Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
portofriese.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 11:06:35 UTC · ↺ Refresh
MX Hostnames
- mail.frerichs.dev
MX Priorities
- mail.frerichs.dev: 10
A / AAAA Records
- 193.26.158.101 ↩ v2202011132763131577.goodsrv.de
- 2a03:4000:4c:de7:242b:72ff:fe02:e06b (no PTR)
Mail Server IPs
- 188.68.58.163 ↩ mail.frerichs.dev
- 2a03:4000:6:f160:58c9:faff:fe10:8ebf ↩ mail.frerichs.dev
SOA Record
Raw SOA
ns1047.ui-dns.de hostmaster.1und1.com 2017060112 28800 7200 604800 600
Primary NS (mname)
ns1047.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060112
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1062.ui-dns.org
ns1047.ui-dns.de
ns1037.ui-dns.com
ns1098.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ 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
1 record- SPFv=spf1 mx a -all
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