Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tristo.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 08:37:01 UTC · ↺ Refresh
MX Hostnames
- tristo-nl.mail.protection.outlook.com
MX Priorities
- tristo-nl.mail.protection.outlook.com: 10
A / AAAA Records
- 91.184.0.200 ↩ balancing.hostnet.nl
- 2a02:2268:1::f816:3eff:fe7b:63c6 (no PTR)
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.hostnet.nl hostmaster.hostnet.nl 2026031001 14400 3600 1209600 600
Primary NS (mname)
ns01.hostnet.nl
Admin Email (rname)
hostmaster@hostnet.nl
Serial
2026031001
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.hostnet.nl
ns02.hostnet.nl
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.hostnet.nl include:spf.protection.outlook.com include:spf.dieder.it -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; adkim=r; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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 a mx include:_spf.hostnet.nl include:spf.protection.outlook.com include:spf.dieder.it -all
- MS=ms49688549
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