Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sw-immo.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 02:26:09 UTC · ↺ Refresh
MX Hostnames
- swimmo-de0e.mail.protection.outlook.com
MX Priorities
- swimmo-de0e.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.106 ↩ 217-160-0-106.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1111.ui-dns.de hostmaster.1und1.com 2017060175 28800 7200 604800 600
Primary NS (mname)
ns1111.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060175
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1084.ui-dns.org
ns1067.ui-dns.com
ns1088.ui-dns.biz
ns1111.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms40998898
- google-site-verification=f4_rRAhU4NuHdfOEsS0JtFF9LiQShk8zFbSYxz7WBi0
- SPFv=spf1 include:spf.protection.outlook.com include:spf.cloud.ci-solution.com -all
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