focusonpde4.net - robtex.com
focusonpde4.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.amgen.com ⚠️ Not in zone NS records | ||||||
| A | 138.133.52.91🇺🇸 AS14762138.133.52.0/24 Switch Communications Customer Route | ||||||
| PTR | ns1.amgen.com | ||||||
| NS | ns2.amgen.com ⚠️ Not in zone NS records | ||||||
| A | 138.133.61.100🇺🇸 AS14762138.133.61.0/24 | ||||||
| PTR | ns2.amgen.com | ||||||
| NS | ns3.amgen.com ⚠️ Not in zone NS records | ||||||
| A | 138.133.194.6🇺🇸 AS14762138.133.194.0/24 PNAP-AMS004 Amgen Route | ||||||
| PTR | ns3.amgen.com | ||||||
net
| 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=1780782751 | ||||||
Same first word
focusonpde4.net |
focusonpde4.com |
DNS History
6 records (3 active, 3 former)
○NSdns1.cscdns.net2015-07-16 → 2020-02-15 · 4 obs
● 2020-02-15 18:57:34
○ 2026-05-29 18:04:30
○ 2026-06-06 21:55:38
○NSdns2.cscdns.net2015-07-16 → 2020-02-15 · 4 obs
● 2020-02-15 18:57:34
○ 2026-05-29 18:04:30
○ 2026-06-06 21:55:38
●NSns1.amgen.com2026-05-29 → 2026-06-06 · 3 obs
● 2026-05-29 18:04:30
● 2026-06-06 21:55:38
●NSns2.amgen.com2026-05-29 → 2026-06-06 · 3 obs
● 2026-05-29 18:04:30
● 2026-06-06 21:55:38
●NSns3.amgen.com2026-05-29 → 2026-06-06 · 3 obs
● 2026-05-29 18:04:30
● 2026-06-06 21:55:38
○A209.222.14.32015-07-16 → 2020-02-15 · 4 obs
● 2020-02-15 18:57:34
○ 2026-05-29 18:04:30
○ 2026-06-06 21:55:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| focusonpde4.net | ns1.amgen.com, ns2.amgen.com, ns3.amgen.com | - |
✅ Authoritative Response
Server:138.133.52.91
NS records: ns1.amgen.com, ns2.amgen.com, ns3.amgen.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for focusonpde4.net (unsigned zone)
⏱️ Timing
Total: 4411ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
DNS for focusonpde4.net is handled by three authoritative name servers: ns1.amgen.com, ns2.amgen.com and ns3.amgen.com.
focusonpde4.net shares at least some of its name servers with other domains, including singleject.nl, itpresource.net, otezla-diarrhea.org and two others.
These name servers are frequently seen alongside the name servers ns0-can.amgen.com.
ns1.amgen.com, ns2.amgen.com and ns3.amgen.com all have one IP address each — ns1.amgen.com directs to 138.133.52.91, ns2.amgen.com directs to 138.133.61.100 and ns3.amgen.com directs to 138.133.194.6.