code4us.com - robtex.com
code4us.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.169.190.220🇺🇸 AS398101192.169.188.0/22 | ||||||
| PTR | 220.190.169.192.host.secureserver.net | ||||||
| NS | ns1.dicianu.com ⭐ | ||||||
| A | 192.169.190.220🇺🇸 AS398101192.169.188.0/22 | ||||||
| PTR | 220.190.169.192.host.secureserver.net | ||||||
| NS | ns2.dicianu.com | ||||||
| A | 3.211.212.247🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-211-212-247.compute-1.amazonaws.com | ||||||
| NS | ns3.dicianu.com | ||||||
| A | 184.168.22.72🇺🇸 AS398101184.168.20.0/22 | ||||||
| PTR | 72.22.168.184.host.secureserver.net | ||||||
| MX | mail.code4us.com ⭐ | ||||||
| A | 52.55.226.38🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix | ||||||
| PTR | ec2-52-55-226-38.compute-1.amazonaws.com | ||||||
| MX | smtp.code4us.com(20) | ||||||
| A | 52.55.226.38🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix | ||||||
| PTR | ec2-52-55-226-38.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 a mx ptr mx:code4us.com include:secureserver.net ~all | ||||||
| SOA | ns1.dicianu.comdragos@dicianu.com 2006-09-10 #22 | ||||||
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=1771291435 | ||||||
Subdomains
Same first word
code4us.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.dicianu.com2015-08-04 → 2026-03-24 · 2 obs
● 2026-03-24 01:54:32
●NSns2.dicianu.com2015-08-04 → 2026-03-24 · 2 obs
● 2026-03-24 01:54:32
●NSns3.dicianu.com2015-08-04 → 2026-03-24 · 2 obs
● 2026-03-24 01:54:32
●MXmail.code4us.com2015-08-04 → 2026-03-24 · 2 obs
● 2026-03-24 01:54:32
●MXsmtp.code4us.com2015-08-04 → 2026-03-24 · 2 obs
● 2026-03-24 01:54:32
●A192.169.190.2202026-02-15 → 2026-03-24 · 3 obs
● 2026-02-15 21:46:18
● 2026-03-24 01:54:32
○A72.167.142.2252015-08-04 → 2017-04-11 · 4 obs
● 2017-04-11 05:24:34
○ 2026-02-15 21:46:18
○ 2026-03-24 01:54:32
🔍 DNS Trace
Analysis
Hierarchy
code4us.com is a parent of smtp.code4us.com, www.code4us.com and mail.code4us.com.
IP Addresses
code4us.com resolves to a single IP address: 192.169.190.220.
Other host names including ns1.myemailtracking.com, www.myemailtracking.com, dicianu.com, www.code4us.com and 220.190.169.192.host.secureserver.net share IP numbers with code4us.com.
Name Servers
code4us.com is delegated to three name servers: ns1.dicianu.com, ns2.dicianu.com and ns3.dicianu.com.
code4us.com partially shares its name servers with other domains, for example dicianu.com and taxilio.com.
These name servers are commonly used with ns2.myemailtracking.com and ns3.myemailtracking.com.
Hostnames with a single IP:
ns1.dicianu.com points to: 192.169.190.220.
ns2.dicianu.com points to: 3.211.212.247.
ns3.dicianu.com points to: 184.168.22.72.
Mail Servers
code4us.com is handled by two mail servers: mail.code4us.com and smtp.code4us.com.
Host names with a single IP:
- mail.code4us.com points to 52.55.226.38
- smtp.code4us.com points to 52.55.226.38
Host names that point to 52.55.226.38: mail.code4us.com and smtp.code4us.com