Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
faserinstitut.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 16:18:09 UTC · ↺ Refresh
MX Hostnames
- faserinstitut-de.mail.protection.outlook.com
MX Priorities
- faserinstitut-de.mail.protection.outlook.com: 0
A / AAAA Records
- 134.102.40.177 ↩ fibre-router.faserinstitut.uni-bremen.de
- 2002:8666:28b1:: (no PTR)
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2026030400 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026030400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.inwx.eu
ns.inwx.de
ns2.inwx.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:134.102.40.176/29 ip4:80.151.148.100 include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
3 records- google-site-verification=LwQzwd3uPlD-9V1naoXmPDUruU0stDh6joGvwBhUkBA
- SPFv=spf1 a mx ip4:134.102.40.176/29 ip4:80.151.148.100 include:spf.protection.outlook.com include:amazonses.com -all
- google-site-verification=lbvpfRRRBmU12vbKR0DMCa29QsnkJ8QOTGRqdkTNo9c
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