4os2.com - robtex.com
4os2.com
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=1774383937 | ||||||
Same first word
4os2.com |
Similar names
DNS History
7 records (7 active, 0 former)
●MXmx01.mail.icloud.com2026-02-17 → 2026-03-24 · 2 obs
● 2026-03-24 20:36:42
●MXmx02.mail.icloud.com2026-02-17 → 2026-03-24 · 2 obs
● 2026-03-24 20:36:42
●A203.57.115.1922026-02-17 → 2026-03-24 · 2 obs
● 2026-03-24 20:36:42
●A2404:9400:3:0:216:3eff:fee2:89082026-02-17 → 2026-03-24 · 2 obs
● 2026-03-24 20:36:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| 4os2.com | brizzy.ih36.net, moss.ih36.net, hamar.ih36.net | - |
✅ Authoritative Response
Server:203.18.30.126
NS records: brizzy.ih36.net, moss.ih36.net, hamar.ih36.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.57.115.192 |
| AAAA | 1 | 2404:9400:3:0:216:3eff:fee2:8908 |
| NS | 3 | moss.ih36.net, brizzy.ih36.net... |
| MX | 2 | mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10) |
| TXT | 2 | v=spf1 include:icloud.com ~all, apple-domain=7vUc6NYs8u4qvyES |
| SOA | 1 | moss.ih36.net hostmaster.4os2.com |
Analysis
IP Addresses
4os2.com points to two IP numbers: 2404:9400:3:0:216:3eff:fee2:8908 and 203.57.115.192.
Other host names, such as hamar.ih36.net and hosteng.au, share IP numbers with 4os2.com.
Name Servers
4os2.com is delegated to three name servers: brizzy.ih36.net, hamar.ih36.net and moss.ih36.net.
4os2.com at least partially shares name servers with other domains, for example dnssec.au, slemme.com, ghostmail.no, ih36.com and ilpost.net.
Host names with two IP numbers:
brizzy.ih36.net points to 2404:9400:1:0:216:3eff:fef2:c15a and 203.18.30.126
hamar.ih36.net points to 2404:9400:3:0:216:3eff:fee2:8908 and 203.57.115.192
moss.ih36.net points to 2404:9400:2:0:216:3eff:fee9:918 and 112.213.32.76
Mail Servers
Two mail servers handle 4os2.com: mx01.mail.icloud.com and mx02.mail.icloud.com.
4os2.com shares the same mail server setup as other domains, including organeo.de, slootman.org, miltoncury.com.br, rosenkaimer.com and kambuja.org.
4os2.com shares at least some mail servers with other domains, for example supvienna.com and sishirbaid.com.
Two hosts with six IPs each. Host mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. Host mx02.mail.icloud.com points to the same six.
Hosts that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.
Hosts that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.
Hosts that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.
Hosts that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.
Hosts that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.
Hosts that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.