Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hbsprefab.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 04:01:43 UTC · ↺ Refresh
MX Hostnames
- hbsprefab-nl.mail.protection.outlook.com
MX Priorities
- hbsprefab-nl.mail.protection.outlook.com: 0
A / AAAA Records
- 91.184.0.108 ↩ n04.fwd.prod.hostnet.nl
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.hostnet.nl hostmaster.hostnet.nl 2026032701 14400 3600 1209600 600
Primary NS (mname)
ns01.hostnet.nl
Admin Email (rname)
hostmaster@hostnet.nl
Serial
2026032701
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.hostnet.nl
ns02.hostnet.nl
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:185.85.17.86 ip4:185.85.17.172 ip4:185.85.17.173 a mx include:_spf.hostnet.nl ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
1 record- SPFv=spf1 include:spf.protection.outlook.com ip4:185.85.17.86 ip4:185.85.17.172 ip4:185.85.17.173 a mx include:_spf.hostnet.nl ~all
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