Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heger-holzbau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 10:22:44 UTC · ↺ Refresh
MX Hostnames
- hegerholzbau-de01c.mail.protection.outlook.com
MX Priorities
- hegerholzbau-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 88.99.160.52 ↩ your3.active-elements.de
- 2a01:4f8:10a:38c8::3 ↩ your3.active-elements.de
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1110.ui-dns.de hostmaster.1und1.com 2017060131 28800 7200 604800 600
Primary NS (mname)
ns1110.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060131
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1043.ui-dns.biz
ns1110.ui-dns.de
ns1016.ui-dns.org
ns1113.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.strold.io include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms38476251
- SPFv=spf1 include:spf.protection.outlook.com include:spf.strold.io include:spf-de.emailsignatures365.com -all
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