patentknow.com - robtex.com
patentknow.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=1777110316 | ||||||
MX for
patentknow.com |
Subdomains
mail.patentknow.com |
Same first word
patentknow.com |
DNS History
13 records (8 active, 5 former)
●NSns-cloud-b1.googledomains.com2016-08-13 → 2026-04-25 · 4 obs
○ 2017-04-03 09:39:40
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
●NSns-cloud-b2.googledomains.com2016-08-13 → 2026-04-25 · 4 obs
○ 2017-04-03 09:39:40
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
●NSns-cloud-b3.googledomains.com2016-08-13 → 2026-04-25 · 4 obs
○ 2017-04-03 09:39:40
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
●NSns-cloud-b4.googledomains.com2016-08-13 → 2026-04-25 · 4 obs
○ 2017-04-03 09:39:40
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
●NSns1.ssdlinuxld01.accuwebhosting.com2026-02-15 → 2026-04-25 · 3 obs
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
●NSns2.ssdlinuxld01.accuwebhosting.com2026-02-15 → 2026-04-25 · 3 obs
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
○NSns21.ixwebhosting.com2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 09:39:40
○ 2026-02-15 17:33:50
○ 2026-04-25 10:12:10
○NSns22.ixwebhosting.com2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 09:39:40
○ 2026-02-15 17:33:50
○ 2026-04-25 10:12:10
●MXmail.patentknow.com2026-02-15 → 2026-04-25 · 5 obs
● 2026-02-15 17:33:50
● 2026-04-03 19:03:34
○ 2026-04-23 05:08:38
● 2026-04-25 10:12:10
○MXmail1101.ixwebhosting.com2017-04-03 → 2017-04-03 · 3 obs
○ 2026-02-15 17:33:50
○ 2026-04-25 10:12:10
○MXpatentknow.com2026-04-23 → 2026-04-23 · 3 obs
● 2026-04-23 05:08:38
○ 2026-04-25 10:12:10
●A216.245.210.1222026-02-15 → 2026-04-25 · 3 obs
● 2026-02-15 17:33:50
● 2026-04-25 10:12:10
○A72.41.199.22017-04-03 → 2017-04-03 · 3 obs
○ 2026-02-15 17:33:50
○ 2026-04-25 10:12:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| patentknow.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com... | 10 records |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com, ns1.ssdlinuxld01.accuwebhosting.com, ns2.ssdlinuxld01.accuwebhosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for patentknow.com (unsigned zone)
⏱️ Timing
Total: 337ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.245.210.122 |
| NS | 2 | ns2.ssdlinuxld01.accuwebhosting.com, ns1.ssdlinuxld01.accuwebhosting.com |
| MX | 1 | mail.patentknow.com (pri: 0) |
| TXT | 1 | v=spf1 include:accuwebhosting.com ~all |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
Hierarchy
The parent of mail.patentknow.com is patentknow.com.
Mail Server Role
patentknow.com serves as a mail server for patentknow.com.
IP Addresses
patentknow.com points to a single IP: 216.245.210.122.
Other host names, for instance _dc-mx.4c988e4017fd.chinaleftreview.org, ceii.in, docunowledge.com, ns3.linuxserver29.com and disciplineband.com share IP numbers with patentknow.com.
Name Servers
patentknow.com is delegated to six name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com, ns1.ssdlinuxld01.accuwebhosting.com and ns2.ssdlinuxld01.accuwebhosting.com.
patentknow.com partially shares name servers with other domains; examples include timegulp.com, telturkiye.com, billiemariegoods.com, getvape.us and web-fundamentals.com.
These name servers are often used with the name servers ns1.ssdlinux32.com and ns2.ssdlinux32.com.
Host names with two IP numbers:
ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107
ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107
ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107
ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107
Host names with one IP number:
ns1.ssdlinuxld01.accuwebhosting.com points to 216.245.210.122
ns2.ssdlinuxld01.accuwebhosting.com points to 216.245.210.122
Host names that point to 216.245.210.122: ns1.ssdlinuxld01.accuwebhosting.com and ns2.ssdlinuxld01.accuwebhosting.com
Mail Servers
patentknow.com is handled by a single mail server, mail.patentknow.com.
mail.patentknow.com points to a single IP: 216.245.210.122.