chtck.com - robtex.com
chtck.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 | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-06-06 #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=1777082726 | ||||||
Same first word
chtck.com |
Similar names
DNS History
13 records (6 active, 7 former)
●NSns.web4u.cz2026-04-10 → 2026-04-25 · 3 obs
● 2026-04-10 20:53:38
● 2026-04-25 02:22:56
○NSns1.dnsfang.com2017-10-22 → 2017-10-22 · 4 obs
● 2017-10-22 18:06:52
○ 2026-04-10 20:53:38
○ 2026-04-25 02:22:56
○NSns2.dnsfang.com2017-10-22 → 2017-10-22 · 4 obs
● 2017-10-22 18:06:52
○ 2026-04-10 20:53:38
○ 2026-04-25 02:22:56
●NSns2.web4u.cz2026-04-10 → 2026-04-25 · 3 obs
● 2026-04-10 20:53:38
● 2026-04-25 02:22:56
○NSns3.dnsdun.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-10-22 18:06:52
○ 2026-04-25 02:22:56
○NSns4.dnsdun.net2016-12-19 → 2016-12-19 · 3 obs
○ 2017-10-22 18:06:52
○ 2026-04-25 02:22:56
●MXmx1.mailchannels.net2026-04-10 → 2026-04-25 · 3 obs
● 2026-04-10 20:53:38
● 2026-04-25 02:22:56
●MXmx2.mailchannels.net2026-04-10 → 2026-04-25 · 3 obs
● 2026-04-10 20:53:38
● 2026-04-25 02:22:56
○MXrueyou.cn2017-10-22 → 2017-10-22 · 3 obs
○ 2026-04-10 20:53:38
○ 2026-04-25 02:22:56
○A172.107.55.2122016-12-19 → 2016-12-19 · 3 obs
○ 2017-10-22 18:06:52
○ 2026-04-25 02:22:56
●A2001:1568::142026-04-10 → 2026-04-25 · 3 obs
● 2026-04-10 20:53:38
● 2026-04-25 02:22:56
○A47.52.88.262017-10-22 → 2017-10-22 · 4 obs
● 2017-10-22 18:06:52
○ 2026-04-10 20:53:38
○ 2026-04-25 02:22:56
●A81.91.86.142026-04-10 → 2026-04-25 · 3 obs
● 2026-04-10 20:53:38
● 2026-04-25 02:22:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net... | - |
| chtck.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chtck.com (unsigned zone)
⏱️ Timing
Total: 450ms | 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
IP Addresses
chtck.com resolves to two IPs: 2001:1568::14 and 81.91.86.14.
other host names for instance addarise.com, biblezlatokopky.com, maxi-pedia.com, t-magenta.sk and centralfluid.cz share IP numbers with chtck.com.
Name Servers
chtck.com is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
chtck.com shares the same name server setup as other domains, for example voicefruit.com, fasko.org, dhcslavia.cz, eco-ing.cz and mbs25.cz.
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
chtck.com is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
chtck.com shares the same mail server setup as other domains, for instance goldenmothermedicinals.com, mail.erpservicesgroup.com, ausbb.com, thaumatic.com and serugar.com.
chtck.com shares at least partially some mail servers with other domains, for instance myunclaimedfreight.com, mail.gomrok24.com and nicestoryproductions.com.
Host names with a single IP number:
mx1.mailchannels.net points to 54.69.1.140 and mx2.mailchannels.net points to 54.69.1.140.
Host names that point to 54.69.1.140: mx1.mailchannels.net and mx2.mailchannels.net.