isk-smt.de

Valid Email Server
Domain Lookup › isk-smt.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isk-smt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 03:06:46 UTC · ↺ Refresh

MX Hostnames

  • mx23b.antispameurope.com
  • mx23c.antispameurope.com
  • mx23a.antispameurope.com
  • mx23d.antispameurope.com

MX Priorities

  • mx23c.antispameurope.com: 30
  • mx23a.antispameurope.com: 10
  • mx23b.antispameurope.com: 20
  • mx23d.antispameurope.com: 40

A / AAAA Records

  • 185.146.238.98 ↩ hosting2033.nbgo.de

Mail Server IPs

  • 94.100.134.10 ↩ hsmx06.antispameurope.com
  • 94.100.132.100 ↩ hsmx01.antispameurope.com
  • 83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
  • 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com

SOA Record

Raw SOA ns1068.ui-dns.biz hostmaster.1und1.de 2016112717 28800 7200 604800 300
Primary NS (mname)
ns1068.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2016112717
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1068.ui-dns.de
ns1068.ui-dns.org
ns1068.ui-dns.biz
ns1068.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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
  • v=verifydomain MS=7924124
  • SPFv=spf1 include:spf.hornetsecurity.com ~all
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