Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 06:48:42 UTC · ↺ Refresh
MX Hostnames
- mail.frt.de
- mxe84b.netcup.net
MX Priorities
- mail.frt.de: 10
- mxe84b.netcup.net: 50
A / AAAA Records
- 202.61.232.73 ↩ ae849.netcup.net
- 2a03:4000:30:fa48::16:5260 (no PTR)
Mail Server IPs
- 202.61.232.75 ↩ mxe84b.netcup.net
- 2a03:4000::4f6:b48e:19ff:fe6b:34e4 ↩ mxe84b.netcup.net
SOA Record
Raw SOA
quentin.ns.cloudflare.com dns.cloudflare.com 2400288012 10000 2400 604800 1800
Primary NS (mname)
quentin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400288012
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
quentin.ns.cloudflare.com
raina.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- autoconfig.netcup.net
- SPFv=spf1 mx a include:_spf.webhosting.systems ~all
- MS=ms18890312
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