Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syskoplan.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 14:16:14 UTC · ↺ Refresh
MX Hostnames
- syskoplan-de.mail.protection.outlook.com
MX Priorities
- syskoplan-de.mail.protection.outlook.com: 10
A / AAAA Records
- 54.76.134.21 ↩ ec2-54-76-134-21.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.syskoplan.de noc.is4.de 2026032001 43200 7200 1209600 10800
Primary NS (mname)
ns.syskoplan.de
Admin Email (rname)
noc@is4.de
Serial
2026032001
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns.syskoplan.de
outer.syskoplan.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:212.227.136.189 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 mx ip4:212.227.136.189 include:spf.protection.outlook.com -all
- MS=ms94080302
- =DMARC1; p=none; rua=mailto:[email protected]; adkim=r; aspf=r; fo=0; ri=86400
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