zemarov.org - robtex.com
zemarov.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:c015:6df3::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 91.98.82.205🇮🇷 Hetzner91.98.0.0/16 HETZNER-DC | ||||||
| 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 | mail.zemarov.org ⭐ | ||||||
| A | 2a01:4f8:c015:6df3::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 91.98.82.205🇮🇷 Hetzner91.98.0.0/16 HETZNER-DC | ||||||
| PTR | static.205.82.98.91.clients.your-server.de | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2026-06-14 #12 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785261416 | ||||||
Subdomains
mail.zemarov.org |
Similar names
DNS History
7 records (5 active, 2 former)
●MXmail.zemarov.org2015-08-08 → 2026-07-28 · 2 obs
● 2026-07-28 18:10:06
○A2001:1568:f::5072015-08-08 → 2020-02-08 · 3 obs
● 2020-02-08 02:22:04
○ 2026-07-28 18:10:06
●A2a01:4f8:c015:6df3::12026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 18:10:06
○A81.91.92.582015-08-08 → 2020-02-08 · 3 obs
● 2020-02-08 02:22:04
○ 2026-07-28 18:10:06
●A91.98.82.2052026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 18:10:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| zemarov.org | ns2.web4u.cz, ns.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns2.web4u.cz, ns.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zemarov.org (unsigned zone)
⏱️ Timing
Total: 775ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.98.82.205 |
| AAAA | 1 | 2a01:4f8:c015:6df3::1 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mail.zemarov.org (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
The domain mail.zemarov.org falls under the parent zemarov.org.
IP Addresses
zemarov.org has two IP addresses: 91.98.82.205 and 2a01:4f8:c015:6df3::1
Other host names, among them mail.zemarov.org and xtf.cz, have IP numbers in common with zemarov.org.
Name Servers
zemarov.org uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.
zemarov.org has the same name server delegation as a number of other domains, such as logiq.cz, financenamiru.com, vostrak.cz and two more.
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
zemarov.org routes its mail through a single mail server, mail.zemarov.org.
zemarov.org and domains like xtf.cz share an identical mail server configuration.
mail.zemarov.org directs to two IP numbers, 91.98.82.205 and 2a01:4f8:c015:6df3::1.