Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isotec-schiefelbein.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 05:51:16 UTC · ↺ Refresh
MX Hostnames
- isotecschiefelbein-de01e.mail.protection.outlook.com
MX Priorities
- isotecschiefelbein-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 52.29.127.0 ↩ ec2-52-29-127-0.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1035.ui-dns.com hostmaster.1and1.com 2017071310 28800 7200 604800 300
Primary NS (mname)
ns1035.ui-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2017071310
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1102.ui-dns.biz
ns1124.ui-dns.org
ns1026.ui-dns.de
ns1035.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:_ns1026.ui-dns.de include:_ns1035.ui-dns.com include:_ns1102.ui-dns.biz include:_ns1124.ui-dns.org ~all
📊 DNS lookups: 6/10
~ 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 mx include:spf.protection.outlook.com include:_ns1026.ui-dns.de include:_ns1035.ui-dns.com include:_ns1102.ui-dns.biz include:_ns1124.ui-dns.org ~all
- v=verifydomain MS=4595557
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