refresco.de

Valid Email Server
Domain Lookup › refresco.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
refresco.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 12:00:03 UTC · ↺ Refresh

MX Hostnames

  • refresco-de.mail.protection.outlook.com

MX Priorities

  • refresco-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 108.162.192.221 ↩ sharon.ns.cloudflare.com

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.openprovider.nl dns.openprovider.eu 2025103101 10800 3600 604800 3600
Primary NS (mname)
ns1.openprovider.nl
Admin Email (rname)
dns@openprovider.eu
Serial
2025103101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.openprovider.be
ns3.openprovider.eu
ns1.openprovider.nl

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:94.199.88.0/22 ip4:82.135.18.0/23 ip4:62.245.148.0/26 ip4:62.134.45.32/28 ip4:217.111.120.0/27 ip4:94.199.89.34/32 ip4:94.199.92.185/32 ip4:212.117.77.134/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:94.199.88.0/22 ip4:82.135.18.0/23 ip4:62.245.148.0/26 ip4:62.134.45.32/28 ip4:217.111.120.0/27 ip4:94.199.89.34/32 ip4:94.199.92.185/32 ip4:212.117.77.134/32 -all
  • MS=ms29138335
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