Domain Overview
DNS: ✓ just now
Checker: ✓ just now
renate-keller-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-01 22:50:17 UTC · ↺ Refresh
MX Hostnames
- smtp.markwardt-it.de
MX Priorities
- smtp.markwardt-it.de: 10
A / AAAA Records
- 37.120.173.231 ↩ smtp.markwardt-it.de
- 2a03:4000:6:70ac::6:100 (no PTR)
Mail Server IPs
- 37.120.173.231 ↩ smtp.markwardt-it.de
- 2a03:4000:6:70ac:8843:f9ff:fe82:decc ↩ smtp.markwardt-it.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024062212 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024062212
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.de
ns.udag.org
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ~all
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