Castledown.com Castledown
Server IP address resolved: Yes
Http response code: 200
Response time: 0.37 sec.
Last Checked: 06/14/2026
Castledown.com attracts 77 unique visitors daily, generating 539 pageviews. The estimated value of castledown.com is 6,249 USD. Each visitor views approximately 7.49 pages on average.
According to Majestic's traffic estimates, castledown.com ranks 32,366 globally.
Castledown.com server is located in Australia, so we cannot determine if the distance might affect the page load time.
See the list of other websites hosted by Instra Corporation Pty Ltd.
Castledown.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.
A recent examination on (January 31, 2025), indicates that castledown.com has an expired SSL certificate issued by Let's Encrypt (expired on March 16, 2025). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.
According to Google Safe Browsing and Symantec castledown.com appears to be a safe domain.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton ConnectSafe evaluates castledown.com for any unsafe and insecure content. The results are critical for families with young children.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee assesses castledown.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze castledown.com for mature or inappropriate content, only security checks are evaluated.

The WOT calculates reputation of the castledown.com. This reputation system receives ratings from users and information from third-party sources, assesses the castledown.com for safety features and confirms, whether castledown.com is suitable for children.
| Domain | mail.castledown.com |
| Issuer Organization | Let's Encrypt |
| Issuer | R10 |
| Algorithm | RSA-SHA256 |
| Valid form | 12/16/2024 |
| Expiration | 03/16/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
castledown.com mail.castledown.com www.castledown.com |
ASN ID: 133104
ASN Title: Instra Corporation Pty Ltd
Last Update: 10/24/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS132096 - AS133119'
as-block: AS132096 - AS133119
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2011-08-10T06:21:42Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS133104'
% Abuse contact for 'AS133104' is 'abuse@instra.com'
aut-num: AS133104
as-name: INSTRACORPORATION-AS-AP
descr: Instra Corporation Pty Ltd
country: AU
org: ORG-ICPL3-AP
admin-c: CD865-AP
tech-c: AW800-AP
mnt-by: APNIC-HM
mnt-routes: MAINT-AU-INSTRACORPORATION
mnt-irt: IRT-INSTRACORPORATION-AU
last-modified: 2019-03-15T12:27:22Z
import: from AS1299 accept ANY
import: from AS20454 accept ANY
export: to AS1299 announce AS133104
export: to AS20454 announce AS133104
source: APNIC
irt: IRT-INSTRACORPORATION-AU
address: GPO Box 988
address: Melbourne VIC 3001
address: Australia
e-mail: abuse@instra.com
abuse-mailbox: abuse@instra.com
admin-c: PP249-AP
tech-c: AW800-AP
auth: # Filtered
mnt-by: MAINT-AU-INSTRACORPORATION
last-modified: 2018-06-13T03:52:01Z
source: APNIC
organisation: ORG-ICPL3-AP
org-name: Instra Corporation Pty Ltd
country: AU
address: Level 1
address: 222 Beach Road
phone: +61-3-9783-1800
fax-no: +61-3-9783-6844
e-mail: techteam@instra.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2017-08-20T22:56:16Z
source: APNIC
person: Adrian Williams
address: Level 2, 222 Beach Road
country: AU
phone: +61-3-97831800
e-mail: adrianw@instra.com
nic-hdl: AW800-AP
mnt-by: MAINT-AU-INSTRACORPORATION
last-modified: 2018-06-13T03:51:53Z
source: APNIC
person: Craig Dickinson
address: Level 2, 222 Beach Road
country: AU
phone: +61-3-97831800
e-mail: craigd@instra.com
nic-hdl: CD865-AP
mnt-by: MAINT-AU-INSTRACORPORATION
last-modified: 2018-06-13T03:53:50Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-47 (WHOIS-US4)
Domain Name: CASTLEDOWN.COM
Registry Domain ID: 1536728642_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.instra.net
Registrar URL: http://www.instra.com
Updated Date: 2021-12-23T15:45:46Z
Creation Date: 2009-01-09T11:03:15Z
Registry Expiry Date: 2023-01-09T11:03:15Z
Registrar: Instra Corporation Pty Ltd.
Registrar IANA ID: 1376
Registrar Abuse Contact Email: abuse@instra.com
Registrar Abuse Contact Phone: +61.397831800
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.ONLYDOMAINS.COM
Name Server: NS2.ONLYDOMAINS.COM
Name Server: NS3.ONLYDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-09-02T23:31:04Z
| Host | A Record | TTL |
|---|---|---|
| castledown.com | 13.236.43.253 | 86400 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| castledown.com | mail.castledown.com | 10 | 86400 |
| Host | NS Record | TTL |
|---|---|---|
| castledown.com | ns1.onlydomains.com | 86400 |
| castledown.com | ns2.onlydomains.com | 86400 |
| castledown.com | ns3.onlydomains.com | 86400 |
| Host | TXT Record | TTL |
|---|
ns1.onlydomains.com
TTL: 86400
Email address: root.onlydomains.com
Serial: 2020073101
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 86400
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