doubleclickusercontent.com - dns.ninja
doubleclickusercontent.com
| 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=942445446 | ||||||
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=1783248726 | ||||||
Same first word
doubleclickusercontent.com |
DNS History
4 records (4 active, 0 former)
●NSns1.google.com2015-08-02 → 2026-07-05 · 8 obs
● 2015-11-25 00:38:10
○ 2016-02-25 07:48:16
○ 2016-07-07 18:20:56
● 2017-06-14 08:01:10
○ 2017-08-08 19:33:08
● 2017-08-08 20:13:38
● 2026-07-05 11:13:14
●NSns2.google.com2015-08-02 → 2026-07-05 · 5 obs
● 2016-02-25 07:48:16
○ 2016-07-07 18:20:56
● 2017-08-08 20:13:38
● 2026-07-05 11:13:14
●NSns3.google.com2015-08-02 → 2026-07-05 · 2 obs
● 2026-07-05 11:13:14
●NSns4.google.com2015-08-02 → 2026-07-05 · 6 obs
● 2016-07-07 18:20:56
○ 2017-06-14 08:01:10
○ 2017-08-08 19:33:08
● 2017-08-08 20:13:38
● 2026-07-05 11:13:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net... | - |
| doubleclickusercontent.com | ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com | 8 records |
✅ Authoritative Response
Server:216.239.38.10
NS records: ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doubleclickusercontent.com (unsigned zone)
⏱️ Timing
Total: 375ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns3.google.com, ns1.google.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.google.com dns-admin.google.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)
Analysis
Name Servers
The authoritative name servers for doubleclickusercontent.com are ns1.google.com, ns2.google.com, ns3.google.com and ns4.google.com.
The name servers of doubleclickusercontent.com overlap at least partially with those of other domains — among them ecigzaa.com, 224.14.72.in-addr.arpa, 60.239.216.in-addr.arpa and two more.
Each of the four hosts ns1.google.com, ns2.google.com, ns3.google.com and ns4.google.com has two IP addresses. ns1.google.com points to 216.239.32.10 and 2001:4860:4802:32::a. ns2.google.com points to 216.239.34.10 and 2001:4860:4802:34::a. ns3.google.com points to 216.239.36.10 and 2001:4860:4802:36::a. ns4.google.com points to 216.239.38.10 and 2001:4860:4802:38::a.