Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alpha-institute.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 14:53:51 UTC · ↺ Refresh
MX Hostnames
- alphainstitute-de01c.mail.protection.outlook.com
MX Priorities
- alphainstitute-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.111 ↩ 217-160-0-111.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::26e ↩ 2001-08d8-100f-f000-0000-0000-0000-026e.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1105.ui-dns.com hostmaster.1und1.de 2017071064 28800 7200 604800 300
Primary NS (mname)
ns1105.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017071064
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1105.ui-dns.biz
ns1105.ui-dns.de
ns1105.ui-dns.org
ns1105.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
4 records- MS=ms58424960
- brevo-code:16802be9b915a2e4431af980c69811d4
- v=verifydomain MS=3172426
- SPFv=spf1 include:spf.protection.outlook.com ~all
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