jcu.edu.au

Valid Email Server
Domain Lookup › jcu.edu.au
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
jcu.edu.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 15:28:11 UTC · ↺ Refresh

MX Hostnames

  • smtp-in-cns.jcu.edu.au
  • smtp-in.jcu.edu.au

MX Priorities

No priority data.

A / AAAA Records

  • 104.18.18.28
  • 104.18.19.28
  • 2606:4700::6812:121c
  • 2606:4700::6812:131c

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns0074.secondary.cloudflare.com
ns0200.secondary.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:137.219.20.59 ip4:137.219.20.47 ip4:137.219.220.59 ip4:103.1.195.53 ip4:43.245.42.8 ip4:54.240.30.12 ip4:54.240.30.13 ip4:149.72.131.214 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.qemailserver.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

19 records
  • docusign=f0ecb6a3-513d-4a7f-9373-fb14976ab7cd
  • google-site-verification=rdUtOA3Vh8jNK3BcHRXY3rdCZUjUZnvoKJTfUkxXLCg
  • nintex.632171c582cf34b2f5bf14fc
  • ZA=k+5c3jY0WC1DlRV8+xgrhQ==
  • _ngum34jfgbs8zgn5sg9pgwgfsboydrf
  • adobe-idp-site-verification=4f17cb1198044c3fcaf7aa29bfd197ef639fabedacb665a214689b2c1ccb4329
  • SPFv=spf1 ip4:137.219.20.59 ip4:137.219.20.47 ip4:137.219.220.59 ip4:103.1.195.53 ip4:43.245.42.8 ip4:54.240.30.12 ip4:54.240.30.13 ip4:149.72.131.214 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.qemailserver.com -all
  • twilio-domain-verification=c916286d248d990669d4de7ae45a59ca
  • docusign=26e21bf6-b136-4f57-9c8e-7b82a304dc2c
  • atlassian-sending-domain-verification=73883617-4bd9-4bd2-ae53-d9cb962e4196
  • infoblox-domain-mastery=aee33deedef3c4cc48f2c56755b89a07ca066ef9f1d8545c8b88c718dd2158ff39
  • 978fe8848d324fd6c3d9c89a6484224dcc4be68e0fc6e295c4f478e3
  • miro-verification=423c3bce6a7a96e3f97bee95549704b3464304e6
  • _xgs0eegrqchj9yxyntb67uec100flfh
  • _kkbq4i4610efm8fiic2dxs94lpl37iq
  • google-site-verification=4UyIJ06qSsDS2IkG9ItossgNZg6buUhxd3ke9VTohGg
  • cisco-ci-domain-verification=3e866b5f61f94e0639fed9d1f58275cdd69d8240385a55607cf024f98fb0882a
  • atlassian-domain-verification=B/uyPgrRBhYm3NFwR31XjM51SV812fbLmfRGatg5EdWQHnWWykpGBtSkGRNirmu0
  • fspx3llsdj772d8by9tx63g3dr9wlq9b
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