Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coc-ag.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:40:51 UTC · ↺ Refresh
MX Hostnames
- isis.coc-ag.net
- osiris.coc-ag.net
MX Priorities
- isis.coc-ag.net: 10
- osiris.coc-ag.net: 10
A / AAAA Records
- 62.157.191.67 ↩ redirect.coc-ag.de
Mail Server IPs
- 217.5.128.25 ↩ isis.coc-ag.net
- 2003:6c:2016:100::25 ↩ isis.coc-ag.net
- 217.5.128.26 ↩ osiris.coc-ag.net
- 2003:6c:2016:100::26 ↩ osiris.coc-ag.net
SOA Record
Raw SOA
ns1.coc-ag.de hostmaster.coc-ag.net 2011072674 10800 1800 604800 43200
Primary NS (mname)
ns1.coc-ag.de
Admin Email (rname)
hostmaster@coc-ag.net
Serial
2011072674
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
ns1.coc-ag.de
ns2.coc-ag.de
pns.dtag.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:217.5.128.0/24 ip4:62.157.191.64/27 ip6:2003:6c:2016::/48 a:mail.helpmatics.net a:isis.coc-ag.net a:osiris.coc-ag.net a:mail.coc-ag.net a:outboundmail-lb.coc-ag.net include:spf.protection.outlook.com include:_spf.b-ite.com include:servers.mcsv.net include:spf.brevo.com -all
📊 DNS lookups: 10/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=s; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected], mailto:[email protected]; fo=1; ri=3600;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- brevo-code:40fe41596a882cb0219aca28f8451187
- lNpqMiqwfJ0y8kpYir9dvXdbbD7walasMYk2js7NIGrLNTarC9r4L3luPc4r23mnXdhj4oIRScMFDdj0yZvmXA==
- MS=ms45926083
- SPFv=spf1 mx ip4:217.5.128.0/24 ip4:62.157.191.64/27 ip6:2003:6c:2016::/48 a:mail.helpmatics.net a:isis.coc-ag.net a:osiris.coc-ag.net a:mail.coc-ag.net a:outboundmail-lb.coc-ag.net include:spf.protection.outlook.com include:_spf.b-ite.com include:servers.mcsv.net include:spf.brevo.com -all
- apple-domain-verification=VjlIksr1Ml61qtjF
- _globalsign-domain-verification=m4GIUCZuYgA1DiH4DR93jNF3XgLCNqz6p2ENxbXzE5
Full email verification for coc-ag.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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