grucon.cz - robtex.com
grucon.cz
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1783932440 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○MXalt1.aspmx.l.google.com2015-07-20 → 2016-07-23 · 4 obs
● 2016-07-23 03:13:50
○ 2017-06-21 23:22:26
○ 2026-07-13 09:33:12
○MXalt2.aspmx.l.google.com2015-07-20 → 2016-07-23 · 4 obs
● 2016-07-23 03:13:50
○ 2017-06-21 23:22:26
○ 2026-07-13 09:33:12
●MXaspmx.l.google.com2015-07-20 → 2026-07-13 · 2 obs
● 2026-07-13 09:33:12
○MXaspmx2.googlemail.com2015-07-20 → 2016-07-23 · 4 obs
● 2016-07-23 03:13:50
○ 2017-06-21 23:22:26
○ 2026-07-13 09:33:12
○MXaspmx3.googlemail.com2015-07-20 → 2016-07-23 · 4 obs
● 2016-07-23 03:13:50
○ 2017-06-21 23:22:26
○ 2026-07-13 09:33:12
●MXgrucon-cz.mail.protection.outlook.com2017-06-21 → 2026-07-13 · 3 obs
● 2017-06-21 23:22:26
● 2026-07-13 09:33:12
○A31.15.10.242015-07-20 → 2017-06-21 · 4 obs
● 2017-06-21 23:22:26
○ 2026-06-13 06:30:36
○ 2026-07-13 09:33:12
●A62.109.154.632026-06-13 → 2026-07-13 · 3 obs
● 2026-06-13 06:30:36
● 2026-07-13 09:33:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| grucon.cz | ns1.ignum.com, ns2.ignum.cz | 2 records |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns1.ignum.com, ns2.ignum.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2435ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.109.154.63 |
| NS | 2 | ns1.ignum.com, ns2.ignum.cz |
| MX | 2 | grucon-cz.mail.protection.outlook.com (p, aspmx.l.google.com (pri: 20) |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.ignum.com hostmaster.ignum.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)
Analysis
IP Addresses
grucon.cz directs to one IP number, which is 62.109.154.63.
Among the host names that share IP numbers with grucon.cz are icmc.cz, www.libise.cz, stepis.cz and two others.
Name Servers
The NS records for grucon.cz delegate to ns1.ignum.com and ns2.ignum.cz.
grucon.cz has the same name server delegation as a number of other domains, such as kutilstvi.cz, eccodat.cz, zdlipova.eu and two more.
The name servers of grucon.cz overlap at least partially with those of other domains — among them bentos.cz, neoplan-club.com, catro.net and two more.
These name servers commonly appear in combination with the name servers ns1.webcloud.cz.
ns1.ignum.com resolves to 185.65.223.35 and 2a00:1e40:a:53::5. Likewise, ns2.ignum.cz resolves to 217.31.48.201 and 2001:1ab0:7e1e:2::5 — two IP addresses apiece.
Mail Servers
The MX records for grucon.cz point to two mail servers: aspmx.l.google.com and grucon-cz.mail.protection.outlook.com.
grucon.cz shares at least some of its mail servers with other domains — for example ns500758.ns500698.ns500759.ns500735.ns500736.ns500698.ns500735.ns500698.ns500698.ns500736.ns500698.ns500736.ns500576.ns500576.ns500576.trackreceptor.com, cyberrescue.co.uk, ns500698.ns500759.ns500758.ns500698.ns500759.ns500736.ns500735.ns500736.ns500736.ns500736.ns500698.ns500576.ns500576.ns500686.ns500576.ns500619.trackreceptor.com and two more.
It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Host names resolving to 8 IP numbers:
grucon-cz.mail.protection.outlook.com maps to 52.101.68.16, 52.101.68.32, 52.101.73.11 and 5 additional IP addresses.
Hosts with two IP numbers each:
The A records for aspmx.l.google.com return 192.178.155.26 and 2607:f8b0:4004:c17::1a.