viacom.us - robtex.com
viacom.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180a:1001::1🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network | ||||||
| PTR | ns11.constellix.com | ||||||
| A | 96.45.80.1🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24 | ||||||
| PTR | ns11.constellix.com | ||||||
| NS | f4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180b:2001::1🇺🇸 Tiggee2600:180b:2001::/48 Constellix anycast network | ||||||
| PTR | ns21.constellix.com | ||||||
| A | 46.31.236.1🇺🇸 Tiggee46.31.236.0/24 route 46.31.236.0/24 | ||||||
| PTR | ns21.constellix.com | ||||||
| NS | g4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180c:3001::1🇺🇸 Tiggee2600:180c:3001::/48 Constellix anycast network | ||||||
| PTR | ns31.constellix.com | ||||||
| A | 43.247.170.1🇯🇵 Tiggee43.247.170.0/24 route 43.247.170.0/24 | ||||||
| PTR | ns31.constellix.com | ||||||
| NS | l4.nstld.com ⚠️ Not in zone NS records | ||||||
| A | 2600:180a:1001::1🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network | ||||||
| PTR | ns11.constellix.com | ||||||
| A | 96.45.80.1🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24 | ||||||
| PTR | ns11.constellix.com | ||||||
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=1784563857 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, y.cctld.us, w.cctld.us... | - |
| viacom.us | l4.nstld.com, f4.nstld.com, a4.nstld.com, g4.nstld.com | - |
✅ Authoritative Response
Server:96.45.80.1
NS records: l4.nstld.com, f4.nstld.com, a4.nstld.com, g4.nstld.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for viacom.us (unsigned zone)
⏱️ Timing
Total: 557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Four name servers handle the delegation for viacom.us: a4.nstld.com, f4.nstld.com, g4.nstld.com and l4.nstld.com.
viacom.us partially shares its NS delegation with several other domains, including experian-authenticate.com, thawte.dk, spenax.ro and two others.
These name servers regularly co-occur with the name servers j4.nstld.com, k4.nstld.com and h4.nstld.com.
a4.nstld.com, f4.nstld.com, g4.nstld.com and l4.nstld.com all carry two IP addresses each. a4.nstld.com directs to 96.45.80.1 and 2600:180a:1001::1. f4.nstld.com directs to 46.31.236.1 and 2600:180b:2001::1. g4.nstld.com directs to 43.247.170.1 and 2600:180c:3001::1. l4.nstld.com directs to 96.45.80.1 and 2600:180a:1001::1. Note that a4.nstld.com and l4.nstld.com share the same IP address pair.
Both a4.nstld.com and l4.nstld.com resolve to 2600:180a:1001::1 IP addresses each.
Both a4.nstld.com and l4.nstld.com resolve to 96.45.80.1 IP addresses each.