4cos.eu - robtex.com
4cos.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 148.105.251.19🇺🇸 THEROCKETSCIENCEGROUP148.105.251.0/24 | ||||||
| NS | ns.forpsi.net ⭐ | ||||||
| A | 2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.net | ||||||
| A | 81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.forpsi.net | ||||||
| NS | ns.forpsi.cz | ||||||
| A | 2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.cz | ||||||
| A | 81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24 | ||||||
| PTR | ns.forpsi.cz | ||||||
| NS | ns.forpsi.it | ||||||
| A | 2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.forpsi.it | ||||||
| A | 95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | host165-254-110-95.serverdedicati.aruba.it | ||||||
| MX | mxavas.forpsi.com ⭐ | ||||||
| A | 81.2.195.200🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | mxavas.forpsi.com | ||||||
| TXT | MS=ms91036330 | ||||||
| TXT | v=spf1 a mx include:_spf.forpsi.com ~all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-05-08 #1 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1124060816 | ||||||
Same first word
Similar names
4sco.com |
cos4.com |
4ocs.us |
4cso.com |
soc4.com |
c4so.org |
4ocs.com |
oc4s.com |
co4s.net |
4soc.net |
soc4.cn |
os4c.com |
4soc.com |
osc4.com |
co4s.com |
c4so.com |
sco4.de |
s4co.com |
DNS History
5 records (5 active, 0 former)
●NSns.forpsi.net2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 17:58:02
●MXmxavas.forpsi.com2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 17:58:02
●A148.105.251.192026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 17:58:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| 4cos.eu | ns.forpsi.cz, ns.forpsi.net, ns.forpsi.it | - |
✅ Authoritative Response
Server:81.2.209.185
NS records: ns.forpsi.cz, ns.forpsi.net, ns.forpsi.it
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1012ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.105.251.19 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mxavas.forpsi.com (pri: 10) |
| TXT | 2 | MS=ms91036330, v=spf1 a mx include:_spf.forpsi.com ~all |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
Analysis
IP Addresses
4cos.eu points to an IP address: 148.105.251.19.
other host names include mentorpublications.org, subsume.studio, rodo-computer.ch, paulorna.com and radcliffeboroughsc.org; they share IP numbers with 4cos.eu.
Name Servers
4cos.eu is delegated to three name servers ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
4cos.eu at least partially shares name servers with other domains, for instance kvetinka.eu, ivankrivanek.com, efipalace.cz, levelup.hu and revnice.cz.
These name servers are commonly used alongside ns.forpsi.us.
Host names with two IP numbers:
ns.forpsi.cz points to 2001:15e8:201:1::d1b9 and 81.2.209.185; ns.forpsi.it points to 2a00:6d41:2:1::5 and 95.110.254.165; ns.forpsi.net points to 2001:15e8:101:1::c282 and 81.2.194.130.
Mail Servers
4cos.eu is handled by a single mail server, mxavas.forpsi.com.
4cos.eu uses the same mail server setup as other domains, for instance microcon.cz, celestapraha.cz, ebip.hu, manonn.com and skladio.cz.
The host name mxavas.forpsi.com points to IP 81.2.195.200.