Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schiffdorf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:07:34 UTC · ↺ Refresh
MX Hostnames
- mx01.bit.bremerhaven.de
MX Priorities
- mx01.bit.bremerhaven.de: 10
A / AAAA Records
- 89.110.176.223 (no PTR)
Mail Server IPs
- 185.204.97.33 ↩ mx01.bit.bremerhaven.de
- 2a0a:f540:feed:1111::38 ↩ mx01.bit.bremerhaven.de
SOA Record
Raw SOA
ns01.bremerhaven.de hostmaster.bit.bremerhaven.de 2022062414 43200 3600 2419200 86400
Primary NS (mname)
ns01.bremerhaven.de
Admin Email (rname)
hostmaster@bit.bremerhaven.de
Serial
2022062414
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns-02.briteline.de
ns01.bremerhaven.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.204.97.164/32 ip4:185.204.97.8/32 ip4:185.204.97.41/32 ip6:2a0a:f540:feed:11::4/128 ip6:2a0a:f540:feed:1111::18/128 ip6:2a0a:f540:feed:150::16/128 include:_spf.nol-is.de include:_spf.kdo.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- apple-domain-verification=HCqPTHZrs4GaKAp3
- MS=ms78442596
- SPFv=spf1 ip4:185.204.97.164/32 ip4:185.204.97.8/32 ip4:185.204.97.41/32 ip6:2a0a:f540:feed:11::4/128 ip6:2a0a:f540:feed:1111::18/128 ip6:2a0a:f540:feed:150::16/128 include:_spf.nol-is.de include:_spf.kdo.de -all
- MS=9818F0D8FD4E0E8ABEE1F697BD4A4364838F06AA
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