Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
korsch-verlag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 10:59:13 UTC · ↺ Refresh
MX Hostnames
- korschverlag-de01e.mail.protection.outlook.com
MX Priorities
- korschverlag-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 5.35.253.172 ↩ korschweb1.rs.wirth-horn.de
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
anton.ns.cloudflare.com dns.cloudflare.com 2397195254 10000 2400 604800 1800
Primary NS (mname)
anton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397195254
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dahlia.ns.cloudflare.com
anton.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:spf.protection.outlook.com include:ispgateway.de include:_spf.wirth-horn.de include:_spf1.smtp-gateway.de ip4:213.174.32.0 ip4:185.98.184.0/24 ip4:80.82.206.0/26 ip4:109.234.127.0/24 ip4:185.98.184.0/22 ip4:80.82.206.0/26 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ Public key: 10 chars (valid)
⚠ Public key too short (10 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- DMARCv=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1;
- SPFv=spf1 mx a include:spf.protection.outlook.com include:ispgateway.de include:_spf.wirth-horn.de include:_spf1.smtp-gateway.de ip4:213.174.32.0 ip4:185.98.184.0/24 ip4:80.82.206.0/26 ip4:109.234.127.0/24 ip4:185.98.184.0/22 ip4:80.82.206.0/26 ~all
- MS=ms98872071
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