Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bfu-ag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 10:57:00 UTC · ↺ Refresh
MX Hostnames
- bfuag-de0i.mail.protection.outlook.com
MX Priorities
- bfuag-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.115 ↩ 217-160-0-115.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2b2 ↩ 2001-08d8-100f-f000-0000-0000-0000-02b2.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1052.ui-dns.org hostmaster.1und1.com 2017060178 28800 7200 604800 600
Primary NS (mname)
ns1052.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060178
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1052.ui-dns.org
ns1053.ui-dns.com
ns1091.ui-dns.de
ns1109.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.dvp.online include:_spf-eu.ionos.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 mx a:mail.dvp.online include:_spf-eu.ionos.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.protection.outlook.com -all
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