colabcf.com - dns.ninja
colabcf.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 108.143.152.154🇳🇱 Microsoft108.140.0.0/14 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | colabcf.com ⭐ | ||||||
| A | 108.143.152.154🇳🇱 Microsoft108.140.0.0/14 | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2024-04-06 #4 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786518069 | ||||||
MX for
colabcf.com |
Same first word
colabcf.com |
Similar names
DNS History
4 records (4 active, 0 former)
●MXcolabcf.com2026-05-02 → 2026-08-12 · 2 obs
● 2026-08-12 07:05:40
●A108.143.152.1542026-05-02 → 2026-08-12 · 2 obs
● 2026-08-12 07:05:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net... | - |
| colabcf.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for colabcf.com (unsigned zone)
⏱️ Timing
Total: 809ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 108.143.152.154 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | colabcf.com (pri: 0) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Mail Server Role
colabcf.com is listed as a mail server for itself.
IP Addresses
colabcf.com resolves to one IP address: 108.143.152.154.
Name Servers
colabcf.com has two authoritative name servers — ns2.web4u.cz and ns.web4u.cz.
colabcf.com uses the same name servers as several other domains — among them profarm.sk, freightpeople.eu, chezmarcel.cz and two more.
Both ns2.web4u.cz and ns.web4u.cz have two IP addresses each. ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12; ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
Mail for colabcf.com is handled by one mail server — colabcf.com.
colabcf.com points to one IP number — 108.143.152.154.