krb.nsw.edu.au

Valid Email Server
Domain Lookup › krb.nsw.edu.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
krb.nsw.edu.au
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 19:09:42 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

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

  • 110.232.143.71 ↩ syn02ae.syd6.hostyourservices.net

Mail Server IPs

  • 103.96.22.26 ↩ au-smtp-inbound-1.mimecast.com
  • 103.96.20.26 ↩ au-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns-1129.awsdns-13.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1129.awsdns-13.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-410.awsdns-51.com
ns-613.awsdns-12.net
ns-1129.awsdns-13.org
ns-1597.awsdns-07.co.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:138.44.13.194 include:spf.protection.outlook.com include:au._netblocks.mimecast.com include:_spf.createsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=60; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 60% of failing messages only

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

2 records
  • SPFv=spf1 ip4:138.44.13.194 include:spf.protection.outlook.com include:au._netblocks.mimecast.com include:_spf.createsend.com -all
  • google-site-verification=UvJ694R_mDlDUXUMoF4swrGO6uGVFb21jSr78U7u820
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 · Customize →
See demo & docs
Deep verification
Full email verification for krb.nsw.edu.au

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits