Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preyer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 19:52:31 UTC · ↺ Refresh
MX Hostnames
- preyer-de.mail.protection.outlook.com
MX Priorities
- preyer-de.mail.protection.outlook.com: 10
A / AAAA Records
- 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
- 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1040.ui-dns.de hostmaster.1und1.de 2017061096 28800 7200 604800 300
Primary NS (mname)
ns1040.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017061096
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1040.ui-dns.org
ns1040.ui-dns.com
ns1040.ui-dns.biz
ns1040.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:5.44.96.34 include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- v=verifydomain MS=7426893
- proxy-ssl.webflow.com
- 00Db0000000Ip7t=1TBMz00000000Xt
- SPFv=spf1 include:spf.protection.outlook.com ip4:5.44.96.34 include:spf-de.emailsignatures365.com ~all
- google-site-verification=wFVky1od1vYra3n2DVG_7Pj2WYBQPmQwnt9emD1QSfM
- openai-domain-verification=dv-8AYEqFlJHSDRlAayiVkdaLzD
- apple-domain-verification=xYI2A117Tc097GGY
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