| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| portcullis-security.com | SOA | 1800 | ns1.cisco.com postmaster@cisco.com 11 7200 1800 864000 1800 | |
| portcullis-security.com | NS | 1800 | ns1.cisco.com | |
| portcullis-security.com | NS | 1800 | ns3.cisco.com | |
| portcullis-security.com | NS | 1800 | ns2.cisco.com | |
| portcullis-security.com | A | 600 | 185.199.111.153 | |
| portcullis-security.com | MX | 600 | 10 | alln-mx-01.cisco.com |
| portcullis-security.com | MX | 600 | 30 | aer-mx-01.cisco.com |
| portcullis-security.com | MX | 600 | 20 | rcdn-mx-01.cisco.com |
| www.portcullis-security.com | A | 300 | 185.199.109.153 | |
| www.portcullis-security.com | A | 300 | 185.199.111.153 | |
| www.portcullis-security.com | A | 300 | 185.199.108.153 | |
| www.portcullis-security.com | A | 300 | 185.199.110.153 | |
| www.portcullis-security.com | CNAME | 300 | labs.portcullis.co.uk |