Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
semps-2fa.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:52:26 UTC · ↺ Refresh
MX Hostnames
- mail.3jk.eu
MX Priorities
- mail.3jk.eu: 10
A / AAAA Records
- 45.132.244.241 ↩ Mahler.krbs.me
Mail Server IPs
- 5.75.254.221 ↩ mail.3jk.eu
- 2a01:4f8:c012:7481::1 ↩ mail.3jk.eu
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2025010603 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2025010603
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.inwx.de
ns2.inwx.de
ns3.inwx.eu
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.132.244.241 ip6:2a03:4000:48:65:e407:dbff:fe08:17d ip4:5.75.254.221 ip6:2a01:4f8:c012:7481::1 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 250 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 ip4:45.132.244.241 ip6:2a03:4000:48:65:e407:dbff:fe08:17d ip4:5.75.254.221 ip6:2a01:4f8:c012:7481::1 -all
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