notebooklm.com - robtex.com
notebooklm.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:32::63🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns1.googledomains.com | ||||||
| A | 216.239.32.99🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns1.googledomains.com | ||||||
| NS | ns2.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:34::63🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns2.googledomains.com | ||||||
| A | 216.239.34.99🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns2.googledomains.com | ||||||
| NS | ns3.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:36::63🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns3.googledomains.com | ||||||
| A | 216.239.36.99🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns3.googledomains.com | ||||||
| NS | ns4.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:38::63🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns4.googledomains.com | ||||||
| A | 216.239.38.99🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns4.googledomains.com | ||||||
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=1784850072 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NSns1.googledomains.com2026-07-20 → 2026-07-23 · 2 obs
● 2026-07-23 23:48:34
●NSns2.googledomains.com2026-07-20 → 2026-07-23 · 2 obs
● 2026-07-23 23:48:34
●NSns3.googledomains.com2026-07-20 → 2026-07-23 · 2 obs
● 2026-07-23 23:48:34
●NSns4.googledomains.com2026-07-20 → 2026-07-23 · 2 obs
● 2026-07-23 23:48:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| notebooklm.com | ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com, ns4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.38.99
NS records: ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com, ns4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for notebooklm.com (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.googledomains.com, ns1.googledomains.com, ns2.googledomains.com...)
Analysis
Name Servers
Four name servers handle the delegation for notebooklm.com: ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com and ns4.googledomains.com.
notebooklm.com partially shares its NS delegation with several other domains, including scplr.com, packgoogle.net, gogeli.com and two others.
ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com and ns4.googledomains.com each carry two IP addresses. ns1.googledomains.com has 216.239.32.99 and 2001:4860:4802:32::63; ns2.googledomains.com has 216.239.34.99 and 2001:4860:4802:34::63; ns3.googledomains.com has 216.239.36.99 and 2001:4860:4802:36::63; ns4.googledomains.com has 216.239.38.99 and 2001:4860:4802:38::63.