Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
epresources.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 14:37:35 UTC · ↺ Refresh
MX Hostnames
- epresources-de.mail.protection.outlook.com
MX Priorities
- epresources-de.mail.protection.outlook.com: 0
A / AAAA Records
- 81.95.110.23 ↩ gds1.active24.cz
- 81.95.96.29 ↩ default.active24.cz
- 2a02:4a8:ac24:111::110:23
Mail Server IPs
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
alfa.ns.active24.cz hostmaster.active24.cz 2025103002 10800 1800 1209600 3600
Primary NS (mname)
alfa.ns.active24.cz
Admin Email (rname)
hostmaster@active24.cz
Serial
2025103002
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
alfa.ns.active24.cz
beta.ns.active24.cz
gama.ns.active24.sk
SPF Record
✓ Strict (-all)
v=spf1 ip4:80.133.233.129 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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 ip4:80.133.233.129 include:spf.protection.outlook.com -all
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