us4d.com - dns.ninja
us4d.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.23.155.19🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-23-23-155-19.compute-1.amazonaws.com | ||||||
| NS | ns1.iviewer.com ⭐ | ||||||
| A | 54.209.35.75🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix | ||||||
| PTR | mx2.iviewer.com | ||||||
| A | 54.221.204.205🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix | ||||||
| PTR | www.dotearth.com | ||||||
| A | 108.36.103.202🇺🇸 AS701108.36.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | mx2.iviewer.com | ||||||
| NS | ns2.iviewer.com | ||||||
| A | 108.36.103.202🇺🇸 AS701108.36.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | mx2.iviewer.com | ||||||
| NS | ns3.iviewer.com | ||||||
| NS | ns4.iviewer.com | ||||||
| A | 54.221.204.205🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix | ||||||
| PTR | www.dotearth.com | ||||||
| SOA | ns1.iviewer.comhostmaster@iviewer.com serial=1670624897 | ||||||
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=1782172970 | ||||||
Same first word
us4d.com |
Similar names
d4us.info |
4usd.net |
ds4u.cc |
d4us.pl |
u4sd.org |
u4ds.com |
dsu4.ru |
ds4u.eu |
ds4u.com |
d4us.com |
4uds.net |
du4s.com |
usd4.com |
4usd.com |
su4d.com |
4usd.top |
4dus.com |
ds4u.net |
sd4u.com |
u4ds.us |
dus4.com |
ds4u.de |
sd4u.net |
d4us.de |
ud4s.com |
DNS History
11 records (5 active, 6 former)
●NSns1.iviewer.com2015-05-24 → 2026-06-23 · 2 obs
● 2026-06-23 00:06:14
●NSns2.iviewer.com2015-05-24 → 2026-06-23 · 2 obs
● 2026-06-23 00:06:14
●NSns3.iviewer.com2015-05-24 → 2026-06-23 · 2 obs
● 2026-06-23 00:06:14
●NSns4.iviewer.com2015-05-24 → 2026-06-23 · 2 obs
● 2026-06-23 00:06:14
○MXmx1.iviewer.com2015-05-24 → 2016-09-16 · 4 obs
● 2016-09-16 05:51:30
○ 2026-04-06 21:03:18
○ 2026-06-23 00:06:14
○MXmx1b.iviewer.com2015-05-24 → 2016-09-16 · 4 obs
● 2016-09-16 05:51:30
○ 2026-04-06 21:03:18
○ 2026-06-23 00:06:14
○MXmx2.iviewer.com2015-05-24 → 2016-09-16 · 4 obs
● 2016-09-16 05:51:30
○ 2026-04-06 21:03:18
○ 2026-06-23 00:06:14
○MXmx2b.iviewer.com2015-05-24 → 2016-09-16 · 4 obs
● 2016-09-16 05:51:30
○ 2026-04-06 21:03:18
○ 2026-06-23 00:06:14
○MXmx3.iviewer.com2015-05-24 → 2016-09-16 · 4 obs
● 2016-09-16 05:51:30
○ 2026-04-06 21:03:18
○ 2026-06-23 00:06:14
○A216.1.60.182015-05-24 → 2016-09-16 · 4 obs
● 2016-09-16 05:51:30
○ 2026-04-06 21:03:18
○ 2026-06-23 00:06:14
●A23.23.155.192026-04-06 → 2026-06-23 · 3 obs
● 2026-04-06 21:03:18
● 2026-06-23 00:06:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| us4d.com | ns3.iviewer.com, ns1.iviewer.com, ns2.iviewer.com, ns4.iviewer.com | 6 records |
✅ Authoritative Response
Server:54.221.204.205
NS records: ns3.iviewer.com, ns1.iviewer.com, ns2.iviewer.com, ns4.iviewer.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for us4d.com (unsigned zone)
⏱️ Timing
Total: 1091ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.23.155.19 |
| NS | 4 | ns4.iviewer.com, ns2.iviewer.com... |
| SOA | 1 | ns1.iviewer.com hostmaster.iviewer.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns3.iviewer.com, ns1.iviewer.com, ns1.iviewer.com...)
Analysis
IP Addresses
us4d.com has exactly one IP address — 23.23.155.19.
tokkom.com, revivegreens.com, www.penitas.net plus two other host names have IP numbers in common with us4d.com.
Name Servers
Four name servers handle the delegation for us4d.com: ns1.iviewer.com, ns2.iviewer.com, ns3.iviewer.com and ns4.iviewer.com.
There is at least partial name server overlap between us4d.com and other domains — catalystsforconsciousness.com, drs.us, powersavingtechnologies.com and two more among them.
These name servers are routinely deployed together with the name servers ns5.iviewer.com.
Host names carrying three IP numbers:
ns1.iviewer.com resolves to three addresses: 54.209.35.75, 54.221.204.205 and 108.36.103.202.
Host names resolving to a single IP address:
ns2.iviewer.com points to the IP address 108.36.103.202.
ns4.iviewer.com points to the IP address 54.221.204.205.
These two host names — ns1.iviewer.com and ns4.iviewer.com — each point to 54.221.204.205 IP addresses.
These two host names — ns1.iviewer.com and ns2.iviewer.com — each point to 108.36.103.202 IP addresses.