skwschwarz.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
skwschwarz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 10:42:08 UTC · ↺ Refresh

MX Hostnames

  • skwschwarz-de.mail.protection.outlook.com

MX Priorities

  • skwschwarz-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 116.203.255.132 ↩ static.132.255.203.116.clients.lcube-server.de
  • 2a01:4f8:c010:b785::1 (no PTR)

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com

SOA Record

Raw SOA ns1077.ui-dns.de hostmaster.1und1.com 2017060266 28800 7200 604800 600
Primary NS (mname)
ns1077.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060266
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1077.ui-dns.de
ns1076.ui-dns.com
ns1105.ui-dns.biz
ns1077.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:88.79.151.75 ip4:217.7.3.18 ip4:192.162.84.31 include:spf.skwschwarz.de include:emaileuc.freshservice.com include:spf.crsend.com include:smtproutes.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._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

7 records
  • swisssign-check=qpDncwrJYE__p99FKdn_c6cgAMo
  • 159udd19iv20se9jloeh0qnodb
  • google-site-verification=TjVPu2jF4rdkQbbwtFSUk9jD668ZcqWoXj83Gr1KVNI
  • apple-domain-verification=iCmBcrwKY8WT6zTI
  • SPFv=spf1 ip4:88.79.151.75 ip4:217.7.3.18 ip4:192.162.84.31 include:spf.skwschwarz.de include:emaileuc.freshservice.com include:spf.crsend.com include:smtproutes.com include:spf.protection.outlook.com -all
  • swisssign-check=B-cDRXf5PCD37m4eVoKfh38l52c
  • MS=D12E313EED22629E08160CF054D9E8C420DC740B
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