Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sultanow.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 01:09:13 UTC · ↺ Refresh
MX Hostnames
- mail.sultanow.de
MX Priorities
- mail.sultanow.de: 10
A / AAAA Records
- 31.22.4.89 ↩ sv56.ifastnet5.org
Mail Server IPs
- 31.22.4.89 ↩ sv56.ifastnet5.org
SOA Record
Raw SOA
ns15.domserver.de oo.gerwan.de 2025062800 43200 7200 1209600 86400
Primary NS (mname)
ns15.domserver.de
Admin Email (rname)
oo@gerwan.de
Serial
2025062800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns18.domserver.de
ns16.domserver.de
ns17.domserver.de
ns15.domserver.de
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:82.163.176.18 include:relay.mailchannels.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 +mx +a +ip4:82.163.176.18 include:relay.mailchannels.net ~all
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