Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
karlvoltz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 21:07:03 UTC · ↺ Refresh
MX Hostnames
- remote.karlvoltz.de
MX Priorities
- remote.karlvoltz.de: 10
A / AAAA Records
- 85.215.123.6 ↩ w26.n-dib.net
- 2a01:239::166:0:0:0:1 ↩ w26.n-dib.net
Mail Server IPs
- 217.91.25.134 ↩ remote.karlvoltz.de
SOA Record
Raw SOA
uz5x36jqv06q5yulzwcblfzcrk1b479xdttdm1nrgfglzs57bmctl8.free.ns.buddyns.com info.karlvoltz.de 2026030601 10800 3600 1209600 10800
Primary NS (mname)
uz5x36jqv06q5yulzwcblfzcrk1b479xdttdm1nrgfglzs57bmctl8.free.ns.buddyns.com
Admin Email (rname)
info@karlvoltz.de
Serial
2026030601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
uz5x36jqv06q5yulzwcblfzcrk1b479xdttdm1nrgfglzs57bmctl8.free.ns.buddyns.com
uz588h0rhwuu3cc03gm9uckw0w42cqr459wn1nxrbzhym2wd81zydb.free.ns.buddyns.com
uz56xw8h7fw656bpfv84pctjbl9rbzbqrw4rpzdhtvzyltpjdmx0zq.free.ns.buddyns.com
SPF Record
✓ Strict (-all)
v=spf1 ip6:2a01:239:0:166::1 +a +mx +a:85.215.123.6 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip6:2a01:239:0:166::1 +a +mx +a:85.215.123.6 -all
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