Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gasmasterstampa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 22:10:14 UTC · ↺ Refresh
MX Hostnames
- mx00.1and1.com
- mx01.1and1.com
MX Priorities
- mx00.1and1.com: 10
- mx01.1and1.com: 10
A / AAAA Records
- 74.208.236.238 ↩ 74-208-236-238.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::201 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0201.elastic-ssl.ui-r.com
Mail Server IPs
- 74.208.5.3 ↩ mx00.perfora.net
- 74.208.5.21 ↩ mx01.perfora.net
SOA Record
Raw SOA
ns-us.1and1-dns.com hostmaster.1and1.com 2017051901 28800 7200 604800 300
Primary NS (mname)
ns-us.1and1-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2017051901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns-us.1and1-dns.org
ns-us.1and1-dns.com
ns-us.1and1-dns.us
ns-us.1and1-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de -all
📊 DNS lookups: 2/10
✓ 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
1 record- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de -all
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