Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
straus-online.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 12:30:39 UTC · ↺ Refresh
MX Hostnames
- relay.rzone.de
- strausonline-de01e.mail.protection.outlook.com
MX Priorities
- relay.rzone.de: 100
- strausonline-de01e.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.165 ↩ wa5.rzone.de
- 2a01:238:20a:202:1165::
Mail Server IPs
- 81.169.145.96 ↩ relay.rzone.de
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
docks17.rzone.de hostmaster.strato-rz.de 2020050753 86400 7200 604800 300
Primary NS (mname)
docks17.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050753
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades12.rzone.de
docks17.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.strato.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- @
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.strato.com -all
- MS=ms60833724
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