astrontech.com.au

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
astrontech.com.au
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 22:50:32 UTC · ↺ Refresh

MX Hostnames

  • astrontech-com-au.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 172.67.153.252
  • 104.21.4.101
  • 2606:4700:3033::6815:465
  • 2606:4700:3037::ac43:99fc

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

trace.ns.cloudflare.com
etta.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:20.53.170.36 ip4:52.237.193.170 include:md02.com include:servers.mcsv.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.mspmanager.com include:spf.mtaroutes.com include:_spf.salesforce.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

5 records
  • SPFv=spf1 ip4:20.53.170.36 ip4:52.237.193.170 include:md02.com include:servers.mcsv.net include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.mspmanager.com include:spf.mtaroutes.com include:_spf.salesforce.com -all
  • BPL=6696755
  • MS=ms24977258
  • google-site-verification=z5wn0PaUImxGrYyp-dzJ8M9KpAbsr6hb1Wa8dcN564U
  • sending_domain991692=daecd49c37bdb1539ad4d765fea719f31ef2051120dac7e53539b8e96c127579
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