holetin.net - robtex.com
holetin.net
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | kremilek.zeron.cz ⭐ | ||||||
| A | 85.163.105.252🇨🇿 CETIN-AS85.163.0.0/16 CETIN | ||||||
| PTR | kremilek.zeron.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2010-08-02 #1 | ||||||
net
| 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=1782270180 | ||||||
Same first word
holetin.net |
Similar names
DNS History
7 records (3 active, 4 former)
○NSdns11.parkpage.foundationapi.com2016-01-06 → 2016-01-06 · 4 obs
● 2016-01-06 16:06:42
○ 2016-04-02 10:44:46
○ 2026-06-24 03:25:22
○NSdns12.parkpage.foundationapi.com2016-01-06 → 2016-01-06 · 4 obs
● 2016-01-06 16:06:42
○ 2016-04-02 10:44:46
○ 2026-06-24 03:25:22
●NSns.web4u.cz2015-06-22 → 2026-06-24 · 5 obs
● 2015-10-29 10:53:54
○ 2016-01-06 16:06:42
● 2016-04-02 10:44:46
● 2026-06-24 03:25:22
●NSns2.web4u.cz2015-06-22 → 2026-06-24 · 5 obs
● 2015-10-29 10:53:54
○ 2016-01-06 16:06:42
● 2016-04-02 10:44:46
● 2026-06-24 03:25:22
●MXkremilek.zeron.cz2026-06-16 → 2026-06-24 · 3 obs
● 2026-06-16 23:48:32
● 2026-06-24 03:25:22
○MXmail.holetin.net2015-10-29 → 2017-06-20 · 6 obs
○ 2016-01-06 16:06:42
● 2016-04-02 10:44:46
● 2017-06-20 12:00:26
○ 2026-06-16 23:48:32
○ 2026-06-24 03:25:22
○A209.99.40.2232016-01-06 → 2016-01-06 · 3 obs
○ 2016-04-02 10:44:46
○ 2026-06-24 03:25:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| holetin.net | 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 holetin.net (unsigned zone)
⏱️ Timing
Total: 1630ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | kremilek.zeron.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Name Servers
The NS records for holetin.net delegate to ns2.web4u.cz and ns.web4u.cz.
holetin.net shares its NS records with other domains, for example topdesigners.cz, pizzarozvoz.cz, heritagetravel.cz and two others.
ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12. Likewise, ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241 — two IP addresses apiece.
Mail Servers
The sole mail server for holetin.net is kremilek.zeron.cz.
Other domains such as ktstrade.cz, charmander.cz and hlinecko.cz share the same mail server setup as holetin.net.
kremilek.zeron.cz resolves to 85.163.105.252 and no other IP number.