-05-04 #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=1125558860 | ||||||
Subdomains
mail.bitnote.eu |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
○MXmail.bitnote.eu2015-07-14 → 2017-03-28 · 4 obs
● 2017-03-28 20:28:44
○ 2026-02-19 20:15:08
○ 2026-06-26 13:37:54
●MXmx1.mailchannels.net2026-02-19 → 2026-06-26 · 3 obs
● 2026-02-19 20:15:08
● 2026-06-26 13:37:54
●MXmx2.mailchannels.net2026-02-19 → 2026-06-26 · 3 obs
● 2026-02-19 20:15:08
● 2026-06-26 13:37:54
●A2001:1568::132015-07-14 → 2026-06-26 · 2 obs
● 2026-06-26 13:37:54
●A81.91.86.132015-07-14 → 2026-06-26 · 2 obs
● 2026-06-26 13:37:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| bitnote.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: 1166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.13 |
| AAAA | 1 | 2001:1568::13 |
| 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 |
Analysis
Hierarchy
The domain mail.bitnote.eu falls under the parent bitnote.eu.
IP Addresses
bitnote.eu has two IP addresses: 81.91.86.13 and 2001:1568::13
herfis.com, bozkov.cz, www.hotelpodsluncem.cz and two other host names share IP numbers with bitnote.eu.
Name Servers
bitnote.eu is served by two delegated name servers, ns2.web4u.cz and ns.web4u.cz.
bitnote.eu uses the same name servers as several other domains — among them kublov.net, mailisimo.cz, bastyri.cz and two more.
The DNS delegation for bitnote.eu at least partly coincides with that of other domains, elcad.cz being one example.
Each of the two host names carries two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
Mail for bitnote.eu is handled by two mail servers — mx1.mailchannels.net and mx2.mailchannels.net.
bitnote.eu uses an identical mail server configuration to several other domains — among them sportscasterlife.com, delucia.com, floridabulldog.org and two more.
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.