Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schroeder-gas.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 01:15:12 UTC · ↺ Refresh
MX Hostnames
- mail.schroeder-gas.de
MX Priorities
- mail.schroeder-gas.de: 10
A / AAAA Records
- 192.166.167.145 ↩ kd-web3.duf.de
- 2a00:e68:14:908::145 ↩ kd-web3.duf.de
Mail Server IPs
- 185.35.235.27 ↩ mail.schroeder-gas.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024121400 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024121400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.org
ns.udag.net
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:192.166.167.145 ip4:185.35.235.27 ip4:217.160.224.121 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ Public key: 392 chars (valid)
✓ 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- tmes=bf1d16ee6f99f522422c39c04de7dc1b
- SPFv=spf1 a mx ip4:192.166.167.145 ip4:185.35.235.27 ip4:217.160.224.121 -all
- LVV02Q8V8TFTU3LZ1KV1PD9T9PJMHTT9FBXY9I9U
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