Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fsrmed.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:45:34 UTC · ↺ Refresh
MX Hostnames
- mxext1.mailbox.org
- mxext2.mailbox.org
- mxext3.mailbox.org
MX Priorities
- mxext3.mailbox.org: 20
- mxext2.mailbox.org: 10
- mxext1.mailbox.org: 10
A / AAAA Records
- 136.243.150.185 ↩ windmark.thiel2s.de
Mail Server IPs
- 80.241.60.216 ↩ mx3.mailbox.org
- 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2025112701 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025112701
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
root-dns.netcup.net
third-dns.netcup.net
second-dns.netcup.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;ruf=mailto:[email protected];adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 include:mailbox.org ~all
- google-site-verification=E5zPvClrkFhHX4RaFchRwN0ChHhCbR9s0mAJUmZDWWY
Full email verification for fsrmed.de
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