Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simtec-system.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:49:45 UTC · ↺ Refresh
MX Hostnames
- mail01.my-hoster.com
MX Priorities
- mail01.my-hoster.com: 10
A / AAAA Records
- 46.224.198.211 ↩ www01.cloud.my-hoster.com
Mail Server IPs
- 162.55.89.40 ↩ mail01.my-hoster.com
- 2a01:4f8:271:188f::1 ↩ rz01.my-hoster.com
SOA Record
Raw SOA
ns4.my-hoster.com info.simtec-system.de 2026021701 3600 3600 604800 3600
Primary NS (mname)
ns4.my-hoster.com
Admin Email (rname)
info@simtec-system.de
Serial
2026021701
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.my-hoster.com
ns4.my-hoster.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- facebook-domain-verification=o5ooqiukifwn8zfdgn8lz9m71yvr9l
- google-site-verification=DLyGsZo4xPcvBpuiq7TuPB7xib8pAP3g_NeW6M2bb4s
- google-site-verification=NILBW0kzG90MkrM0eH3NL5PRIvaH3fsTip7rlb3Vinw
- SPFv=spf1 a mx ~all
- MS=560A9B5CD0B803D1EC7F6DEC0071E57F9BE5CC49
Full email verification for simtec-system.de
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