Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vg-ak-ff.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 06:24:55 UTC · ↺ Refresh
MX Hostnames
- mailmx0001.rlp.de
- mailmx0003.rlp.de
- mailmx0004.rlp.de
- mailmx0002.rlp.de
MX Priorities
- mailmx0004.rlp.de: 10
- mailmx0001.rlp.de: 10
- mailmx0003.rlp.de: 10
- mailmx0002.rlp.de: 10
A / AAAA Records
- 176.52.244.23 (no PTR)
Mail Server IPs
- 83.243.48.74 ↩ mailmx0004.rlp.de
- 83.243.48.71 ↩ mailmx0001.rlp.de
- 83.243.48.101 ↩ mailmx0003.rlp.de
- 83.243.48.72 ↩ mailmx0002.rlp.de
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1773054816 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1773054816
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.it
ns01.agenturserver.co
ns01.agenturserver.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:83.243.48.64/26 ip4:10.7.96.0/24 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; adkim=s; aspf=s; sp=reject; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
3 records- SPFv=spf1 ip4:83.243.48.64/26 ip4:10.7.96.0/24 -all
- facebook-domain-verification=r2hh9g0sc1te3x8gpkegtqwa355i5w
- MS=ms25337906
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