strautmann.cz - robtex.com
strautmann.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.83.149🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | unassigned-81-91-83-149.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 | mail.strautmann.cz ⭐ | ||||||
| A | 94.74.221.222🇨🇿 AS1624694.74.192.0/18 Rio Media a.s. CZ | ||||||
| PTR | amail.arbo-kt.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2009-06-29 #1 | ||||||
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=1776228435 | ||||||
Subdomains
mail.strautmann.cz |
Same first word
strautmann.pl |
strautmann.de |
strautmann.hu |
strautmann.info |
strautmann.biz |
strautmann.eu |
strautmann.com |
strautmann.org |
strautmann.cz |
strautmann.co.nz |
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.strautmann.cz2015-06-27 → 2026-04-15 · 2 obs
● 2026-04-15 05:21:54
●A81.91.83.1492015-06-27 → 2026-04-15 · 2 obs
● 2026-04-15 05:21:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| strautmann.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: 1137ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.83.149 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mail.strautmann.cz (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
Hierarchy
strautmann.cz is parent of mail.strautmann.cz.
IP Addresses
strautmann.cz points to a single IP: 81.91.83.149.
Other host names, for instance hotelpekarna.cz, e-brigady.cz, bakus.cz, hsdcz.cz and fotopoet.cz share IP numbers with strautmann.cz.
Name Servers
strautmann.cz's delegation is to two name servers ns2.web4u.cz and ns.web4u.cz.
strautmann.cz shares the same name server configuration as other domains, such as emuoil.cz, stavkom.cz, msaka.com, amporis.cz and optika-mirabilis.cz.
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
strautmann.cz is served by a single mail server, mail.strautmann.cz.
mail.strautmann.cz points to IP number 94.74.221.222.