Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
designoffices.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 14:03:38 UTC · ↺ Refresh
MX Hostnames
- mail.designoffices.de
MX Priorities
- mail.designoffices.de: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 193.38.40.3 ↩ mail.designoffices.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026012600 86400 1800 3600000 1800
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026012600
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
1800s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.designoffices.de include:spf.protection.outlook.com include:spf.crsend.com include:email.prnewswire.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 mx a:mail.designoffices.de include:spf.protection.outlook.com include:spf.crsend.com include:email.prnewswire.com include:spf-de.emailsignatures365.com -all
- apple-domain-verification=ppyxoTOQ0X1HBKZE
- docusign=65cb9ba6-9177-4bdc-967e-904052f3e776
- MS=ms34458010
- UhNddOA+ypVnPQushn/XG/Xamra+v9TzxSrJF7ohFvdb4kKnH1yLNlJ9DekBcqD9izdV7Bpd2Xy66i1ZCl+LeA==
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