Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
fenster-mueller.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-17 23:35:05 UTC · ↺ Refresh
MX Hostnames
- fenstermueller-de01i.mail.protection.outlook.com
MX Priorities
- fenstermueller-de01i.mail.protection.outlook.com: 10
A / AAAA Records
- 185.175.196.104 (no PTR)
- 2a00:1c98:60:1140::7919:ec5 (no PTR)
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:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa6.schlundtech.de mr.fenster-mueller.de 2025111314 43200 7200 1209600 600
Primary NS (mname)
nsa6.schlundtech.de
Admin Email (rname)
mr@fenster-mueller.de
Serial
2025111314
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsd6.schlundtech.de
nsc6.schlundtech.de
nsb6.schlundtech.de
nsa6.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx ip4:150.5.11.18 ip4:150.5.11.20 include:spf.protection.outlook.com include:spf.de.exclaimer.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- goodnotes-verification=4e8b8f1f-b8ec-4fc7-94e1-4937ca7cde4a
- MS=ms13972718
- SPFv=spf1 +mx ip4:150.5.11.18 ip4:150.5.11.20 include:spf.protection.outlook.com include:spf.de.exclaimer.net ~all
- apple-domain-verification=8MUx70RuuI5zhENl
- google-site-verification=372fI6bwALcE43SrjXEDjQw0kanmJa3_NFym-XGuSfg
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