Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spreyer-limburg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 20:22:09 UTC · ↺ Refresh
MX Hostnames
- spreyerlimburg-de01i.mail.protection.outlook.com
- mail.spreyer-limburg.de
MX Priorities
- mail.spreyer-limburg.de: 10
- spreyerlimburg-de01i.mail.protection.outlook.com: 20
A / AAAA Records
- 82.165.119.92 ↩ de-srv-00.digitalbuero.cloud
Mail Server IPs
- 87.128.41.25 ↩ p57802919.dip0.t-ipconnect.de
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1043.ui-dns.com hostmaster.1und1.de 2016090819 28800 7200 604800 300
Primary NS (mname)
ns1043.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016090819
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1043.ui-dns.com
ns1043.ui-dns.org
ns1043.ui-dns.biz
ns1043.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;pct=10; fo=0:1:d:s; aspf=r; adkim=r; rf=afrf; ri=3600;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 10% of failing messages only
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
4 records- MS=ms90493905
- apple-domain-verification=ePsqPONlzbeSg0AT
- google-site-verification=0_l6V1VOZXt635oEjC8uAo_7XNVWuq8uQ-dRlsBZDgM
- SPFv=spf1 include:spf.protection.outlook.com +mx -all
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