Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knox.nsw.edu.au
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 23:39:44 UTC · ↺ Refresh
MX Hostnames
- au-smtp-inbound-1.mimecast.com
- au-smtp-inbound-2.mimecast.com
MX Priorities
- au-smtp-inbound-2.mimecast.com: 10
- au-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 99.84.234.80 ↩ server-99-84-234-80.jfk50.r.cloudfront.net
- 99.84.234.76 ↩ server-99-84-234-76.jfk50.r.cloudfront.net
- 99.84.234.82 ↩ server-99-84-234-82.jfk50.r.cloudfront.net
- 99.84.234.40 ↩ server-99-84-234-40.jfk50.r.cloudfront.net
Mail Server IPs
- 103.96.20.26 ↩ au-smtp-inbound-1.mimecast.com
- 103.96.22.26 ↩ au-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
alexia.ns.cloudflare.com dns.cloudflare.com 2399137157 10000 2400 604800 1800
Primary NS (mname)
alexia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399137157
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alexia.ns.cloudflare.com
sri.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=9u2b7k32._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- adobe-idp-site-verification=2d1939de72a237076aee37f72652540f55cb4888c706dfcad3aebe86e7f72773
- adobe-idp-site-verification=e731787917027a938b84a824403ce7ffd64149dc896f1f1802cf593795a1720a
- airlockcloud-saml-domain-verification=con_2cqbdnDNy4cLbg9M
- anthropic-domain-verification-4ka8ha=Qume3jCwpJ5J3SXGpnMN1Bypf
- apple-domain-verification=CJaWMJkT3IwKAQdU
- apple-domain-verification=LHMKwEzN1fo4IAoz
- apple-domain-verification=i83RzUs68upytq8C
- atlassian-domain-verification=llHeVFHzay1ZsY2UnufN6ccuqn28Ht4eaTvwJaHLp1HIoF/UJxcKn6yE8lQ1SNeo
- autodesk-domain-verification=mq-o8F8ArOeQp7Ux3k7z
- jamf-site-verification=gAfEDJdGA15bz6Gp5YDmew
- SPFv=spf1 redirect=9u2b7k32._spf._d.mim.ec
- EtEVRdUViwb5GYZ2M1m2MSdNSuJlDXL/Kj0AD6a/nXV9oiO2cgoJtbTe2ozlOR8W6EYul5oRvbTOIOfm1QhECw==
- a9b367423deeda941daf0302f6dd6069
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