Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
serways-hotels.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 06:21:37 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- spmx2.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 300
- spmx2.googlemail.com: 400
- aspmx.l.google.com: 100
A / AAAA Records
- 138.199.135.224 ↩ static.224.135.199.138.clients.your-server.de
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
SOA Record
Raw SOA
dns1.nsdns.info tech.key-systems.net 2026034133 10800 3600 604800 28800
Primary NS (mname)
dns1.nsdns.info
Admin Email (rname)
tech@key-systems.net
Serial
2026034133
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
dns2.nsdns.info
dns1.nsdns.info
dns3.nsdns.info
SPF Record
✓ Strict (-all)
v=spf1 ip4:138.199.135.224 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict 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- google-site-verification=BeaubG72Oau3dVrDn_9ZZ_p4ylLKmfwljUYd2582y1Q
- SPFv=spf1 ip4:138.199.135.224 -all
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