ext.goog - robtex.com
ext.goog
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.google.com ⭐ | ||||||
| A | 2001:4860:4802:32::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns1.google.com | ||||||
| A | 216.239.32.10🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns1.google.com | ||||||
| NS | ns2.google.com | ||||||
| A | 2001:4860:4802:34::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns2.google.com | ||||||
| A | 216.239.34.10🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns2.google.com | ||||||
| NS | ns3.google.com | ||||||
| A | 2001:4860:4802:36::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns3.google.com | ||||||
| A | 216.239.36.10🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns3.google.com | ||||||
| NS | ns4.google.com | ||||||
| A | 2001:4860:4802:38::a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns4.google.com | ||||||
| A | 216.239.38.10🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns4.google.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.google.comdns-admin@google.com serial=904352641 | ||||||
goog
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.google.com2026-04-20 → 2026-04-23 · 2 obs
● 2026-04-23 21:12:50
●NSns2.google.com2026-04-20 → 2026-04-23 · 2 obs
● 2026-04-23 21:12:50
●NSns3.google.com2026-04-20 → 2026-04-23 · 2 obs
● 2026-04-23 21:12:50
●NSns4.google.com2026-04-20 → 2026-04-23 · 2 obs
● 2026-04-23 21:12:50
○MXyour-dns-needs-immediate-attention.goog2016-06-23 → 2016-06-23 · 3 obs
○ 2026-04-20 05:35:34
○ 2026-04-23 21:12:50
○A127.0.53.532016-06-23 → 2016-06-23 · 3 obs
○ 2026-04-20 05:35:34
○ 2026-04-23 21:12:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| goog | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| ext.goog | ns4.google.com, ns2.google.com, ns3.google.com, ns1.google.com | - |
✅ Authoritative Response
Server:216.239.34.10
NS records: ns4.google.com, ns2.google.com, ns3.google.com, ns1.google.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ext.goog (unsigned zone)
⏱️ Timing
Total: 657ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.google.com, ns3.google.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.google.com dns-admin.google.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)
Analysis
Name Servers
ext.goog delegates to four name servers: ns1.google.com, ns2.google.com, ns3.google.com and ns4.google.com.
ext.goog at least partially shares name servers with other domains, for instance 140.228.23.in-addr.arpa, 255.117.208.in-addr.arpa, 194.85.209.in-addr.arpa, google.cf and moequn.com.
Host names with two IP numbers: ns1.google.com points to 2001:4860:4802:32::a and 216.239.32.10; ns2.google.com points to 2001:4860:4802:34::a and 216.239.34.10; ns3.google.com points to 2001:4860:4802:36::a and 216.239.36.10; ns4.google.com points to 2001:4860:4802:38::a and 216.239.38.10.