Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brera.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 17:02:35 UTC · ↺ Refresh
MX Hostnames
- brera-de.mail.protection.outlook.com
MX Priorities
- brera-de.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1047.ui-dns.de hostmaster.kundenserver.de 2016110560 28800 7200 604800 300
Primary NS (mname)
ns1047.ui-dns.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016110560
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1047.ui-dns.com
ns1047.ui-dns.biz
ns1047.ui-dns.de
ns1047.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:3.121.59.239/32 ip4:3.65.146.216/32 ip4:18.158.122.164/32 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mailjet.com include:gubse.com include:mailgun.org include:spf.umnicorn.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 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
4 records- facebook-domain-verification=eqz1xcig96a0ekaiwnmnxzhmh2kdsx
- SPFv=spf1 ip4:3.121.59.239/32 ip4:3.65.146.216/32 ip4:18.158.122.164/32 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mailjet.com include:gubse.com include:mailgun.org include:spf.umnicorn.com -all
- apple-domain-verification=ObDWiMhGhd3BS790_AJ6EHRRqPji1NJB8CQ4w5a3IaY
- google-site-verification=8SDEIGTWbthmwK-U8qJqmG6GpZFFygvZktgRDVg0rHA
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