kolo4u.com - robtex.com
kolo4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1ab0:7e1e:151::58🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | dw078.webglobe.com | ||||||
| A | 62.109.151.58🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| NS | ns1.ignum.com ⭐ | ||||||
| A | 2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| A | 185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| NS | ns2.ignum.cz | ||||||
| A | 2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| A | 217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| MX | email2.ignum.cz ⭐ | ||||||
| A | 185.102.21.66🇨🇿 ONE-NETWORK185.102.21.0/24 | ||||||
| PTR | mx-lb-bra.core.webglobe.com | ||||||
| MX | email.ignum.cz(20) | ||||||
| A | 62.109.151.89🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| TXT | v=spf1 include:_spf.ignum.cz ~all | ||||||
| SOA | ns1.ignum.comhostmaster@ignum.cz 2021-07-07 #1 | ||||||
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=1774413007 | ||||||
Same first word
Similar names
look4u.cz |
4ulook.cn |
ulook4.com |
look4u.ru |
look4u.ro |
ulook4.gr |
look4u.it |
look4u.com |
look4u.biz |
look4u.net |
look4u.cn |
look4u.pl |
look4u.at |
kool4u.com.au |
4ulook.com |
look4u.de |
DNS History
8 records (6 active, 2 former)
○A2001:1ab0:7e1e:1::682020-03-24 → 2020-03-24 · 3 obs
○ 2026-02-21 15:37:44
○ 2026-03-25 04:37:54
●A2001:1ab0:7e1e:151::582026-02-21 → 2026-03-25 · 3 obs
● 2026-02-21 15:37:44
● 2026-03-25 04:37:54
○A217.31.62.682020-03-24 → 2020-03-24 · 3 obs
○ 2026-02-21 15:37:44
○ 2026-03-25 04:37:54
●A62.109.151.582026-02-21 → 2026-03-25 · 3 obs
● 2026-02-21 15:37:44
● 2026-03-25 04:37:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kolo4u.com | ns2.ignum.cz, ns1.ignum.com | 2 records |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns2.ignum.cz, ns1.ignum.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kolo4u.com (unsigned zone)
⏱️ Timing
Total: 628ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.109.151.58 |
| AAAA | 1 | 2001:1ab0:7e1e:151::58 |
| NS | 2 | ns1.ignum.com, ns2.ignum.cz |
| MX | 2 | email2.ignum.cz (pri: 20), email.ignum.cz (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.ignum.cz ~all |
| SOA | 1 | ns1.ignum.com hostmaster.ignum.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.ignum.com, ns1.ignum.com)
Analysis
IP Addresses
kolo4u.com resolves to two IPs: 2001:1ab0:7e1e:151::58 and 62.109.151.58.
other host names for instance ignum.info, juvi.cz, dancezone.org, laboko.cz and www.spov-pk.cz share IP numbers with kolo4u.com.
Name Servers
kolo4u.com is delegated to two name servers: ns1.ignum.com and ns2.ignum.cz.
kolo4u.com shares the same name server setup as other domains, for example alternativnitruhlarstvi.cz, docbook.cz, iphonek.cz, narodnikvalifikace.cz and siegl.eu.
kolo4u.com at least partially shares name servers with other domains, for instance ngn.cz, terramia.cz, fotovoltaika.cz, landcruiser.cz and siesta-fulnek.cz.
Host names with two IP numbers:
ns1.ignum.com points to 2a00:1e40:a:53::5 and 185.65.223.35
ns2.ignum.cz points to 2001:1ab0:7e1e:2::5 and 217.31.48.201
Mail Servers
kolo4u.com is handled by two mail servers: email2.ignum.cz and email.ignum.cz.
kolo4u.com shares the same mail server setup as other domains, for instance lynx-motors.net, nms-cz.com, lipolyza.cz, riviera-rohan.com and twinelo.com.
kolo4u.com shares at least partially some mail servers with other domains, for example gymhost.cz, 2fresh.design, canvit.cz and czech-holiday-prague.cz.
Host names with one IP number:
The host email2.ignum.cz points to 185.102.21.66 and the host email.ignum.cz points to 62.109.151.89.