Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
act-consult.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 07:01:14 UTC · ↺ Refresh
MX Hostnames
- mx1.holde-ag.de
MX Priorities
- mx1.holde-ag.de: 10
A / AAAA Records
- 213.136.79.69 ↩ mail.airports-support.de
Mail Server IPs
- 213.239.211.227 ↩ mx1.holde-ag.de
- 2a01:4f8:a0:943d::2 ↩ mx1.holde-ag.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2023110305 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2023110305
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.net
ns.udag.org
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=s25eXjfFea0UHZ1XSCccGtcms5WazLwtq3g4MxEnLek
- SPFv=spf1 mx -all
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