Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mainsite.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 15:22:03 UTC · ↺ Refresh
MX Hostnames
- smtp2.mainsite.de
- smtp1.mainsite.de
MX Priorities
- smtp2.mainsite.de: 10
- smtp1.mainsite.de: 0
A / AAAA Records
- 217.160.0.76 ↩ 217-160-0-76.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2d3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02d3.elastic-ssl.ui-r.com
Mail Server IPs
- 80.156.9.76 ↩ smtp2.mainsite.de
- 80.156.9.75 ↩ smtp1.mainsite.de
SOA Record
Raw SOA
ns1109.ui-dns.de hostmaster.1und1.de 2016110523 28800 7200 604800 300
Primary NS (mname)
ns1109.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110523
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1109.ui-dns.com
ns1109.ui-dns.org
ns1109.ui-dns.de
ns1109.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:80.156.9.76 ip4:80.156.9.75 ip4:23.90.106.162 ip4:195.245.231.4 ip4:23.90.107.132 ip4:217.160.14.170 include:protection.outlook.com include:spf.protection.outlook.com include:mout.kundenserver.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- soZuJcCWNbf/io8zO27Sg/NDcSnqUFeELmtvR7SRbuvr2CC++4AobBYtrGz3Gk4OLKcBhumr2StYI+mu8UpiDQ==
- SPFv=spf1 ip4:80.156.9.76 ip4:80.156.9.75 ip4:23.90.106.162 ip4:195.245.231.4 ip4:23.90.107.132 ip4:217.160.14.170 include:protection.outlook.com include:spf.protection.outlook.com include:mout.kundenserver.de ~all
- apple-domain-verification=auEFEASxRe1EWBRc
Full email verification for mainsite.de
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