Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mccullough.com.au
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:19:00 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
- 110.232.143.144 ↩ syn05de.syd7.hostyourservices.net
Mail Server IPs
- 103.96.22.26 ↩ au-smtp-inbound-2.mimecast.com
- 103.96.20.26 ↩ au-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-648.awsdns-17.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-648.awsdns-17.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1789.awsdns-31.co.uk
ns-426.awsdns-53.com
ns-648.awsdns-17.net
ns-1302.awsdns-34.org
SPF Record
✓ Strict (-all)
v=spf1 include:au._netblocks.mimecast.com include:_netblocks.mccullough.com.au include:emailcc.com include:_spf.createsend.com include:_spf.atlassian.net include:_spf.vo.thomsonreuters.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- zapier-domain-verification-challenge=1fd4c824-544a-47c3-b8aa-df4a220ba05c
- I+AYjwqL/DD+4AUslZ0EufZX23KgxJHw7jGqByHE/mQU7mqII65f6HpqPomPCHXzxh59UJ5bAkmxyR2TA4YNyA==
- MS=ms87876850
- atlassian-domain-verification=/Z9lN/yBApU+jZGRYiWCzIFDkuipXW/iNw7FXQXFoDxIHFrIPWDgKsVOwi+uWWOw
- atlassian-sending-domain-verification=569bad22-5863-436d-8eca-7f91a2a12bc7
- canva-site-verification=JEPDgeB2oa-YavvpP_DymA
- d365mktkey=3f4tsdrni0vzhoc7xzu6e9vl7
- docusign=a834767e-9418-4b69-bc39-2e81f2632210
- google-site-verification=3RPL3CxBUEBuKuqmH7RPe70DsXXXgNtRUQnu50ELpHg
- openai-domain-verification=dv-KKNylrt9AqkkPbZTU5bbC1Gg
- SPFv=spf1 include:au._netblocks.mimecast.com include:_netblocks.mccullough.com.au include:emailcc.com include:_spf.createsend.com include:_spf.atlassian.net include:_spf.vo.thomsonreuters.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for mccullough.com.au
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits