Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
commercial7.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:49:09 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 74.208.236.158 ↩ 74-208-236-158.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::200
Mail Server IPs
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 64.233.180.26 ↩ pe-in-f26.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
SOA Record
Raw SOA
ns1097.ui-dns.biz hostmaster.1and1.com 2018090212 28800 7200 604800 600
Primary NS (mname)
ns1097.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2018090212
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1097.ui-dns.biz
ns1027.ui-dns.com
ns1062.ui-dns.de
ns1071.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=90; sp=none
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 90% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=NylcF7s4Rk58QlNmLLXtWcarCu-Cmo0PlaltmvfunN0
- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ~all
Full email verification for commercial7.com
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