Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schoolbird.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 11:00:14 UTC · ↺ Refresh
MX Hostnames
- w0204d57.kasserver.com
MX Priorities
- w0204d57.kasserver.com: 10
A / AAAA Records
- 104.21.86.221 (no PTR)
- 172.67.137.64 (no PTR)
- 2606:4700:3034::ac43:8940 (no PTR)
- 2606:4700:3030::6815:56dd (no PTR)
Mail Server IPs
- 85.13.144.2 ↩ dd41226.kasserver.com
SOA Record
Raw SOA
coen.ns.cloudflare.com dns.cloudflare.com 2399931919 10000 2400 604800 1800
Primary NS (mname)
coen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399931919
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
coen.ns.cloudflare.com
ruth.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- brevo-code:bf6083eefd5a7c2adc1e55ee529c444c
- sipgate_domain_verification=k5uTwEu19QZQ8wnjDMuVBhkiKf2oi5d1
- SPFv=spf1 mx a include:mailgun.org ~all
Full email verification for schoolbird.de
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