Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
hooymans.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 11:34:14 UTC · ↺ Refresh
MX Hostnames
- hooymans-nl.mail.protection.outlook.com
MX Priorities
- hooymans-nl.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.0.209 (no PTR)
- 172.67.128.73 (no PTR)
- 2606:4700:3032::6815:d1
- 2606:4700:3033::ac43:8049
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
mira.ns.cloudflare.com dns.cloudflare.com 2404335197 10000 2400 604800 1800
Primary NS (mname)
mira.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404335197
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
osmar.ns.cloudflare.com
mira.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:178.22.63.137 ip6:2a00:1e28:3:2707:0:0:0:1 ip4:136.243.66.222 ip4:194.165.34.0/24 ip4:176.62.198.0/24 include:sendgrid.net a mx include:spf.protection.outlook.com a:smtpq2.tb.mail.iss.as9143.net include:spf.smtp2go.com include:spf.mandrillapp.com include:servers.mcsv.net ~all
📊 DNS lookups: 10/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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 a mx ip4:178.22.63.137 ip6:2a00:1e28:3:2707:0:0:0:1 ip4:136.243.66.222 ip4:194.165.34.0/24 ip4:176.62.198.0/24 include:sendgrid.net a mx include:spf.protection.outlook.com a:smtpq2.tb.mail.iss.as9143.net include:spf.smtp2go.com include:spf.mandrillapp.com include:servers.mcsv.net ~all
- MS=ms89435870
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