jirmasek.com - robtex.com
jirmasek.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 34.251.60.250🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix | ||||||
| PTR | ec2-34-251-60-250.eu-west-1.compute.amazonaws.com | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | aws.rmrf.cz ⭐ | ||||||
| A | 34.251.60.250🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix | ||||||
| PTR | ec2-34-251-60-250.eu-west-1.compute.amazonaws.com | ||||||
| TXT | v=spf1 a mx -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1752967007 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785824792 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSalfa.ns.active24.cz2015-08-06 → 2018-09-28 · 4 obs
● 2018-09-28 11:33:58
○ 2026-04-05 18:32:22
○ 2026-08-04 06:58:08
○NSbeta.ns.active24.cz2015-08-06 → 2018-09-28 · 4 obs
● 2018-09-28 11:33:58
○ 2026-04-05 18:32:22
○ 2026-08-04 06:58:08
○NSgama.ns.active24.sk2015-08-06 → 2018-09-28 · 4 obs
● 2018-09-28 11:33:58
○ 2026-04-05 18:32:22
○ 2026-08-04 06:58:08
●NSns1.websupport.cz2026-04-05 → 2026-08-04 · 3 obs
● 2026-04-05 18:32:22
● 2026-08-04 06:58:08
●NSns2.websupport.cz2026-04-05 → 2026-08-04 · 3 obs
● 2026-04-05 18:32:22
● 2026-08-04 06:58:08
●NSns3.websupport.eu2026-04-05 → 2026-08-04 · 3 obs
● 2026-04-05 18:32:22
● 2026-08-04 06:58:08
●MXaws.rmrf.cz2018-09-28 → 2026-08-04 · 3 obs
● 2018-09-28 11:33:58
● 2026-08-04 06:58:08
○MXwww.rmrf.cz2015-08-06 → 2017-02-17 · 4 obs
● 2017-02-17 07:32:54
○ 2018-09-28 11:33:58
○ 2026-08-04 06:58:08
○A193.86.184.1442015-08-06 → 2017-02-17 · 4 obs
● 2017-02-17 07:32:54
○ 2018-09-28 11:33:58
○ 2026-08-04 06:58:08
●A34.251.60.2502018-09-28 → 2026-08-04 · 3 obs
● 2018-09-28 11:33:58
● 2026-08-04 06:58:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| jirmasek.com | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 526ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.251.60.250 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | aws.rmrf.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
jirmasek.com points to a single IP number: 34.251.60.250.
jirmasek.com shares its IP numbers with other host names, including ec2-34-251-60-250.eu-west-1.compute.amazonaws.com, rmrf.cz, aws.rmrf.cz and jirmasek.cz.
Name Servers
jirmasek.com is served by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
jirmasek.com partially shares its NS delegation with several other domains, including sturovo.cz, studytour.cz, kosamui.cz and two others.
The hostnames ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each direct to two IP addresses — ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
jirmasek.com has one mail server: aws.rmrf.cz.
The mail server configuration of jirmasek.com is identical to that of other domains, for example jirmasek.cz and rmrf.cz.
aws.rmrf.cz resolves to 34.251.60.250 and no other IP number.