Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
surf.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 09:42:16 UTC · ↺ Refresh
MX Hostnames
- surf-nl.mail.protection.outlook.com
MX Priorities
- surf-nl.mail.protection.outlook.com: 10
A / AAAA Records
- 145.100.190.243 (no PTR)
- 192.87.108.15 ↩ revproxy20.surfnet.nl
- 2001:610:508:108:192:87:108:15 (no PTR)
- 2001:610:188:410:145:100:190:243 (no PTR)
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.surfnet.nl dns-beheer.surf.nl 2026032004 10800 3600 604800 3600
Primary NS (mname)
ns1.surfnet.nl
Admin Email (rname)
dns-beheer@surf.nl
Serial
2026032004
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.surfnet.nl
ns3.surfnet.nl
ns2.surfnet.nl
ns1.zurich.surf.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.surfmailfilter.nl include:mailplus.nl include:soverin.net include:spf.protection.outlook.com include:spf.surf.nl include:mail.zendesk.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 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
9 records- apple-domain-verification=g7uZuYdCUCKUQJEh
- SPFv=spf1 include:_spf.surfmailfilter.nl include:mailplus.nl include:soverin.net include:spf.protection.outlook.com include:spf.surf.nl include:mail.zendesk.com ~all
- HARICA-TbKrfKhF6FZRm1uAgOJ
- LwdgkMB+IUPOT7+0YXpUA6xInAPm/QkgJGuSci6msn1oZh76zdu2DuXkol9DSKQ4S50VZhZAxZvfRqwpaD7pCw==
- 4KpnMi9KFXJveaqCcl7taNkGhTxHDB0ITMkEidiOEJa5vdx2+L/on3nrIAGKkvhZ8dnPomZoqaZK3Dhp+a9Ilg==
- MS=ms58073161
- adobe-idp-site-verification=bb247cf6e0162a264df1886109d59464c0de78dd3f1e04091bca1c4bf93d10cd
- bw=vBRo1av7Hlff58uTo8JYIGGG1dVp67IqBa9Et9JaLpnr
- mentimeter-5e1dbed6-22e8-40bb-983d-cfb0d2f07fcd
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