Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
itsd.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 12:59:52 UTC · ↺ Refresh
MX Hostnames
- mail.itsd.de
MX Priorities
- mail.itsd.de: 10
A / AAAA Records
- 80.153.216.99 ↩ mail.itsd.de
Mail Server IPs
- 80.153.216.99 ↩ mail.itsd.de
SOA Record
Raw SOA
nsa1.schlundtech.de info.itsd.de 2025111301 43200 7200 1209600 86400
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
info@itsd.de
Serial
2025111301
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsb1.schlundtech.de
nsc1.schlundtech.de
nsa1.schlundtech.de
nsd1.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- google-site-verification=5xQWaN1_5kZIzHKvjMK4N70Z1iZ3Xg_A_hpAX9yZ_D8
- SPFv=spf1 mx ~all
- swisssign-check=CxHqKDkA7gL9TOr5QbvhbHSg-do
Full email verification for itsd.de
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