Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sekura-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:43:43 UTC · ↺ Refresh
MX Hostnames
- sekuragmbh-de01e.mail.protection.outlook.com
MX Priorities
- sekuragmbh-de01e.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.88 ↩ 217-160-0-88.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2b3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02b3.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1066.ui-dns.com hostmaster.1and1.com 2017050380 28800 7200 604800 300
Primary NS (mname)
ns1066.ui-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2017050380
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1067.ui-dns.de
ns1073.ui-dns.biz
ns1066.ui-dns.com
ns1107.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com -a
📊 DNS lookups: 2/10
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=quarantine;adkim=s;aspf=s;rua=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
3 records- v=verifydomain MS=9150832
- MS=ms58846425
- SPFv=spf1 include:spf.protection.outlook.com -a
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