_spf.psm.knowbe4.com - robtex.com
_spf.psm.knowbe4.com
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | v=spf1 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.14 ip4:147.160.167... | ||||||
psm.knowbe4.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 23.21.109.197🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix | ||||||
| A | 23.21.109.212🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix | ||||||
| A | 34.197.134.60🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| A | 34.199.159.209🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| A | 34.251.106.174🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix | ||||||
| A | 52.49.201.246🇮🇪 Amazon52.48.0.0/14 EC2 DUB prefix | ||||||
| A | 52.49.235.189🇮🇪 Amazon52.48.0.0/14 EC2 DUB prefix | ||||||
| A | 147.160.167.14🇺🇸 Amazon147.160.167.0/24 EC2 Prefix | ||||||
| A | 147.160.167.15🇺🇸 Amazon147.160.167.0/24 EC2 Prefix | ||||||
| NS | ns-815.awsdns-37.net ⭐ | ||||||
| NS | ns-1383.awsdns-44.org | ||||||
| NS | ns-1560.awsdns-03.co.uk | ||||||
| NS | ns-457.awsdns-57.com | ||||||
| MX | inbound-smtp.us-east-1.amazonaws.com ⭐ | ||||||
| TXT | v=spf1 ip4:23.21.109.197 ip4:23.21.109.212 ip4:34.199.159.209 ip4:34.197.134.... | ||||||
| SOA | ns-815.awsdns-37.netawsdns-hostmaster@amazon.com serial=1 | ||||||
MX for
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| knowbe4.com | ns-38.awsdns-04.com, ns-853.awsdns-42.net, ns-1036.awsdns-01.org, ns-1882.awsdns-43.co.uk | 2 records |
| psm.knowbe4.com | ns-1383.awsdns-44.org, ns-1560.awsdns-03.co.uk, ns-457.awsdns-57.com, ns-815.awsdns-37.net | - |
✅ Authoritative Response
Server:205.251.195.47
NS records: ns-1383.awsdns-44.org, ns-1560.awsdns-03.co.uk, ns-457.awsdns-57.com, ns-815.awsdns-37.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 287ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| TXT | 1 | v=spf1 ip4:23.21.109.197 ip4:23.21.109.2 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-38.awsdns-04.com, ns-38.awsdns-04.com)