1fotograf.net - robtex.com
1fotograf.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.86.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php53.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 | mx.web4u.cz ⭐ | ||||||
| A | 2001:1568::7012🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mx.web4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2013-01-04 #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=1778830876 | ||||||
Same first word
1fotograf.net |
1fotograf.cz |
DNS History
5 records (4 active, 1 former)
○MXmail.1fotograf.net2015-08-14 → 2017-04-08 · 4 obs
● 2017-04-08 13:32:42
○ 2026-02-20 06:16:42
○ 2026-05-15 07:48:08
●MXmx.web4u.cz2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 06:16:42
● 2026-05-15 07:48:08
●A81.91.86.122015-08-14 → 2026-05-15 · 2 obs
● 2026-05-15 07:48:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 1fotograf.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 1fotograf.net (unsigned zone)
⏱️ Timing
Total: 1460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.12 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
1fotograf.net points to IP number: 81.91.86.12.
Other host names such as kolkovna.kz, dpbk.cz, auto-dum.cz, www.brzek.cz and icompany.cz share IPs with 1fotograf.net.
Name Servers
1fotograf.net is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
1fotograf.net shares the same name server setup as vyrobavlajek.com, maceline.com, podlahove-topeni.cz, myjoys.cz and dsholding.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
1fotograf.net is handled by a single mail server, mx.web4u.cz.
The mail server setup for 1fotograf.net matches that of other domains, for instance zemarov.web4u.cz, futurama.cz, webaccess-dmp.com, myslivcuvobchod.cz and perfectship.com.
1fotograf.net shares some mail servers with other domains, for instance skiklinovec.cz, retailguide.cz and chataorlik.cz.
mx.web4u.cz points to two IPs: 2001:1568::7012 and 81.91.87.12.