Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
intro-ps.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:30:39 UTC · ↺ Refresh
MX Hostnames
- introps-de01c.mail.protection.outlook.com
MX Priorities
- introps-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.131 ↩ 217-160-0-131.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2b6 ↩ 2001-08d8-100f-f000-0000-0000-0000-02b6.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1084.ui-dns.org hostmaster.1und1.com 2017060140 28800 7200 604800 600
Primary NS (mname)
ns1084.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060140
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1084.ui-dns.org
ns1083.ui-dns.de
ns1043.ui-dns.com
ns1088.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:131.117.144.17/32 ip4:217.91.22.44/32 ip4:188.210.47.177/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; sp=none; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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- v=verifydomain MS=1613137
- apple-domain-verification=eOXeGbKmTijUiHPR
- SPFv=spf1 mx ip4:131.117.144.17/32 ip4:217.91.22.44/32 ip4:188.210.47.177/32 include:spf.protection.outlook.com -all
- uh4ieup7igvid003071b7j2pd
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