Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buero15.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 02:55:10 UTC · ↺ Refresh
MX Hostnames
- mx01.ionos.de
- mx00.ionos.de
MX Priorities
- mx01.ionos.de: 10
- mx00.ionos.de: 10
A / AAAA Records
- 68.183.69.144 ↩ 1071127.cloudwaysapps.com
Mail Server IPs
- 217.72.192.67 ↩ mx01.kundenserver.de
- 212.227.15.41 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
ns1064.ui-dns.biz hostmaster.1und1.de 2017051873 28800 7200 604800 300
Primary NS (mname)
ns1064.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017051873
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1064.ui-dns.de
ns1064.ui-dns.org
ns1064.ui-dns.biz
ns1064.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- SPFv=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
- apple-domain-verification=CXJtav9jka_dVi50jNUzwD2WyMY-klS09Ea5ijA8Kac
- apple-domain-verification=n-skUbSfwitmAMTvDA6no5H_7Y-gjU4FCXQwLOuqMNk
- MS=C35A357F701244A71A5CB1CC14F3B83CF86E2978
Full email verification for buero15.com
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