Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
doerr-irrgang.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 13:55:48 UTC · ↺ Refresh
MX Hostnames
- doerrirrgang-de01c.mail.protection.outlook.com
MX Priorities
- doerrirrgang-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.154 ↩ 217-160-0-154.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::27f ↩ 2001-08d8-100f-f000-0000-0000-0000-027f.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1036.ui-dns.de hostmaster.1und1.de 2017062101 28800 7200 604800 300
Primary NS (mname)
ns1036.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017062101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1036.ui-dns.biz
ns1036.ui-dns.com
ns1036.ui-dns.org
ns1036.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 include:spf.protection.outlook.com ~all
- MS=ms68852271
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