korzar.com - robtex.com
korzar.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.105.81.113🇩🇪 AKAMAI-LINODE-AP172.105.64.0/19 Akamai Technologies | ||||||
| PTR | li2042-113.members.linode.com | ||||||
| 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 | mx1.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| TXT | v=spf1 include:_spf.web4u.cz ~all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-03 #0 | ||||||
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=1778612551 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns.web4u.cz2015-07-13 → 2026-05-12 · 3 obs
● 2015-07-13 16:57:00
● 2026-05-12 19:28:00
●NSns2.web4u.cz2015-07-13 → 2026-05-12 · 3 obs
● 2015-07-13 16:57:00
● 2026-05-12 19:28:00
○MXmail.korzar.com2015-07-13 → 2016-12-18 · 4 obs
● 2015-07-13 16:57:00
● 2016-12-18 23:26:48
○ 2026-05-12 19:28:00
●MXmx1.mailchannels.net2026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 19:28:00
●MXmx2.mailchannels.net2026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 19:28:00
●A172.105.81.1132026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 19:28:00
○A81.91.86.112015-07-13 → 2016-12-18 · 4 obs
● 2015-07-13 16:57:00
● 2016-12-18 23:26:48
○ 2026-05-12 19:28:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net... | - |
| korzar.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 korzar.com (unsigned zone)
⏱️ Timing
Total: 1006ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.105.81.113 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.web4u.cz ~all |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
korzar.com points to a single IP address: 172.105.81.113.
Other host names such as li2042-113.members.linode.com and restauraceabc.cz share IP numbers with korzar.com.
Name Servers
korzar.com is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
korzar.com uses the same name server setup as other domains, including good.cz, gluemore.com, suenara.com, fispogroup.eu and hanysek.eu.
Host names with two IP numbers:
ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.
ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
korzar.com is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
korzar.com uses the same mail server setup as other domains, for instance gregstaker.com, toburen.com, dopus.com, facingtheborg.com and neuvokkaat.com.
korzar.com shares some mail servers with other domains at least partially, for example azzo.se, solvicom.com and pixell.net.
Host names sharing a single IP: mx1.mailchannels.net and mx2.mailchannels.net point to 54.69.1.140.