Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bluepenguin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 13:40:21 UTC · ↺ Refresh
MX Hostnames
- mail.bluepenguin.de
MX Priorities
- mail.bluepenguin.de: 10
A / AAAA Records
- 172.67.70.249 (no PTR)
- 104.26.4.2 (no PTR)
- 104.26.5.2 (no PTR)
- 2606:4700:20::ac43:46f9 (no PTR)
- 2606:4700:20::681a:502 (no PTR)
- 2606:4700:20::681a:402 (no PTR)
Mail Server IPs
- 49.12.82.200 ↩ mail.bluepenguin.de
- 2a01:4f8:2200:4312::200 ↩ mail.bluepenguin.de
SOA Record
Raw SOA
sue.ns.cloudflare.com dns.cloudflare.com 2399211872 10000 2400 604800 1800
Primary NS (mname)
sue.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399211872
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sue.ns.cloudflare.com
theo.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:49.12.82.200 ip6:2a01:4f8:2200:4312::200 ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=none; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:49.12.82.200 ip6:2a01:4f8:2200:4312::200 ?all
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