Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alexander-buerkle.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 22:00:49 UTC · ↺ Refresh
MX Hostnames
- mx2.alexander-buerkle.de
- mx.alexander-buerkle.de
MX Priorities
- mx2.alexander-buerkle.de: 20
- mx.alexander-buerkle.de: 10
A / AAAA Records
- 104.26.4.47 (no PTR)
- 172.67.73.239 (no PTR)
- 104.26.5.47 (no PTR)
- 2606:4700:20::ac43:49ef (no PTR)
- 2606:4700:20::681a:42f (no PTR)
- 2606:4700:20::681a:52f (no PTR)
Mail Server IPs
- 145.253.170.22 (no PTR)
- 213.164.94.235 ↩ mx.alexander-buerkle.de
SOA Record
Raw SOA
ajay.ns.cloudflare.com dns.cloudflare.com 2397315618 10000 2400 604800 1800
Primary NS (mname)
ajay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397315618
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ajay.ns.cloudflare.com
danica.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:213.164.94.224/27 ip4:145.253.170.0/27 include:spf.protection.outlook.com include:_spf.atlassian.net include:_spf.salesforce.com include:_spf1.jupiter.salesmanago.pl include:_spf2.jupiter.salesmanago.pl -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- atlassian-sending-domain-verification=ce795097-0e2e-4664-b731-c2cb8884a05c
- google-site-verification=DHU5rlbbIk9-2N-OyYHjlU0LSPvo2WadGThH9RVrdYY
- miro-verification=716abbc8296165091d2b671908d68e446ab0258c
- nncgbhnrfgcubfpb3jvpu4vfri
- smv=t313h6ekdpwfcygj
- swisssign-check=QilVUCz81Ph_ajeYlZNJLlnhJ8U
- SPFv=spf1 ip4:213.164.94.224/27 ip4:145.253.170.0/27 include:spf.protection.outlook.com include:_spf.atlassian.net include:_spf.salesforce.com include:_spf1.jupiter.salesmanago.pl include:_spf2.jupiter.salesmanago.pl -all
- MS=ms59357884
- Sendinblue-code:81c37d2a168e1389628020285e7cf61d
- Zg8P8FWlELA+LgKMYxni+QNGc4wHX7B44Aiomfn22DZChdmwSqperLznMKtyWRY2YoAkdurLwTXQnC2mkT5bCQ==
- apple-domain-verification=KUXBXZ01GobSRO5n
- atlassian-domain-verification=S7LVc/PkbcdUF8WsE1GqvUVu2zDfT5rdqHBAscLvRz1p7IVajeFB63rubRiwYmOU
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