Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arc-architektur.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 18:29:02 UTC · ↺ Refresh
MX Hostnames
- mail.arc-architektur.de
MX Priorities
- mail.arc-architektur.de: 10
A / AAAA Records
- 217.160.0.216 ↩ 217-160-0-216.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2f3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02f3.elastic-ssl.ui-r.com
Mail Server IPs
- 217.92.208.149 ↩ mail.arc-architektur.de
SOA Record
Raw SOA
ns1094.ui-dns.org hostmaster.1und1.de 2017052739 28800 7200 604800 300
Primary NS (mname)
ns1094.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017052739
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1094.ui-dns.biz
ns1094.ui-dns.de
ns1094.ui-dns.org
ns1094.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ 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
2 records- SPFv=spf1 mx -all
- google-site-verification=nHUiFZRL7D85T5pIKZ8ouQu7qDfbRXYPSvH6vWpdacY
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