Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marketinginstitut.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:27:32 UTC · ↺ Refresh
MX Hostnames
- marketinginstitut-biz.mail.protection.outlook.com
MX Priorities
- marketinginstitut-biz.mail.protection.outlook.com: 10
A / AAAA Records
- 78.46.5.28 ↩ dedi1228.your-server.de
- 2a01:4f8:d0a:22ec::2 ↩ dedi1228.your-server.de
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1103.ui-dns.org hostmaster.schlund.de 2017061455 28800 7200 604800 300
Primary NS (mname)
ns1103.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2017061455
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1103.ui-dns.biz
ns1103.ui-dns.org
ns1103.ui-dns.de
ns1103.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:frnl.de ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=50;adkim=r;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
⚠ Policy applies to 50% of failing messages only
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
4 records- openai-domain-verification=dv-rOOgAlVjThBLBgs66TTNB69V
- v=verifydomain MS=1863649
- SPFv=spf1 a mx include:spf.protection.outlook.com include:frnl.de ~all
- MS=ms53564573
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