Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rhein-zeitung.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:58:46 UTC · ↺ Refresh
MX Hostnames
- rheinzeitung-net01c.mail.protection.outlook.com
MX Priorities
- rheinzeitung-net01c.mail.protection.outlook.com: 0
A / AAAA Records
- 82.115.96.112 ↩ home.ktk.de
- 2a02:1628::c00a:0:0:0:112 ↩ home.ktk.de
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a:sso.rhein-zeitung.net ip4:18.196.115.44 ip4:18.196.115.44 ip4:62.55.182.68 ip4:194.195.3.64/27 ip4:193.105.103.0/24 ip4:185.132.224.0/24 include:spf.emailsignatures365.com include:agenturserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; adkim=s; aspf=r; fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 a:sso.rhein-zeitung.net ip4:18.196.115.44 ip4:18.196.115.44 ip4:62.55.182.68 ip4:194.195.3.64/27 ip4:193.105.103.0/24 ip4:185.132.224.0/24 include:spf.emailsignatures365.com include:agenturserver.de include:spf.protection.outlook.com -all
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