letitbe.cz - robtex.com
letitbe.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.86.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php53.web4u.cz | ||||||
| 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 | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| TXT | google-site-verification=__v8BfmvkGbDUV7FcCdXIon6HkZuZgxaLS-3UMiEaXc | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-03 #0 | ||||||
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=1776053834 | ||||||
Same first word
letitbe.space |
letitbe.be |
letitbe.cc |
letitbe.it |
letitbe.com.au |
letitbe.club |
letitbe.org |
letitbe.biz |
letitbe.cz |
letitbe.pro |
letitbe.se |
letitbe.nl |
letitbe.dk |
Similar names
DNS History
6 records (5 active, 1 former)
○MXmail.letitbe.cz2015-07-18 → 2017-10-08 · 4 obs
● 2017-10-08 12:44:00
○ 2026-03-26 04:56:30
○ 2026-04-13 04:46:00
●MXmx1.mailchannels.net2026-03-26 → 2026-04-13 · 3 obs
● 2026-03-26 04:56:30
● 2026-04-13 04:46:00
●MXmx2.mailchannels.net2026-03-26 → 2026-04-13 · 3 obs
● 2026-03-26 04:56:30
● 2026-04-13 04:46:00
●A81.91.86.122015-07-18 → 2026-04-13 · 2 obs
● 2026-04-13 04:46:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| letitbe.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.12 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| TXT | 1 | google-site-verification=__v8BfmvkGbDUV7 |
| 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
letitbe.cz points to a single IP: 81.91.86.12.
Other host names, for instance epimex.eu, agroprodukt.cz, bmr.cz, satako.cz and psychotesty-pro-ridice-praha.cz share IP numbers with letitbe.cz.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz handle delegation for letitbe.cz.
letitbe.cz uses the same name server setup as other domains, for example helpforexpats.cz, pater.cz, ekalkulacky.cz, demix.cz and alfavaria.com.
Host names with two IP numbers:
ns2.web4u.cz points to: 2a02:a40:100:28ff::12 and 85.207.53.12
ns.web4u.cz points to: 2001:1568:fd::241 and 185.14.224.241
Mail Servers
letitbe.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
letitbe.cz has the same mail server setup as other domains, including duck-creek.net, app-spaces.com, lablanqueria.cl, peb.se and tomcotter.com.
Some mail servers are shared between letitbe.cz and other domains, for example rytrans.se.
Host names with one IP number: The host name mx1.mailchannels.net points to 54.69.1.140 and the host name mx2.mailchannels.net points to 18.236.29.166.