htocars.com - dns.ninja
htocars.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| 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 | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-06 #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=1786823259 | ||||||
Subdomains
nullmx.htocars.com |
Same first word
htocars.com |
Similar names
DNS History
11 records (6 active, 5 former)
●NSns.web4u.cz2026-03-02 → 2026-08-15 · 3 obs
● 2026-03-02 13:21:58
● 2026-08-15 19:52:30
○NSns1.hitfarm.com2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-05 00:20:02
○ 2026-08-15 19:52:30
○NSns2.hitfarm.com2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-05 00:20:02
○ 2026-08-15 19:52:30
●NSns2.web4u.cz2026-03-02 → 2026-08-15 · 3 obs
● 2026-03-02 13:21:58
● 2026-08-15 19:52:30
○NSns3.hitfarm.com2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-05 00:20:02
○ 2026-08-15 19:52:30
●MXmx1.mailchannels.net2026-03-02 → 2026-08-15 · 3 obs
● 2026-03-02 13:21:58
● 2026-08-15 19:52:30
●MXmx2.mailchannels.net2026-03-02 → 2026-08-15 · 3 obs
● 2026-03-02 13:21:58
● 2026-08-15 19:52:30
○MXnullmx.htocars.com2008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-05 00:20:02
○ 2026-08-15 19:52:30
●A2001:1568::142026-03-02 → 2026-08-15 · 3 obs
● 2026-03-02 13:21:58
● 2026-08-15 19:52:30
○A217.68.70.692008-03-20 → 2008-03-20 · 3 obs
○ 2015-11-05 00:20:02
○ 2026-08-15 19:52:30
●A81.91.86.142026-03-02 → 2026-08-15 · 3 obs
● 2026-03-02 13:21:58
● 2026-08-15 19:52:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net... | - |
| htocars.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 htocars.com (unsigned zone)
⏱️ Timing
Total: 1596ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
htocars.com serves as the parent of nullmx.htocars.com.
IP Addresses
htocars.com resolves to the IP addresses 81.91.86.14 and 2001:1568::14
vs229.server4u.cz, whitecom.cz, re-id.org plus two other host names have IP numbers in common with htocars.com.
Name Servers
htocars.com uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.
The name server configuration of htocars.com is shared with other domains, for instance pravesperky.cz, jezat.info, nanastroj.cz and two others.
The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
htocars.com uses two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.
The mail server setup of htocars.com matches that of other domains such as fortalar.com.br, asaindonesia.net, soundmodels.com and two others.
mx1.mailchannels.net directs to 54.69.1.140 and mx2.mailchannels.net directs to 54.187.177.89; each host name points to exactly one IP number.