Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smileoptic.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 06:36:25 UTC · ↺ Refresh
MX Hostnames
- smileoptic-de.mail.protection.outlook.com
MX Priorities
- smileoptic-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.88.213.146 ↩ srv-a-io.c-994.maxcluster.net
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
nameserver-1-io.maxcluster.net info.maxcluster.net 2026021907 3600 1000 1209600 600
Primary NS (mname)
nameserver-1-io.maxcluster.net
Admin Email (rname)
info@maxcluster.net
Serial
2026021907
Refresh
3600s
Retry
1000s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nameserver-2-io.maxcluster.net
nameserver-1-io.maxcluster.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com ip4:185.88.215.250 ip4:185.88.213.146 ip6:2a00:f48:1008::215:250:10 ip6:2a00:f48:1008::213:146:10 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
3 records- SPFv=spf1 a mx include:spf.protection.outlook.com ip4:185.88.215.250 ip4:185.88.213.146 ip6:2a00:f48:1008::215:250:10 ip6:2a00:f48:1008::213:146:10 ~all
- brevo-code:038ba0715d21ceb3228743050fa68906
- google-site-verification=h-ZWrNWSl6gMUXoF3pYSKVwRg6Ph3NRA7umvLVzyjGU
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