Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
riverview.nsw.edu.au
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 21:23:02 UTC · ↺ Refresh
MX Hostnames
- d182727a.ess.barracudanetworks.com
- d182727b.ess.barracudanetworks.com
MX Priorities
- d182727a.ess.barracudanetworks.com: 10
- d182727b.ess.barracudanetworks.com: 15
A / AAAA Records
- 104.26.5.85 (no PTR)
- 104.26.4.85 (no PTR)
- 172.67.68.122 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
andy.ns.cloudflare.com dns.cloudflare.com 2400482515 10000 2400 604800 1800
Primary NS (mname)
andy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400482515
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
demi.ns.cloudflare.com
andy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:103.53.187.53 ip4:103.53.187.57 include:spf.ess.barracudanetworks.com include:mailgun.org include:spf.mandrillapp.com include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- apple-domain-verification=thjXgNOisV1NMU9L
- google-site-verification=da8BoV6MeE6_qxxyI9j6HNV6hTcWPAerrFR6RYWgTPU
- adobe-idp-site-verification=891cbdbe40566587654dc1098f49b0252a78b2350f871f9f85dce6394072b05b
- google-site-verification=08nkB3bkjBgoJlufemLG2TmbYnuGZPXPxBV-uv8XXKE
- SPFv=spf1 include:spf.protection.outlook.com ip4:103.53.187.53 ip4:103.53.187.57 include:spf.ess.barracudanetworks.com include:mailgun.org include:spf.mandrillapp.com include:sendgrid.net -all
- MS=ms82572638
- autodesk-domain-verification=ZX7WpRB20274PxYz3WN6
- atlassian-domain-verification=06O74057Red3OMQsG28jO2/5a92EEEi5ytrAPo06w/k4d9q1WFFV/t4UpxQ7kspF
- google-site-verification=xVqpK-eHIGyoFWVHTv-4YqCk7mPKQzZzsqr2eAMabHc
- v=msv1 t=aa3cd5958e495d47a61dd4b9e5101c
- atlassian-domain-verification=VdSoZs06h6frrGLJkvlnPXdfQUmBYye3d8iEgb2zIPWBzSuB8oNll5WNLCA/cD7/
- google-site-verification=zMTFe-vQFW8FTaPZxAi4-YawytR8J7GwhdAl6D_fUE0
- jamf-site-verification=xRMx1S2MT59p-c5Xt9Zlwg
- IoHEdmoMKr1OnHZoZlOq7Xqr6REEfN5jMJa52Rgwg3+gcT0t2gdr8hzErNPPm9YDF/toeNIc4+cGZMJKQLEMAw==
- dfcffe4310b11daacce47cfec0941859
- MS=ms82931481
- adobe-sign-verification=800fda9eba100fe0ad61370ff8a8a2c9
- google-site-verification=tB_UxfSyFHbo5rx29cNJ8v-gV14LBMXZ0w5epIDURwo
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