terco.cz - robtex.com
terco.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2011::5🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.212🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| 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 | mx10.active24.cz ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:85🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.85🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | mx10.active24.cz | ||||||
| MX | mx20.active24.cz(100) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:86🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.86🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | mx20.active24.cz | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.cz -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1772439250 | ||||||
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=1785102442 | ||||||
Subdomains
mx.terco.cz |
Same first word
terco.eu |
terco.net |
terco.org |
terco.com |
terco.se |
terco.biz |
terco.info |
terco.fi |
terco.com.br |
terco.es |
terco.dz |
terco.sk |
terco.ca |
terco.us |
terco.ch |
terco.cz |
terco.be |
terco.de |
terco.pl |
Similar names
DNS History
15 records (7 active, 8 former)
○NSns.forpsi.cz2015-12-18 → 2018-03-17 · 5 obs
● 2015-12-18 22:06:40
● 2018-03-17 15:18:42
○ 2026-06-27 01:18:04
○ 2026-07-26 21:48:38
○NSns.forpsi.it2015-12-18 → 2018-03-17 · 5 obs
● 2015-12-18 22:06:40
● 2018-03-17 15:18:42
○ 2026-06-27 01:18:04
○ 2026-07-26 21:48:38
○NSns.forpsi.net2015-12-18 → 2018-03-17 · 5 obs
● 2015-12-18 22:06:40
● 2018-03-17 15:18:42
○ 2026-06-27 01:18:04
○ 2026-07-26 21:48:38
○NSns.redweb.cz2015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-18 22:06:40
○ 2026-07-26 21:48:38
●NSns1.websupport.cz2026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
○NSns2.redweb.cz2015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-18 22:06:40
○ 2026-07-26 21:48:38
●NSns2.websupport.cz2026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
●NSns3.websupport.eu2026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
○MXbar1.ji.cz2015-08-16 → 2018-03-17 · 4 obs
● 2018-03-17 15:18:42
○ 2026-06-27 01:18:04
○ 2026-07-26 21:48:38
●MXmx10.active24.cz2026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
●MXmx20.active24.cz2026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
○A178.238.37.1852015-12-18 → 2018-03-17 · 5 obs
● 2015-12-18 22:06:40
● 2018-03-17 15:18:42
○ 2026-06-27 01:18:04
○ 2026-07-26 21:48:38
●A2a00:4b40:aaaa:2011::52026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
●A37.9.175.2122026-06-27 → 2026-07-26 · 3 obs
● 2026-06-27 01:18:04
● 2026-07-26 21:48:38
○A37.9.175.32015-08-16 → 2015-08-16 · 3 obs
○ 2015-12-18 22:06:40
○ 2026-07-26 21:48:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz | - |
| terco.cz | ns3.websupport.eu, ns2.websupport.cz, ns1.websupport.cz | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns3.websupport.eu, ns2.websupport.cz, ns1.websupport.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2948ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.212 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::5 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100) |
| TXT | 1 | v=spf1 a mx include:_spf.websupport.cz - |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
mx.terco.cz is a subdomain of terco.cz.
IP Addresses
terco.cz points to the IP addresses 37.9.175.212 and 2a00:4b40:aaaa:2011::5
Among the host names that share IP numbers with terco.cz are proexcel.cz, studioblanche.cz, jpspedition.cz and two others.
Name Servers
Three name servers are authoritative for terco.cz: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
The name servers of terco.cz overlap at least partially with those of other domains — among them thespace.cz, esbe.cz, arida.at and two more.
ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.
Mail Servers
The MX records for terco.cz point to two mail servers: mx10.active24.cz and mx20.active24.cz.
terco.cz has the same mail server arrangement as a number of other domains, for example siap.cz, bernardi.cz, designmp.cz and two more.
Each of the two host names carries two IP addresses: mx10.active24.cz points to 45.13.137.85 and 2a00:4b40:aaaa:2101:45:13:137:85, and mx20.active24.cz points to 45.13.137.86 and 2a00:4b40:aaaa:2101:45:13:137:86.