knowd1.com - dns.ninja
knowd1.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=1786841529 | ||||||
Same first word
knowd1.com |
Similar names
DNS History
12 records (5 active, 7 former)
○NSdns51.cloudns.net2026-03-22 → 2026-03-22 · 3 obs
○ 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
○NSdns52.cloudns.net2026-03-22 → 2026-03-22 · 3 obs
○ 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
○NSdns53.cloudns.net2026-03-22 → 2026-03-22 · 3 obs
○ 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
○NSdns54.cloudns.net2026-03-22 → 2026-03-22 · 3 obs
○ 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
●NSns1.digitalocean.com2026-06-02 → 2026-08-16 · 3 obs
● 2026-06-02 12:50:18
● 2026-08-16 00:56:42
●NSns2.digitalocean.com2026-06-02 → 2026-08-16 · 3 obs
● 2026-06-02 12:50:18
● 2026-08-16 00:56:42
●NSns3.digitalocean.com2026-06-02 → 2026-08-16 · 3 obs
● 2026-06-02 12:50:18
● 2026-08-16 00:56:42
○MXmx1.emailsrvr.com2026-03-22 → 2026-06-02 · 3 obs
● 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
○MXmx2.emailsrvr.com2026-03-22 → 2026-06-02 · 3 obs
● 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
●MXsmtp.google.com2026-08-16 → 2026-08-16 · 2 obs
● 2026-08-16 00:56:42
○A185.141.195.1612026-03-22 → 2026-03-22 · 3 obs
○ 2026-06-02 12:50:18
○ 2026-08-16 00:56:42
●A209.38.55.1012026-06-02 → 2026-08-16 · 3 obs
● 2026-06-02 12:50:18
● 2026-08-16 00:56:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net... | - |
| knowd1.com | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | 3 records |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowd1.com (unsigned zone)
⏱️ Timing
Total: 242ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.38.55.101 |
| NS | 3 | ns3.digitalocean.com, ns2.digitalocean.com... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 4 | google-site-verification=iESU9I5fTE7jTdy, mandrill_verify.r6O3N_kJJIN71CmpDgm-kw... |
| SOA | 1 | ns1.digitalocean.com hostmaster.knowd1.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)
Analysis
IP Addresses
knowd1.com has exactly one IP address — 209.38.55.101.
Name Servers
knowd1.com has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
knowd1.com partially shares its NS delegation with several other domains, including 1.0.0.0.b.e.4.0.0.0.0.0.0.0.0.0.0.d.0.0.2.0.0.0.0.c.0.b.3.0.a.2.ip6.arpa, spmediacdn.com, dujob.nl and two others.
The name servers ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com are often found in use alongside these name servers.
Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
knowd1.com uses one mail server — smtp.google.com.
The mail server setup of knowd1.com matches that of other domains such as openmindpsychologicalserviceslimited.com, glt.church, plureus.com and two others.
At least some of the mail servers used by knowd1.com are shared with other domains: mybadr.com, greentree.com.mx, gensantos.gov.ph and two others among them.
It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.
smtp.google.com has 9 IP addresses: 142.251.167.26, 142.251.167.27, 192.178.155.26 plus 6 more.