mu4.us - robtex.com
mu4.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785382811 | ||||||
Same first word
Similar names
DNS History
17 records (8 active, 9 former)
●NSdns1.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
●NSdns2.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
○NSns1.digitalocean.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○NSns2.digitalocean.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○NSns3.digitalocean.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○MXalt1.aspmx.l.google.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○MXalt2.aspmx.l.google.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○MXaspmx.l.google.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○MXaspmx2.googlemail.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
○MXaspmx3.googlemail.com2015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
●MXeforward1.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
●MXeforward2.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
●MXeforward3.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
●MXeforward4.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
●MXeforward5.registrar-servers.com2026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
●A146.190.170.1502026-06-09 → 2026-07-30 · 3 obs
● 2026-06-09 22:51:38
● 2026-07-30 04:31:06
○A198.199.94.2182015-06-21 → 2021-04-17 · 4 obs
● 2021-04-17 06:54:46
○ 2026-06-09 22:51:38
○ 2026-07-30 04:31:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| mu4.us | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mu4.us (unsigned zone)
⏱️ Timing
Total: 612ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.190.170.150 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
mu4.us directs to one IP number, which is 146.190.170.150.
Among the host names that share IP numbers with mu4.us are notesfrom.us, notesfromus.com, contactwallet.com and two others.
Name Servers
Two name servers handle the delegation for mu4.us: dns1.registrar-servers.com and dns2.registrar-servers.com.
mu4.us has the same name server delegation as a number of other domains, such as actioninsgroup.com, ata-it-th.com, dansbox.com and two more.
mu4.us has at least partial name server overlap with other domains, such as bedareful.com, countrymercantile.com, covarier.com and two others.
These name servers tend to appear together with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
dns1.registrar-servers.com and dns2.registrar-servers.com both carry two IP addresses. The A records for dns1.registrar-servers.com are 156.154.132.200 and 2610:a1:1024::200; the A records for dns2.registrar-servers.com are 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
mu4.us is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
mu4.us shares at least some of its mail servers with other domains — for example turboexe.com, andy10gbit.xyz, billofmaterials.ai and two more.
It is common for these mail servers to co-occur with eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com as mail servers.
Hosts that resolve to one IP address:
The hostname eforward1.registrar-servers.com resolves to 162.255.118.51.
The hostname eforward2.registrar-servers.com resolves to 162.255.118.52.
The hostname eforward3.registrar-servers.com resolves to 162.255.118.51.
The hostname eforward4.registrar-servers.com resolves to 162.255.118.52.
The hostname eforward5.registrar-servers.com resolves to 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.
eforward2.registrar-servers.com along with eforward4.registrar-servers.com each resolve to 162.255.118.52 IP addresses.