Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rto.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:38:24 UTC · ↺ Refresh
MX Hostnames
- mail.rto.de
MX Priorities
- mail.rto.de: 20
A / AAAA Records
- 185.137.29.205 ↩ ip-185-137-29-205.as203175.rto.de
Mail Server IPs
- 185.137.30.4 ↩ mail.rto.de
SOA Record
Raw SOA
a.ns14.net domains.rto.de 2026011860 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domains@rto.de
Serial
2026011860
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
d.ns14.net
b.ns14.net
a.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf.mbv-it.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
6 records- SPFv=spf1 mx include:_spf.mbv-it.de include:spf.protection.outlook.com ~all
- openai-domain-verification=dv-Rn1pKSfS4FvXAv0CxFseuPAr
- google-site-verification=4iAIy6JVdqdlzRe66_9K6VCvgF5c70_Sa687N41rv8Q
- atlassian-domain-verification=VwqjQYb7AI2sFmmHeo3fYYkqJAbwVGvcah9Mho8t4lifed2q9JrpvaOT4QiX8DQh
- atlassian-sending-domain-verification=435c8ae8-e659-4314-88d7-21b0e0ff8ca3
- google-site-verification=PxFo0DH6opcqbLsAwRapgBFYLPok2fUcpBAsbNzb-Z4
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