dubknowledge.com - robtex.com
dubknowledge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.120.27.92🇺🇸 Google34.120.0.0/14 | ||||||
| PTR | 92.27.120.34.bc.googleusercontent.com | ||||||
| NS | ns-cloud-a1.googledomains.com ⭐ | ||||||
| A | 2001:4860:4802:32::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a1.googledomains.com | ||||||
| A | 216.239.32.106🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns-cloud-a1.googledomains.com | ||||||
| NS | ns-cloud-a2.googledomains.com | ||||||
| A | 2001:4860:4802:34::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a2.googledomains.com | ||||||
| A | 216.239.34.106🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns-cloud-a2.googledomains.com | ||||||
| NS | ns-cloud-a3.googledomains.com | ||||||
| A | 2001:4860:4802:36::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a3.googledomains.com | ||||||
| A | 216.239.36.106🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns-cloud-a3.googledomains.com | ||||||
| NS | ns-cloud-a4.googledomains.com | ||||||
| A | 2001:4860:4802:38::6a🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-a4.googledomains.com | ||||||
| A | 216.239.38.106🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns-cloud-a4.googledomains.com | ||||||
| TXT | v=spf1 mx ip4:13.81.215.50 -all | ||||||
| SOA | ns-cloud-a1.googledomains.comcloud-dns-hostmaster@google.com serial=1 | ||||||
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=1777020116 | ||||||
Same first word
dubknowledge.com |
DNS History
12 records (5 active, 7 former)
●NSns-cloud-a1.googledomains.com2026-03-29 → 2026-04-24 · 3 obs
● 2026-03-29 13:41:14
● 2026-04-24 08:43:50
●NSns-cloud-a2.googledomains.com2026-03-29 → 2026-04-24 · 3 obs
● 2026-03-29 13:41:14
● 2026-04-24 08:43:50
●NSns-cloud-a3.googledomains.com2026-03-29 → 2026-04-24 · 3 obs
● 2026-03-29 13:41:14
● 2026-04-24 08:43:50
●NSns-cloud-a4.googledomains.com2026-03-29 → 2026-04-24 · 3 obs
● 2026-03-29 13:41:14
● 2026-04-24 08:43:50
○NSns1.openprovider.nl2015-07-20 → 2020-03-14 · 4 obs
● 2020-03-14 17:23:22
○ 2026-03-29 13:41:14
○ 2026-04-24 08:43:50
○NSns2.openprovider.be2015-07-20 → 2020-03-14 · 4 obs
● 2020-03-14 17:23:22
○ 2026-03-29 13:41:14
○ 2026-04-24 08:43:50
○NSns3.openprovider.eu2015-07-20 → 2020-03-14 · 4 obs
● 2020-03-14 17:23:22
○ 2026-03-29 13:41:14
○ 2026-04-24 08:43:50
○MXmail.dubknowledge.com2015-07-20 → 2020-03-14 · 4 obs
● 2020-03-14 17:23:22
○ 2026-03-29 13:41:14
○ 2026-04-24 08:43:50
○A127.0.0.12015-07-20 → 2016-07-13 · 4 obs
● 2016-07-13 23:31:46
○ 2017-03-26 05:04:54
○ 2026-04-24 08:43:50
○A13.81.215.502017-03-26 → 2017-03-26 · 4 obs
● 2017-03-26 05:04:54
○ 2020-03-14 17:23:22
○ 2026-04-24 08:43:50
●A34.120.27.922026-03-29 → 2026-04-24 · 3 obs
● 2026-03-29 13:41:14
● 2026-04-24 08:43:50
○A80.95.173.2492020-03-14 → 2020-03-14 · 4 obs
● 2020-03-14 17:23:22
○ 2026-03-29 13:41:14
○ 2026-04-24 08:43:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net... | - |
| dubknowledge.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.34.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dubknowledge.com (unsigned zone)
⏱️ Timing
Total: 471ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.120.27.92 |
| NS | 4 | ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com... |
| TXT | 1 | v=spf1 mx ip4:13.81.215.50 -all |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
Analysis
IP Addresses
dubknowledge.com points to a single IP number: 34.120.27.92.
Other host names, for instance 92.27.120.34.bc.googleusercontent.com, survey-test.yorizongroup.com, nebu.hu and mobielpanel.nl share IP numbers with dubknowledge.com.
Name Servers
dubknowledge.com is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
dubknowledge.com at least partially shares name servers with other domains, for instance aravell.com, wissystems.com, dentistryon.com, new-jersey-injury-lawyers.com and mamanmood.com.
Host names with two IP numbers:
ns-cloud-a1.googledomains.com points to: 2001:4860:4802:32::6a and 216.239.32.106.
ns-cloud-a2.googledomains.com points to: 2001:4860:4802:34::6a and 216.239.34.106.
ns-cloud-a3.googledomains.com points to: 2001:4860:4802:36::6a and 216.239.36.106.
ns-cloud-a4.googledomains.com points to: 2001:4860:4802:38::6a and 216.239.38.106.