colliers.cz - robtex.com
colliers.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.208.211.17🇳🇱 COLT213.208.192.0/18 -NL | ||||||
| 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 | mx0a-0025eb03.pphosted.com ⭐ | ||||||
| A | 148.163.150.28🇺🇸 Proofpoint148.163.148.0/22 | ||||||
| PTR | mx0a-0025eb03.pphosted.com | ||||||
| MX | mx0b-0025eb03.pphosted.com ⭐ | ||||||
| A | 148.163.153.35🇺🇸 Proofpoint148.163.152.0/22 | ||||||
| PTR | mx0b-0025eb03.pphosted.com | ||||||
| TXT | v=spf1 -all | ||||||
| TXT | MS=ms42477899 | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1783928762 | ||||||
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=1785044839 | ||||||
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSalfa.ns.active24.cz2015-05-28 → 2017-01-30 · 4 obs
● 2017-01-30 09:40:46
○ 2026-05-17 11:31:22
○ 2026-07-26 06:12:38
○NSbeta.ns.active24.cz2015-05-28 → 2017-01-30 · 4 obs
● 2017-01-30 09:40:46
○ 2026-05-17 11:31:22
○ 2026-07-26 06:12:38
○NSgama.ns.active24.sk2015-05-28 → 2017-01-30 · 4 obs
● 2017-01-30 09:40:46
○ 2026-05-17 11:31:22
○ 2026-07-26 06:12:38
○NSns.globe.cz2015-05-28 → 2017-01-30 · 4 obs
● 2017-01-30 09:40:46
○ 2026-05-17 11:31:22
○ 2026-07-26 06:12:38
●NSns1.websupport.cz2026-05-17 → 2026-07-26 · 3 obs
● 2026-05-17 11:31:22
● 2026-07-26 06:12:38
●NSns2.websupport.cz2026-05-17 → 2026-07-26 · 3 obs
● 2026-05-17 11:31:22
● 2026-07-26 06:12:38
●NSns3.websupport.eu2026-05-17 → 2026-07-26 · 3 obs
● 2026-05-17 11:31:22
● 2026-07-26 06:12:38
○MXcolliers-com.mail.protection.outlook.com2016-01-04 → 2017-01-30 · 5 obs
● 2016-01-04 10:33:48
● 2017-01-30 09:40:46
○ 2026-05-17 11:31:22
○ 2026-07-26 06:12:38
○MXmsx1.colliersit.eu2015-05-28 → 2015-10-17 · 4 obs
● 2015-10-17 01:52:46
○ 2016-01-04 10:33:48
○ 2026-07-26 06:12:38
●MXmx0a-0025eb03.pphosted.com2026-05-17 → 2026-07-26 · 3 obs
● 2026-05-17 11:31:22
● 2026-07-26 06:12:38
●MXmx0b-0025eb03.pphosted.com2026-05-17 → 2026-07-26 · 3 obs
● 2026-05-17 11:31:22
● 2026-07-26 06:12:38
○A193.179.1.1102015-05-28 → 2017-01-30 · 4 obs
● 2017-01-30 09:40:46
○ 2026-05-17 11:31:22
○ 2026-07-26 06:12:38
●A213.208.211.172026-05-17 → 2026-07-26 · 3 obs
● 2026-05-17 11:31:22
● 2026-07-26 06:12:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| colliers.cz | ns2.websupport.cz, ns3.websupport.eu, ns1.websupport.cz | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns2.websupport.cz, ns3.websupport.eu, ns1.websupport.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for colliers.cz (unsigned zone)
⏱️ Timing
Total: 648ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.208.211.17 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx0a-0025eb03.pphosted.com (pri: 0), mx0b-0025eb03.pphosted.com (pri: 0) |
| TXT | 2 | v=spf1 -all, MS=ms42477899 |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
colliers.cz has exactly one IP address — 213.208.211.17.
Further host names like colliers.sk and domino.colliers.ro overlap in IP numbers with colliers.cz.
Name Servers
colliers.cz is served by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
There is at least partial name server overlap between colliers.cz and other domains — shoc.cz, 4outdoor.cz, md24.cz and two more among them.
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
colliers.cz uses two mail servers, mx0a-0025eb03.pphosted.com and mx0b-0025eb03.pphosted.com.
The mail server setup of colliers.cz matches that of other domains such as colliers.co.nz, colliers.com.au, colliers.ro and two others.
At least some of the mail servers used by colliers.cz are shared with other domains: colliers.com, colliers.com.cdn.cloudflare.net, colliers.ie and two others among them.
These mail servers are routinely seen in conjunction with the mail servers mxa-0025eb03.gslb.pphosted.com and mxb-0025eb03.gslb.pphosted.com.
mx0a-0025eb03.pphosted.com → 148.163.150.28 and mx0b-0025eb03.pphosted.com → 148.163.153.35: one IP number per host name.