Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hrt100.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 12:08:18 UTC · ↺ Refresh
MX Hostnames
- mx.heckl.network
MX Priorities
- mx.heckl.network: 10
A / AAAA Records
- 37.120.171.65 ↩ heckl.xyz
- 2a03:4000:6:54b6::10 ↩ heckl.xyz
Mail Server IPs
- 46.38.255.225 ↩ mx1.heckl.network
- 37.221.192.110 ↩ mx2.heckl.network
- 2a03:4000:8:5c5::10 ↩ mx2.heckl.network
- 2a03:4000:19:9::10 ↩ mx1.heckl.network
SOA Record
Raw SOA
ns1-tec.de webmaster.hrt100.de 2026021801 86400 3600 2592000 900
Primary NS (mname)
ns1-tec.de
Admin Email (rname)
webmaster@hrt100.de
Serial
2026021801
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ns2-tec.de
ns1-tec.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mx.heckl.network mx ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];pct=100;ruf=mailto:[email protected];fo=0:d:s;aspf=r;adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 392 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 a:mx.heckl.network mx ?all
Full email verification for hrt100.de
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