Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bbs2celle.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 08:32:52 UTC · ↺ Refresh
MX Hostnames
- bbs2celle-de.mail.protection.outlook.com
MX Priorities
- bbs2celle-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.180 ↩ 217-160-0-180.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1066.ui-dns.org hostmaster.1und1.com 2017060175 28800 7200 604800 600
Primary NS (mname)
ns1066.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060175
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1040.ui-dns.de
ns1098.ui-dns.com
ns1053.ui-dns.biz
ns1066.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:87.138.246.240 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- MS=ms37707403
- SPFv=spf1 ip4:87.138.246.240 include:spf.protection.outlook.com -all
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