Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
di-uni.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 13:59:13 UTC · ↺ Refresh
MX Hostnames
- diuni-de0e.mail.protection.outlook.com
MX Priorities
- diuni-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 185.166.21.227 ↩ shared-clump0206-web.agenturserver.it
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1057.ui-dns.org hostmaster.1und1.com 2017060227 28800 7200 604800 600
Primary NS (mname)
ns1057.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060227
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1113.ui-dns.biz
ns1057.ui-dns.org
ns1095.ui-dns.com
ns1074.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.mailjet.com include:agenturserver.de include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=0; rf=afrf;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- v=verifydomain MS=5503801
- google-site-verification=E4xYZ4BS5vW5d_umyGGLy8Jb2wNkOrZLlrnKcxZalts
- google-site-verification=qeb9wF12lkOvmLgN6MOebUJ4jP64AyYlQGoRZoabbzI
- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.mailjet.com include:agenturserver.de include:_spf.salesforce.com -all
- google-site-verification=0y7AbiiP2kWfRyTvLYIBo06VmTW5ItM7nsveSqLZPeI
- linkedin-site-verification=619696fd-a09f-438f-8062-51ef9340037c
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