Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schustermann-borenstein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 04:15:04 UTC · ↺ Refresh
MX Hostnames
- schustermannborenstein-de03b.mail.protection.outlook.com
MX Priorities
- schustermannborenstein-de03b.mail.protection.outlook.com: 1
A / AAAA Records
- 104.26.8.229 (no PTR)
- 104.26.9.229 (no PTR)
- 172.67.68.74
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
gabe.ns.cloudflare.com dns.cloudflare.com 2398898199 10000 2400 604800 1800
Primary NS (mname)
gabe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398898199
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tegan.ns.cloudflare.com
gabe.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.bestsecrettec.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.de.umantis.com include:spf.noris.net include:cust-spf.exacttarget.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; rf=afrf; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
4 records- SPFv=spf1 include:_spf.bestsecrettec.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.de.umantis.com include:spf.noris.net include:cust-spf.exacttarget.com ~all
- WvWCM2YI4EgPjf8dtq1b1vpnzyOoMP0yVfksdHwgplJ5548UBS0cgmORHI76znPOB/qi1byNpQOyASAaESjShQ==
- facebook-domain-verification=1jqqb6rujurvlgdxbzyb74lnxr86ki
- ms=ms95088793
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