Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mach.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 06:40:09 UTC · ↺ Refresh
MX Hostnames
- mailgw-01-02.mach.de
- mforward.dtag.de
- mailgw-01-01.mach.de
MX Priorities
- mforward.dtag.de: 20
- mailgw-01-01.mach.de: 10
- mailgw-01-02.mach.de: 10
A / AAAA Records
- 217.243.215.230 (no PTR)
Mail Server IPs
- 194.25.242.123 ↩ mforward.dtag.de
- 217.243.215.246 ↩ mailgw-01-01.mach.de
- 217.243.215.247 ↩ mailgw-01-02.mach.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026021300 21600 3600 43200 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026021300
Refresh
21600s
Retry
3600s
Expire
43200s
Minimum TTL
86400s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:217.243.215.246 ip4:217.243.215.247 include:spf.crsend.com include:spf.mailjet.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
8 records- teamviewer-sso-verification=2986215a13eb4097a6a5a5810d8ebe15
- SPFv=spf1 mx ip4:217.243.215.246 ip4:217.243.215.247 include:spf.crsend.com include:spf.mailjet.com include:spf.protection.outlook.com ~all
- Jgxcb8dDbxlTnzd85IVHknx8IM+eciLCS2dktfuvfgZcFOldrNFfIjoi2zjVfyk0e/5ToB2UBgR27CJiF36JFw==
- YgEFdRBOJJrA+2Ehz7m1as/KpoEciHuenWboPOEX0AA=
- d365mktkey=4051t7zoBq4O9IMx96Sm50OVe46aalfx3goEhlz882sx
- dFFAgGwzE2B3vJw+K7yokZaJgPYtLua3TqlEvfYhlAI=
- gAvSVpLkW7F44IsBswektcd3FyWRPhIaxussoiTlkho=
- globalsign-domain-verification=pwSEKt4Rm_fGDxCziU3kBhrWOcApSEKkZyksOgg6Gt
Full email verification for mach.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits