Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ralfschmitz.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:30:46 UTC · ↺ Refresh
MX Hostnames
- ralfschmitz-com.mail.protection.outlook.com
MX Priorities
- ralfschmitz-com.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.79 ↩ w0f.rzone.de
- 2a01:238:20a:202:1079:: ↩ w0f.rzone.de
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
docks03.rzone.de hostmaster.strato-rz.de 2020051234 86400 7200 604800 300
Primary NS (mname)
docks03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051234
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades14.rzone.de
docks03.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:m.ralfschmitz.com ip4:80.150.4.168/29 ip4:130.180.40.210/30 ip4:90.187.218.73 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:servers.mcsv.net include:_spf.strato.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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- _telesec-domain-validation=300507_2023-02-13_AOamQAtTVmYheFj9MJ7mX51pRE7upz0FSguwuEbnFtK3VdRTEM
- _telesec-domain-validation=343901_2025-01-04_Ey9NqQhTjuQsurT1FzrGtXH3KLnMbDTDkK5CYyw2Xi4ScpUYTi
- SPFv=spf1 mx a:m.ralfschmitz.com ip4:80.150.4.168/29 ip4:130.180.40.210/30 ip4:90.187.218.73 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:servers.mcsv.net include:_spf.strato.com -all
- 2024101611200058nuy7w1yg0ztlswxuwpk82wyxzdtb3n8jgi23fnoa2egz716k
- openai-domain-verification=dv-dX16yX8C6JoJ2OdFL8Qvhb7Z
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