21
records
IPv4 Addresses
TTL
psm.knowbe4.com. 300 IN A 147.160.167.14 psm.knowbe4.com. 300 IN A 147.160.167.15 psm.knowbe4.com. 300 IN A 23.21.109.197 psm.knowbe4.com. 300 IN A 23.21.109.212 psm.knowbe4.com. 300 IN A 34.197.134.60 psm.knowbe4.com. 300 IN A 34.199.159.209 psm.knowbe4.com. 300 IN A 34.251.106.174 psm.knowbe4.com. 300 IN A 52.49.201.246 psm.knowbe4.com. 300 IN A 52.49.235.189
Name Servers
TTL
20m
20m
20m
psm.knowbe4.com. 1200 IN NS ns-1383.awsdns-44.org. psm.knowbe4.com. 1200 IN NS ns-1560.awsdns-03.co.uk. psm.knowbe4.com. 1200 IN NS ns-457.awsdns-57.com. psm.knowbe4.com. 1200 IN NS ns-815.awsdns-37.net.
Mail Servers
TTL
psm.knowbe4.com. 300 IN MX 10 inbound-smtp.us-east-1.amazonaws.com.
SOA Details
TTL
15m
SOA
Responsible
awsdns-hostmaster.amazon.com
SOA
Serial
1
SOA
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
psm.knowbe4.com. 900 IN SOA ns-815.awsdns-37.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
psm.knowbe4.com. 300 IN DMARC v=DMARC1; p=none; ri=3600; fo=1; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| - Fail | all |
—
|
|
5m
psm.knowbe4.com. 300 IN TXT "v=spf1 ip4:23.21.109.197 ip4:23.21.109.212 ip4:34.199.159.209 ip4:34.197.134.60 ip4:147.160.167.14 ip4:147.160.167.15 ip4:52.49.235.189 ip4:52.49.201.246 ip4:34.251.106.174 -all"
DNSSEC Public Keys
TTL
DNSKEY
256 3 13 4Z+O56sEfJy6YwRl/LdTOoFW5j66tP3OoWLEBfUQwpCo99zXwSn1iYPa/fo1s6UjnXQ1TNAYE79Z9zICmKethg==
20m
DNSKEY
256 3 13 C+9XE3Ba81EA08PJyGqFx53zrBTXJw4vImtHNh/7CP5WhKIoK8ewUgw4xZSVCTlESTjFhFMheMp6KgIKms5CPA==
20m
DNSKEY
257 3 13 xqdCpRIvuD8WzLpzRRlg7bUdF+ZxLHpivyDW3orXuyah3dYWVJh5a3JfbxBKzIj9+v+A74eSKnGGQQhNxuoQnA==
20m
psm.knowbe4.com. 1200 IN DNSKEY 256 3 13 4Z+O56sEfJy6YwRl/LdTOoFW5j66tP3OoWLEBfUQwpCo99zXwSn1iYPa/fo1s6UjnXQ1TNAYE79Z9zICmKethg== psm.knowbe4.com. 1200 IN DNSKEY 256 3 13 C+9XE3Ba81EA08PJyGqFx53zrBTXJw4vImtHNh/7CP5WhKIoK8ewUgw4xZSVCTlESTjFhFMheMp6KgIKms5CPA== psm.knowbe4.com. 1200 IN DNSKEY 257 3 13 xqdCpRIvuD8WzLpzRRlg7bUdF+ZxLHpivyDW3orXuyah3dYWVJh5a3JfbxBKzIj9+v+A74eSKnGGQQhNxuoQnA==
Delegation Signer
TTL
DS
29403 13 2 463B8C882DEA6ACD8049AA0A004F8E326DECD95F29EF5179727A4DDC83A4EDB6
1m
psm.knowbe4.com. 60 IN DS 29403 13 2 463B8C882DEA6ACD8049AA0A004F8E326DECD95F29EF5179727A4DDC83A4EDB6