Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
retsch.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 16:48:35 UTC · ↺ Refresh
MX Hostnames
- retsch-de.mail.protection.outlook.com
MX Priorities
- retsch-de.mail.protection.outlook.com: 10
A / AAAA Records
- 195.201.248.4 ↩ final.vs-web.net
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1a.dodns.net domains.verder-scientific.com 30 86400 10800 3600000 172800
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
domains@verder-scientific.com
Serial
30
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns1a.dodns.net
ns2a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected];pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net -all
- MS=ms35801102
- m0ncMucAP9WwWwvPQP8c8gomTbAeNkyFw6eF7Su6VA1AhKKXQlH2gUnr2ucjf0t92aePl2uJKmvcCzxP/19C/w==
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