arcao.com - robtex.com
arcao.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1528:240::1f🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | neuron.blueboard.cz | ||||||
| A | 217.11.249.141🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT | ||||||
| NS | shinzon.blueboard.cz ⭐ | ||||||
| A | 2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | shinzon.blueboard.cz | ||||||
| A | 178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| NS | ns2.blueboard.cz | ||||||
| A | 2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| MX | mx.blueboard.cz ⭐ | ||||||
| A | 2001:1528:240::ca🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | mx.blueboard.cz | ||||||
| A | 81.0.209.130🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT | ||||||
| PTR | mx.blueboard.cz | ||||||
| TXT | google-site-verification=pbB_MnranpbBChgP-ICydoAYUnFEZBqnl3QqxnZjI2Y | ||||||
| TXT | v=spf1 a mx include:spf.blueboard.cz -all | ||||||
| SOA | shinzon.blueboard.czhostmaster@blueboard.cz 2015-11-31 #36 | ||||||
com
| 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=1784218942 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSns.onebit.cz2015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
○NSns.onebit.eu2015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
○NSns.onebit.org2015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
●NSns2.blueboard.cz2015-12-28 → 2026-07-16 · 3 obs
● 2015-12-28 07:28:54
● 2026-07-16 16:32:44
●NSshinzon.blueboard.cz2015-12-28 → 2026-07-16 · 3 obs
● 2015-12-28 07:28:54
● 2026-07-16 16:32:44
○MXjaguar.blueboard.cz2015-12-28 → 2017-06-14 · 5 obs
● 2015-12-28 07:28:54
● 2017-06-14 22:07:48
○ 2026-06-30 19:50:52
○ 2026-07-16 16:32:44
○MXmail5.onebit.cz2015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
●MXmx.blueboard.cz2026-06-30 → 2026-07-16 · 3 obs
● 2026-06-30 19:50:52
● 2026-07-16 16:32:44
○MXmx5.onebit.org2015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
○MXns2.blueboard.cz2015-12-28 → 2017-06-14 · 5 obs
● 2015-12-28 07:28:54
● 2017-06-14 22:07:48
○ 2026-06-30 19:50:52
○ 2026-07-16 16:32:44
●A2001:1528:240::1f2015-12-28 → 2026-07-16 · 3 obs
● 2015-12-28 07:28:54
● 2026-07-16 16:32:44
●A217.11.249.1412015-12-28 → 2026-07-16 · 3 obs
● 2015-12-28 07:28:54
● 2026-07-16 16:32:44
○A2a01:430:13::912015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
○A81.31.45.912015-08-28 → 2015-10-24 · 4 obs
● 2015-10-24 08:02:06
○ 2015-12-28 07:28:54
○ 2026-07-16 16:32:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net... | - |
| arcao.com | shinzon.blueboard.cz, ns2.blueboard.cz | - |
✅ Authoritative Response
Server:178.251.187.7
NS records: shinzon.blueboard.cz, ns2.blueboard.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for arcao.com (unsigned zone)
⏱️ Timing
Total: 941ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.249.141 |
| AAAA | 1 | 2001:1528:240::1f |
| NS | 2 | ns2.blueboard.cz, shinzon.blueboard.cz |
| MX | 1 | mx.blueboard.cz (pri: 10) |
| TXT | 2 | google-site-verification=pbB_MnranpbBChg, v=spf1 a mx include:spf.blueboard.cz -al |
| SOA | 1 | shinzon.blueboard.cz hostmaster.blueboar |
Analysis
IP Addresses
arcao.com points to the IP addresses 217.11.249.141 and 2001:1528:240::1f
Two other host names, along with www.schodybastar.cz, ra2.gull.sk and netsmart.cz, also share IP numbers with arcao.com.
Name Servers
arcao.com has two authoritative name servers — ns2.blueboard.cz and shinzon.blueboard.cz.
arcao.com shares its NS records with other domains, for example taxametr.com, plevel.info, sebranice.eu and two others.
The name servers of arcao.com overlap at least partially with those of other domains — among them ebyznys.eu, rockmag.cz, lis-na-plasty.cz and two more.
These name servers commonly co-occur with the name servers jaguar.blueboard.cz, ns2.miniserver.cz, server.it-client.cz and server.danov.cz.
Both ns2.blueboard.cz and shinzon.blueboard.cz have two IP addresses each. ns2.blueboard.cz resolves to 195.201.57.122 and 2a01:4f8:13b:8d4::2; shinzon.blueboard.cz resolves to 178.251.187.7 and 2a00:1ed0:45::b.
Mail Servers
The sole mail server for arcao.com is mx.blueboard.cz.
Among the domains sharing a mail server setup with arcao.com are firit.cz, atakuklid.cz, sirop.cz and two others.
mx.blueboard.cz resolves to two IP numbers — 81.0.209.130 and 2001:1528:240::ca.