astron.cz - robtex.com
astron.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 91.239.201.14🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot | ||||||
| PTR | rproxy3.thinline.cz | ||||||
| NS | ns.grdns.cz ⭐ | ||||||
| A | 2001:15e8:101:1::c268🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.grdns.cz | ||||||
| A | 81.2.194.104🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.grdns.cz | ||||||
| NS | ns.grdns.it | ||||||
| A | 2a00:6d41:2:1::7🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.grdns.it | ||||||
| A | 95.110.254.167🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | ns.grdns.it | ||||||
| MX | mgw.netlancers.cz ⭐ | ||||||
| A | 109.233.72.36🇨🇿 NETLANCERS-AS109.233.72.0/21 Casablanca INT | ||||||
| PTR | mgw.netlancers.cz | ||||||
| TXT | MS=ms16200578 | ||||||
| TXT | MS=F38447764BDB964CB24ACFDC94D7BD1A67053AE6 | ||||||
| TXT | X9Zk3bA8oTnUMLfwWtEy5gudKepPwf2cfya96O69eSBCgnVQYnUaZVYMDiEfTrHkWXw8+1gLR0xI/... | ||||||
| TXT | v=spf1 mx ip4:90.182.38.194 ip4:90.182.38.200 ip4:3.70.12.138 ip4:52.212.228.... | ||||||
| SOA | ns.grdns.czadmin@grdns.cz 2026-04-09 #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=1775987257 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○MXfm.astron.cz2015-08-03 → 2017-06-04 · 4 obs
● 2017-06-04 05:02:00
○ 2026-04-10 09:18:14
○ 2026-04-12 10:32:00
●MXmgw.netlancers.cz2026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 09:18:14
● 2026-04-12 10:32:00
○MXmx-out.astron.cz2015-08-03 → 2017-06-04 · 4 obs
● 2017-06-04 05:02:00
○ 2026-04-10 09:18:14
○ 2026-04-12 10:32:00
○A46.28.105.1262015-08-03 → 2017-06-04 · 4 obs
● 2017-06-04 05:02:00
○ 2026-04-10 09:18:14
○ 2026-04-12 10:32:00
●A91.239.201.142026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 09:18:14
● 2026-04-12 10:32:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| astron.cz | ns.grdns.cz, ns.grdns.it | 2 records |
✅ Authoritative Response
Server:81.2.194.104
NS records: ns.grdns.cz, ns.grdns.it
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1662ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.239.201.14 |
| NS | 2 | ns.grdns.cz, ns.grdns.it |
| MX | 1 | mgw.netlancers.cz (pri: 10) |
| TXT | 4 | MS=ms16200578, MS=F38447764BDB964CB24ACFDC94D7BD1A67053... |
| SOA | 1 | ns.grdns.cz admin.grdns.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)
Analysis
IP Addresses
astron.cz resolves to one IP number: 91.239.201.14.
Other host names, for instance eagleservice.cz, zkusto.cz, florbalnachod.cz, specialist.cz and seleziani.cz share IP numbers with astron.cz.
Name Servers
astron.cz's delegation uses two name servers: ns.grdns.cz and ns.grdns.it.
astron.cz uses the same name server setup as other domains, such as mojecalibra.cz, graphico.cz, stock-trade.cz, infobus.cz and octalsys.cz.
Host names with two IPs:
ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104
ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167
Mail Servers
A single mail server handles astron.cz, mgw.netlancers.cz.
astron.cz shares the same mail server setup as other domains, for instance karavany-lovosice.cz, skill.cz, bohemialignum.cz, netlancers.cz and lamikappa.cz.
astron.cz shares some mail servers with other domains, at least in part; for example rovnatka-litomerice.cz and netlane.cz.
Host name mgw.netlancers.cz resolves to a single IP: 109.233.72.36.