Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cosuno.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 17:33:03 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 99.84.234.77
- 99.84.234.97
- 99.84.234.106
- 99.84.234.100
Mail Server IPs
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns-86.awsdns-10.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-86.awsdns-10.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1003.awsdns-61.net
ns-1050.awsdns-03.org
ns-1584.awsdns-06.co.uk
ns-86.awsdns-10.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com include:_spf.google.com include:emsd1.com include:email.chargebee.com include:_spf.salesforce.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- SPFv=spf1 include:spf.mailjet.com include:_spf.google.com include:emsd1.com include:email.chargebee.com include:_spf.salesforce.com ~all
- MS=ms71662364
- apple-domain-verification=cEowuzFuIpgkwpau
- atlassian-domain-verification=/W30I7S1lsxM0b0rOaFWvkSXyOOcgrxDgHk6LJGcU8kuz2tSFAweJCUTpm4xk1yr
- google-site-verification=-TfI5PfldAXZx_0rosLu7h_xheGzWFaPPA3VbLE3hj8
- google-site-verification=6N5fmsvbCN-Mqs_kfM7Qkq9ZhfMTYktfNaOqrSXGnSU
Full email verification for cosuno.de
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