Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dul-print.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 22:00:16 UTC · ↺ Refresh
MX Hostnames
- mail.dul-print.de
MX Priorities
- mail.dul-print.de: 10
A / AAAA Records
- 217.67.100.58 ↩ dul-print.de
Mail Server IPs
- 217.67.100.54 ↩ mail.dul-print.de
SOA Record
Raw SOA
ncc1701.wmo.de postmaster.ncc1701.wmo.de 2024010801 28800 7200 604800 86400
Primary NS (mname)
ncc1701.wmo.de
Admin Email (rname)
postmaster@ncc1701.wmo.de
Serial
2024010801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ncc1701.wmo.de
theopolis.uni-x.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.67.100.54 include:spf.sendingservice.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=zSrAqEtMYJx7aBRPqOLiqXpzL3knxME8m5wRU-xsrTY
- SPFv=spf1 a mx ip4:217.67.100.54 include:spf.sendingservice.net -all
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