ulisky.com - robtex.com
ulisky.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.86.11🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php5.web4u.cz | ||||||
| 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 2025-05-02 #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=1774863697 | ||||||
Subdomains
Same first word
ulisky.com |
Similar names
DNS History
7 records (5 active, 2 former)
○MXmail.ulisky.com2015-05-28 → 2017-02-04 · 4 obs
● 2017-02-04 15:09:50
○ 2020-01-08 02:33:02
○ 2026-03-30 09:46:34
○MXmx.web4u.cz2020-01-08 → 2021-09-06 · 5 obs
● 2020-01-08 02:33:02
● 2021-09-06 07:10:58
○ 2026-03-04 21:23:32
○ 2026-03-30 09:46:34
●MXmx1.mailchannels.net2026-03-04 → 2026-03-30 · 3 obs
● 2026-03-04 21:23:32
● 2026-03-30 09:46:34
●MXmx2.mailchannels.net2026-03-04 → 2026-03-30 · 3 obs
● 2026-03-04 21:23:32
● 2026-03-30 09:46:34
●A81.91.86.112015-05-28 → 2026-03-30 · 2 obs
● 2026-03-30 09:46:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ulisky.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 ulisky.com (unsigned zone)
⏱️ Timing
Total: 738ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.11 |
| 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
Hierarchy
ulisky.com is the parent of www.ulisky.com and mail.ulisky.com.
IP Addresses
ulisky.com resolves to a single IP: 81.91.86.11.
Other host names, for instance extima.eu, unassigned-81-91-85-192.web4u.cz, unassigned-82-208-36-74.web4u.cz, ingersoll.cz and unassigned-81-91-83-241.web4u.cz share IP numbers with ulisky.com.
Name Servers
ulisky.com has two name servers: ns2.web4u.cz and ns.web4u.cz.
ulisky.com shares the same name server setup as other domains, for example hering.cz, zs-davle.cz, replaywell.eu, wwd.cz and sombrio.eu.
ulisky.com partially shares name servers with other domains, for instance adlof.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
ulisky.com is served by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
ulisky.com shares the mail server setup with other domains, for example animalsdb.com, giblert.com, foxlink.cz, mother-material.com and masterwoodcarver.com.
ulisky.com shares some mail servers with other domains, at least partially, for instance a-tacs.com, labsaenzrenauld.com and dogwoodmarket.com.
Host names with one IP number:
mx1.mailchannels.net points to: 54.69.1.140
mx2.mailchannels.net points to: 54.69.1.140
Names pointing to 54.69.1.140: mx1.mailchannels.net and mx2.mailchannels.net