Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
murtfeldt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 06:30:27 UTC · ↺ Refresh
MX Hostnames
- murtfeldt-de.mail.protection.outlook.com
MX Priorities
- murtfeldt-de.mail.protection.outlook.com: 0
A / AAAA Records
- 188.40.52.32 ↩ web02.murtfeldt.de
- 2a01:4f8:2191:3101::80 ↩ web02.murtfeldt.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026032403 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026032403
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:94.134.191.100 ip4:83.236.144.211 ip4:5.9.84.131 ip4:188.40.52.32 ip4:85.215.84.52 include:spf.protection.outlook.com include:spf.connectoor.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 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
3 records- SPFv=spf1 ip4:94.134.191.100 ip4:83.236.144.211 ip4:5.9.84.131 ip4:188.40.52.32 ip4:85.215.84.52 include:spf.protection.outlook.com include:spf.connectoor.com -all
- asv=46425b75002dda94a659adc51c1327b1
- d365mktkey=GVxu1ZY6pg7AxbwxnBp67HOKxJUlU8DlzEHCnUg2pzUx
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