Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s-und-d.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:25:08 UTC · ↺ Refresh
MX Hostnames
- sundd-de0cc.mail.protection.outlook.com
MX Priorities
- sundd-de0cc.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.40 ↩ 217-160-0-40.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::27f ↩ 2001-08d8-100f-f000-0000-0000-0000-027f.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1120.ui-dns.de hostmaster.1und1.de 2017080434 28800 7200 604800 300
Primary NS (mname)
ns1120.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017080434
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1120.ui-dns.org
ns1120.ui-dns.com
ns1120.ui-dns.biz
ns1120.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:servers.mcsv.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
5 records- google-site-verification=SuiTPWv1fMB8bFjQYu6eVXrQhuvWr9XF33IBJdy5AL0
- google-site-verification=9aeIavxx_KQ7-rtqJS29tnFdZRFDWbFGfChBd1DORVk
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmBb2+MW9Eq/HTsyu7LYBpOx43nboGuBjubVKZ5mvSV8UanvrmQ7TxNfH8HTyESUSpPWEA8hPUdPXzV4mvYzf+qutR/T/l5BfJvg6ZwKlfZSt/XrfkQQMq8ayIiIR2Kv1KI4VyMOIx7xpRrNb4usfMwecEflofDuPjJnulbaHJB7w4pUqE1ncrJyuYP1/AQGsxcQgIiZWbOdk82NtDpZZNuV4R/aH7tjClyZ7Owel3fjYmHGQTmVSlGcRwuhRvS4N6q/i2Z+Oq15umXop2XKj37UQv02iJJ/pfuUMylxruLxcAE9AUk+jpCqmmmWmIx7OXqeqb2iHww8QQP6qa6Z7kwIDAQAB
- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:servers.mcsv.net include:spf.protection.outlook.com ~all
- google-site-verification=AeZa7Ic-K931H6VHTSo4Z_q0AuYNCcMJnbiJq6GbeeE
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