Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ruthmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 10:30:39 UTC · ↺ Refresh
MX Hostnames
- mforward.dtag.de
- ruthmann-de.mail.protection.outlook.com
MX Priorities
- ruthmann-de.mail.protection.outlook.com: 0
- mforward.dtag.de: 100
A / AAAA Records
- 91.190.229.245 ↩ rp02.deltacity.net
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 194.25.242.123 ↩ mforward.dtag.de
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2026032601 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns1.telekom-domains.de
ns2.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:80.149.72.178 ip4:46.245.216.210 ip4:91.190.227.189 include:spf.protection.outlook.com include:ruthmannde0.onmicrosoft.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- asv domain=59b05df62fe28b0264b5b14741b61c8d
- IH/IJhr7E510d6pjPKLGk1MU08osIibjpZUTMOdkSeQIS8Qa7tBmF/VtFry28KQlLx+vg0cX/SbYFuRLybv7aA==
- openai-domain-verification=dv-PhlTOy1TKO0pb8QIvPqXSQRx
- sophos-domain-verification=64366a788f3144eb8d9a5145dfdbc072da2b134c84cd41a0c65ad035d124e923
- SPFv=spf1 mx ip4:80.149.72.178 ip4:46.245.216.210 ip4:91.190.227.189 include:spf.protection.outlook.com include:ruthmannde0.onmicrosoft.com include:spf-de.emailsignatures365.com -all
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