Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stb-collmer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:47:08 UTC · ↺ Refresh
MX Hostnames
- mx19d.antispameurope.com
- mx19b.antispameurope.com
- mx19c.antispameurope.com
- mx19a.antispameurope.com
MX Priorities
- mx19b.antispameurope.com: 20
- mx19a.antispameurope.com: 10
- mx19d.antispameurope.com: 40
- mx19c.antispameurope.com: 30
A / AAAA Records
- 82.96.70.163 ↩ ao.beta.stuon.com
Mail Server IPs
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
SOA Record
Raw SOA
ns1.anycast-rcode0.at hostmaster.stuonline.net 2019090701 43200 7200 2419200 86400
Primary NS (mname)
ns1.anycast-rcode0.at
Admin Email (rname)
hostmaster@stuonline.net
Serial
2019090701
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns1.anycast-rcode0.at
ns2.anycast-rcode0.at
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:antispameurope.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- SPFv=spf1 include:spf.protection.outlook.com include:antispameurope.com ~all
- MS=ms62263622
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