dstdc.cz - robtex.com
dstdc.cz
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=1786092441 | ||||||
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
○NSdns.iol.cz2008-02-29 → 2008-02-29 · 3 obs
○ 2015-06-03 03:19:08
○ 2026-08-07 08:51:32
●NSns.grdns.cz2015-06-03 → 2026-08-07 · 3 obs
● 2015-06-03 03:19:08
● 2026-08-07 08:51:32
●NSns.grdns.it2015-06-03 → 2026-08-07 · 3 obs
● 2015-06-03 03:19:08
● 2026-08-07 08:51:32
○NSns2.tel.cz2008-02-29 → 2008-02-29 · 3 obs
○ 2015-06-03 03:19:08
○ 2026-08-07 08:51:32
○MXdstdc.cz.bak-mx.eu0107.smtpbak.com2015-06-03 → 2016-12-02 · 5 obs
● 2015-06-03 03:19:08
● 2016-12-02 03:13:30
○ 2026-06-13 09:17:54
○ 2026-08-07 08:51:32
○MXdstdc.cz.pri-mx.eu0107.smtproutes.com2015-06-03 → 2016-12-02 · 5 obs
● 2015-06-03 03:19:08
● 2016-12-02 03:13:30
○ 2026-06-13 09:17:54
○ 2026-08-07 08:51:32
○MXmail.dstdc.cz2008-02-29 → 2008-02-29 · 3 obs
○ 2015-06-03 03:19:08
○ 2026-08-07 08:51:32
●MXmx1.mtaroutes.com2026-06-13 → 2026-08-07 · 3 obs
● 2026-06-13 09:17:54
● 2026-08-07 08:51:32
●MXmx2.mtaroutes.com2026-06-13 → 2026-08-07 · 3 obs
● 2026-06-13 09:17:54
● 2026-08-07 08:51:32
●MXmx3.mtaroutes.com2026-06-13 → 2026-08-07 · 3 obs
● 2026-06-13 09:17:54
● 2026-08-07 08:51:32
●MXmx4.mtaroutes.com2026-06-13 → 2026-08-07 · 3 obs
● 2026-06-13 09:17:54
● 2026-08-07 08:51:32
●A77.78.106.562026-06-13 → 2026-08-07 · 3 obs
● 2026-06-13 09:17:54
● 2026-08-07 08:51:32
○A83.208.22.572015-06-03 → 2016-12-02 · 5 obs
● 2015-06-03 03:19:08
● 2016-12-02 03:13:30
○ 2026-06-13 09:17:54
○ 2026-08-07 08:51:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| dstdc.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
⚠️ Insecure (no DNSSEC)
No DS record for dstdc.cz (unsigned zone)
⏱️ Timing
Total: 1998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.78.106.56 |
| NS | 2 | ns.grdns.cz, ns.grdns.it |
| MX | 4 | mx1.mtaroutes.com (pri: 10), mx2.mtaroutes.com (pri: 20)... |
| TXT | 2 | MS=ms42870009, v=spf1 include:_spf.4ws.cz mx include:sp |
| SOA | 1 | ns.grdns.cz admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)
Analysis
IP Addresses
dstdc.cz points to a single IP number: 77.78.106.56.
Additional host names — acidotechna.cz, planickanastroje.cz, vopss.cz and two others — share IP numbers with dstdc.cz.
Name Servers
Two name servers handle the delegation for dstdc.cz: ns.grdns.cz and ns.grdns.it.
dstdc.cz shares its name server setup with other domains, including obeckraliky.sk, calibra-food.com, carboservis.cz and two others.
dstdc.cz is at least partially co-delegated on name servers with other domains, such as dezerice.sk.
ns.grdns.cz and ns.grdns.it both carry two IP addresses. The A records for ns.grdns.cz are 81.2.194.104 and 2001:15e8:101:1::c268; the A records for ns.grdns.it are 95.110.254.167 and 2a00:6d41:2:1::7.
Mail Servers
Mail for dstdc.cz is handled by four mail servers: mx1.mtaroutes.com, mx2.mtaroutes.com, mx3.mtaroutes.com and mx4.mtaroutes.com.
dstdc.cz shares mail servers — at least in part — with other domains, including industrialservice.it, unlimited-stone.com, saintinc.com and two others.
mx1.mtaroutes.com, mx2.mtaroutes.com, mx3.mtaroutes.com and mx4.mtaroutes.com each resolve to two IP addresses. mx1.mtaroutes.com resolves to 38.71.16.244 and 2001:550:2:61::2fc:100. mx2.mtaroutes.com resolves to 38.89.254.156 and 2001:550:2:61::2fc:100. mx3.mtaroutes.com resolves to 38.71.16.244 and 2001:550:2:3::62:100. mx4.mtaroutes.com resolves to 38.101.250.150 and 2001:550:2:78::ca:100.
mx1.mtaroutes.com along with mx2.mtaroutes.com each resolve to 2001:550:2:61::2fc:100 IP addresses.
mx1.mtaroutes.com along with mx3.mtaroutes.com each resolve to 38.71.16.244 IP addresses.