knowbe4.cloud - robtex.com
knowbe4.cloud
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-848.awsdns-42.net ⭐ | ||||||
| A | 2600:9000:5303:5000::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-848.awsdns-42.net | ||||||
| A | 205.251.195.80🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-848.awsdns-42.net | ||||||
| NS | ns-121.awsdns-15.com | ||||||
| A | 2600:9000:5300:7900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-121.awsdns-15.com | ||||||
| A | 205.251.192.121🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-121.awsdns-15.com | ||||||
| NS | ns-1331.awsdns-38.org | ||||||
| A | 2600:9000:5305:3300::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1331.awsdns-38.org | ||||||
| A | 205.251.197.51🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1331.awsdns-38.org | ||||||
| NS | ns-1745.awsdns-26.co.uk | ||||||
| A | 2600:9000:5306:d100::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1745.awsdns-26.co.uk | ||||||
| A | 205.251.198.209🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1745.awsdns-26.co.uk | ||||||
| SOA | ns-848.awsdns-42.netawsdns-hostmaster@amazon.com serial=1 | ||||||
cloud
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1773630637 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-121.awsdns-15.com2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 09:38:14
●NSns-1331.awsdns-38.org2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 09:38:14
●NSns-1745.awsdns-26.co.uk2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 09:38:14
●NSns-848.awsdns-42.net2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 09:38:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cloud | ns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info | - |
| knowbe4.cloud | ns-1745.awsdns-26.co.uk, ns-848.awsdns-42.net, ns-121.awsdns-15.com, ns-1331.awsdns-38.org | - |
✅ Authoritative Response
Server: 205.251.195.80
NS records: ns-1745.awsdns-26.co.uk, ns-848.awsdns-42.net, ns-121.awsdns-15.com, ns-1331.awsdns-38.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowbe4.cloud (unsigned zone)
⏱️ Timing
Total: 746ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-121.awsdns-15.com, ns-1331.awsdns-38.org... |
| SOA | 1 | ns-848.awsdns-42.net awsdns-hostmaster.a |
Analysis
Name Servers
knowbe4.cloud is delegated to four name servers: ns-121.awsdns-15.com, ns-848.awsdns-42.net, ns-1331.awsdns-38.org and ns-1745.awsdns-26.co.uk.
knowbe4.cloud shares some name servers with other domains, for example 13.0.134.in-addr.arpa, myonlinecreditscores.com, betbhai.website, masimosafetynet.eu and hyourweatherinfonow.com.
these name servers are often used with ns-48.awsdns-06.com, ns-632.awsdns-15.net, ns-986.awsdns-59.net, ns-492.awsdns-61.com, ns-390.awsdns-48.com, ns-324.awsdns-40.com, ns-1376.awsdns-44.org, ns-722.awsdns-26.net, ns-452.awsdns-56.com and ns-885.awsdns-46.net.
Host names with two IP numbers
Two IPs per host:
ns-121.awsdns-15.com points to 2600:9000:5300:7900::1 and 205.251.192.121
ns-848.awsdns-42.net points to 2600:9000:5303:5000::1 and 205.251.195.80
ns-1331.awsdns-38.org points to 2600:9000:5305:3300::1 and 205.251.197.51
ns-1745.awsdns-26.co.uk points to 2600:9000:5306:d100::1 and 205.251.198.209