Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rsmedia-verlag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 21:19:22 UTC · ↺ Refresh
MX Hostnames
- rsmediaverlag-de01i.mail.protection.outlook.com
MX Priorities
- rsmediaverlag-de01i.mail.protection.outlook.com: 0
A / AAAA Records
- 208.82.72.21 ↩ lb-mtx-vmp-prod.dns.boreus.de
Mail Server IPs
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.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:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.km30511.keymachine.de wk.rsmedia-verlag.de 2025062000 14400 1800 604800 3600
Primary NS (mname)
ns.km30511.keymachine.de
Admin Email (rname)
wk@rsmedia-verlag.de
Serial
2025062000
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.km30511.keymachine.de
ns.km30511.keymachine.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- facebook-domain-verification=2997ioz9vll3ev3er9hqzj1jy6x27w
- logmein-verification-code=da73566f-08bb-4a75-86e6-b3b5b68ad710
- SPFv=spf1 a mx include:spf.protection.outlook.com -all
- MS=ms18703605
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