Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ostamkoe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:39:32 UTC · ↺ Refresh
MX Hostnames
- mail01.bluebox-world.net
MX Priorities
- mail01.bluebox-world.net: 10
A / AAAA Records
- 49.12.80.173 ↩ box08.bluebox-world.net
- 2a01:4f8:2200:40c5::2 ↩ box08.bluebox-world.net
Mail Server IPs
- 5.9.122.246 ↩ mail01.bluebox-world.net
- 2a01:4f8:162:72dd::2 ↩ mail01.bluebox-world.net
SOA Record
Raw SOA
a.ns14.net kf.bluebox-productions.com 2026011503 39940 14400 604800 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
kf@bluebox-productions.com
Serial
2026011503
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
c.ns14.net
b.ns14.net
d.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.bluebox-world.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 include:spf.bluebox-world.net -all
Full email verification for ostamkoe.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits