letectvi.cz - robtex.com
letectvi.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.169.17🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | 17.169.9.37.in-addr.arpa.websupport.sk | ||||||
| NS | ns1.websupport.sk ⭐ | ||||||
| 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.sk | ||||||
| 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.sk | ||||||
| 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 | mailin1.letectvi.cz ⭐ | ||||||
| A | 37.9.169.112🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | mail-proxymxphy-6.websupport.sk | ||||||
| MX | mailin2.letectvi.cz(100) | ||||||
| A | 37.9.169.111🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | mail-proxymxphy-7.websupport.sk | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.sk ?all | ||||||
| TXT | spf2.0/pra a mx include:_sid.websupport.sk ?all | ||||||
| SOA | ns1.websupport.skadmin@websupport.sk serial=1770801429 | ||||||
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=1771291036 | ||||||
Subdomains
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
●NSns1.websupport.sk2026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:31:00
○NSns10.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
○NSns11.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
○NSns12.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
○NSns13.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
○NSns14.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
○NSns15.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
●NSns2.websupport.sk2026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:31:00
●NSns3.websupport.sk2026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:31:00
○NSnso.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
○MXjupiter.abstract.cz2015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
●MXmailin1.letectvi.cz2026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:31:00
●MXmailin2.letectvi.cz2026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:31:00
○A195.47.104.1372015-05-22 → 2016-04-26 · 3 obs
● 2016-04-26 22:56:18
○ 2026-03-19 06:31:00
●A37.9.169.172026-03-19 → 2026-03-19 · 2 obs
● 2026-03-19 06:31:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz | 8 records |
| letectvi.cz | ns1.websupport.sk, ns3.websupport.sk, ns2.websupport.sk | - |
✅ Authoritative Response
Server: 45.10.97.11
NS records: ns1.websupport.sk, ns3.websupport.sk, ns2.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.169.17 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.letectvi.cz (pri: 10), mailin2.letectvi.cz (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.websupport.sk ?, spf2.0/pra a mx include:_sid.websupport. |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)
Analysis
Hierarchy
letectvi.cz is parent of mailin2.letectvi.cz and mailin1.letectvi.cz.
IP Addresses
letectvi.cz points to a single IP number: 37.9.169.17.
other host names for instance www.gunna.se, kakkutukku.me, galerka.sk, mlocal.eu and novalim.org share IP numbers with letectvi.cz.
Name Servers
letectvi.cz is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
letectvi.cz at least partially shares name servers with other domains, for instance pelea.sk, strudla.sk, balbies.sk, lifereset.sk and literama.sk.
These name servers are commonly used with ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
Host names with two IP numbers:
Host ns1.websupport.sk points to 2a10:bbc0::11 and 45.10.97.11.
Host ns2.websupport.sk points to 2a02:250:3::12 and 185.71.159.12.
Host ns3.websupport.sk points to 2a10:bbc0::13 and 45.10.97.13.
Mail Servers
letectvi.cz is handled by two mail servers: mailin1.letectvi.cz and mailin2.letectvi.cz.
Host names with one IP number:
The host mailin1.letectvi.cz points to 37.9.169.112 and the host mailin2.letectvi.cz points to 37.9.169.111.