cloud2air.cz - robtex.com
cloud2air.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 89.187.141.223🇨🇿 COOLHOUSING-AS89.187.140.0/23 Network of Coolhousing | ||||||
| PTR | cloud2air.cz | ||||||
| NS | ns1.ignum.com ⭐ | ||||||
| A | 2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| A | 185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| NS | ns2.ignum.cz | ||||||
| A | 2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| A | 217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| MX | mail01.cloud2air.cz ⭐ | ||||||
| TXT | MS=ms57618832 | ||||||
| TXT | v=spf1 ipv4:89.187.141.223 ipv4:89.187.141.224 ip6:2a01:5f0:c001:121:8::aaaa ... | ||||||
| SOA | ns1.ignum.comhostmaster@ignum.cz 2026-05-01 #1 | ||||||
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=1778327233 | ||||||
PTR for
Subdomains
Same first word
cloud2air.com |
cloud2air.cz |
DNS History
8 records (4 active, 4 former)
○MXmail.cloud2air.cz2017-01-14 → 2018-06-14 · 4 obs
● 2018-06-14 13:27:40
○ 2026-02-16 23:33:46
○ 2026-05-09 12:09:54
●MXmail01.cloud2air.cz2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 23:33:46
● 2026-05-09 12:09:54
○MXmail2.cloud2air.cz2018-06-14 → 2018-06-14 · 4 obs
● 2018-06-14 13:27:40
○ 2026-02-16 23:33:46
○ 2026-05-09 12:09:54
●A89.187.141.2232026-03-25 → 2026-05-09 · 3 obs
● 2026-03-25 06:50:30
● 2026-05-09 12:09:54
○A89.187.141.2542026-02-16 → 2026-03-09 · 5 obs
● 2026-02-16 23:33:46
● 2026-03-09 19:27:34
○ 2026-03-25 06:50:30
○ 2026-05-09 12:09:54
○A91.201.22.452017-01-14 → 2018-06-14 · 4 obs
● 2018-06-14 13:27:40
○ 2026-02-16 23:33:46
○ 2026-05-09 12:09:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| cloud2air.cz | ns1.ignum.com, ns2.ignum.cz | 2 records |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns1.ignum.com, ns2.ignum.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2248ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.187.141.223 |
| NS | 2 | ns2.ignum.cz, ns1.ignum.com |
| MX | 1 | mail01.cloud2air.cz (pri: 10) |
| TXT | 2 | v=spf1 ipv4:89.187.141.223 ipv4:89.187.1, MS=ms57618832 |
| SOA | 1 | ns1.ignum.com hostmaster.ignum.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)
Analysis
Hierarchy
cloud2air.cz is parent of cloud01.cloud2air.cz and mail01.cloud2air.cz.
IP Addresses
cloud2air.cz resolves to a single IP address: 89.187.141.223.
Other host names including mail.itprojekt.eu, cloud01.cloud2air.cz, cool-it-one.cz, cloud01.c2a.cloud and c2a.cloud share IP numbers with cloud2air.cz.
Name Servers
cloud2air.cz's delegation uses two name servers, ns1.ignum.com and ns2.ignum.cz.
cloud2air.cz shares the same name server setup as other domains, for example epm.cz, allcruises.cz, speedbox-tuning.com, pneu-matej.cz and telwin.cz.
cloud2air.cz at least partially shares name servers with other domains, including itti.cz, multio.cz, terrakoruna.eu, classicpension.cz and zs-nemcicky.cz.
these name servers are commonly used with ns1.webcloud.cz, ns1.ignum.eu, ns2.ignum.eu, ns3.ignum.eu and ns2.webcloud.cz.
Host names with two IPs:
ns1.ignum.com points to: 2a00:1e40:a:53::5 and 185.65.223.35
ns2.ignum.cz points to: 2001:1ab0:7e1e:2::5 and 217.31.48.201
Mail Servers
cloud2air.cz is handled by a single mail server, mail01.cloud2air.cz.
cloud2air.cz shares at least partially some mail servers with other domains, for instance itprojekt.eu, cool-it-one.cz and c2a.cloud.
these mail servers are commonly used alongside the mail servers mail02.cloud2air.cz.