knowbe4.guru - robtex.com
knowbe4.guru
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-546.awsdns-04.net ⭐ | ||||||
| A | 2600:9000:5302:2200::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-546.awsdns-04.net | ||||||
| A | 205.251.194.34🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-546.awsdns-04.net | ||||||
| NS | ns-1303.awsdns-34.org | ||||||
| A | 2600:9000:5305:1700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1303.awsdns-34.org | ||||||
| A | 205.251.197.23🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1303.awsdns-34.org | ||||||
| NS | ns-1584.awsdns-06.co.uk | ||||||
| A | 2600:9000:5306:3000::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1584.awsdns-06.co.uk | ||||||
| A | 205.251.198.48🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1584.awsdns-06.co.uk | ||||||
| NS | ns-290.awsdns-36.com | ||||||
| A | 2600:9000:5301:2200::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-290.awsdns-36.com | ||||||
| A | 205.251.193.34🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-290.awsdns-36.com | ||||||
| SOA | ns-546.awsdns-04.netawsdns-hostmaster@amazon.com serial=1 | ||||||
guru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.guru ⭐ | ||||||
| NS | v0n1.nic.guru | ||||||
| NS | v0n2.nic.guru | ||||||
| NS | v0n3.nic.guru | ||||||
| NS | v2n0.nic.guru | ||||||
| NS | v2n1.nic.guru | ||||||
| SOA | v0n0.nic.guruhostmaster@donuts.email serial=1774077595 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1303.awsdns-34.org2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 17:35:54
●NSns-1584.awsdns-06.co.uk2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 17:35:54
●NSns-290.awsdns-36.com2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 17:35:54
●NSns-546.awsdns-04.net2026-03-17 → 2026-03-22 · 2 obs
● 2026-03-22 17:35:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| guru | v2n1.nic.guru, v0n3.nic.guru, v0n1.nic.guru, v0n0.nic.guru... | 12 records |
| knowbe4.guru | ns-1303.awsdns-34.org, ns-1584.awsdns-06.co.uk, ns-546.awsdns-04.net, ns-290.awsdns-36.com | - |
✅ Authoritative Response
Server: 205.251.193.34
NS records: ns-1303.awsdns-34.org, ns-1584.awsdns-06.co.uk, ns-546.awsdns-04.net, ns-290.awsdns-36.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowbe4.guru (unsigned zone)
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1303.awsdns-34.org, ns-1584.awsdns-06.co.uk... |
| SOA | 1 | ns-546.awsdns-04.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n1.nic.guru, v2n1.nic.guru, v0n3.nic.guru...)
Analysis
Name Servers
knowbe4.guru is delegated to four name servers: ns-290.awsdns-36.com, ns-546.awsdns-04.net, ns-1303.awsdns-34.org and ns-1584.awsdns-06.co.uk.
knowbe4.guru at least partially shares name servers with other domains, for instance comtulab.com, emulate.energy, fliteboard.com, quick-esteemed.usefathom.com and cavalrytravelprotection.com.
Host names with two IP numbers: ns-290.awsdns-36.com points to 2600:9000:5301:2200::1 and 205.251.193.34; ns-546.awsdns-04.net points to 2600:9000:5302:2200::1 and 205.251.194.34; ns-1303.awsdns-34.org points to 2600:9000:5305:1700::1 and 205.251.197.23; ns-1584.awsdns-06.co.uk points to 2600:9000:5306:3000::1 and 205.251.198.48.