know.com - dns.ninja
know.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.17.116.163🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States | ||||||
| NS | ns1.dnsbycomodo.net ⭐ | ||||||
| A | 2610:1c8:b001::1🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns1.nudns.com | ||||||
| A | 199.167.66.21🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| NS | dns105.register.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.24.117Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | dns106.register.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.158Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.dnsbycomodo.net | ||||||
| A | 2610:1c8:b002::1🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns2.nudns.com | ||||||
| A | 199.167.66.22🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| SOA | ns1.dnsbycomodo.netadmin@dns.com 2025-05-30 #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=1782569370 | ||||||
Subdomains
www.know.com |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns1.registeredsite.com2015-08-03 → 2016-12-27 · 4 obs
● 2016-12-27 00:03:04
○ 2026-03-26 14:11:30
○ 2026-06-27 14:27:52
●NSdns105.register.com2026-03-26 → 2026-06-27 · 3 obs
● 2026-03-26 14:11:30
● 2026-06-27 14:27:52
●NSdns106.register.com2026-03-26 → 2026-06-27 · 3 obs
● 2026-03-26 14:11:30
● 2026-06-27 14:27:52
○NSdns2.registeredsite.com2015-08-03 → 2016-12-27 · 4 obs
● 2016-12-27 00:03:04
○ 2026-03-26 14:11:30
○ 2026-06-27 14:27:52
○NSdns3.registeredsite.com2015-08-03 → 2016-12-27 · 4 obs
● 2016-12-27 00:03:04
○ 2026-03-26 14:11:30
○ 2026-06-27 14:27:52
●NSns1.dnsbycomodo.net2026-03-26 → 2026-06-27 · 3 obs
● 2026-03-26 14:11:30
● 2026-06-27 14:27:52
●NSns2.dnsbycomodo.net2026-03-26 → 2026-06-27 · 3 obs
● 2026-03-26 14:11:30
● 2026-06-27 14:27:52
○MXinbound.registeredsite.com2015-08-03 → 2016-12-27 · 4 obs
● 2016-12-27 00:03:04
○ 2026-03-26 14:11:30
○ 2026-06-27 14:27:52
●A209.17.116.1632026-03-26 → 2026-06-27 · 3 obs
● 2026-03-26 14:11:30
● 2026-06-27 14:27:52
○A209.237.151.172015-08-03 → 2016-12-27 · 4 obs
● 2016-12-27 00:03:04
○ 2026-03-26 14:11:30
○ 2026-06-27 14:27:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net... | - |
| know.com | ns1.dnsbycomodo.net, ns2.dnsbycomodo.net, dns105.register.com, dns106.register.com | 2 records |
✅ Authoritative Response
Server:199.167.66.22
NS records: ns1.dnsbycomodo.net, ns2.dnsbycomodo.net, dns105.register.com, dns106.register.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for know.com (unsigned zone)
⏱️ Timing
Total: 306ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.17.116.163 |
| NS | 2 | dns106.register.com, dns105.register.com |
| SOA | 1 | ns1.dnsbycomodo.net admin.dns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns105.register.com, dns106.register.com)
Analysis
Hierarchy
know.com is a parent domain of www.know.com.
IP Addresses
know.com points to a single IP number: 209.17.116.163.
Additional host names — tsgdiversity.com, northeast.aero, mx.answering-islam.com and two others — share IP numbers with know.com.
Name Servers
know.com has four authoritative name servers: dns105.register.com, dns106.register.com, ns1.dnsbycomodo.net and ns2.dnsbycomodo.net.
know.com shares at least some of its name servers with other domains, including schwartzandassoc.com, nexusdfw.com, aircore.us and two others.
These name servers are frequently paired with the name servers dns101.register.com and dns102.register.com.
Host names with two IP numbers:
ns1.dnsbycomodo.net has two IP addresses: 199.167.66.21 and 2610:1c8:b001::1.
ns2.dnsbycomodo.net has two IP addresses: 199.167.66.22 and 2610:1c8:b002::1.
Host names pointing to a single IP address:
dns105.register.com directs to 162.159.24.117.
dns106.register.com directs to 162.159.25.158.