Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
diehl.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 10:33:05 UTC · ↺ Refresh
MX Hostnames
- enterprise01.smtp.diehl.com
- enterprise02.smtp.diehl.com
MX Priorities
- enterprise01.smtp.diehl.com: 10
- enterprise02.smtp.diehl.com: 10
A / AAAA Records
- 193.201.238.43 (no PTR)
Mail Server IPs
- 193.201.238.219 ↩ enterprise01.smtp.diehl.com
- 193.201.238.220 ↩ enterprise02.smtp.diehl.com
SOA Record
Raw SOA
ns.diehl.com hostmaster.diehl.com 2026030501 14400 1800 1209600 3600
Primary NS (mname)
ns.diehl.com
Admin Email (rname)
hostmaster@diehl.com
Serial
2026030501
Refresh
14400s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns.diehl.com
ns02.diehl.com
ns12.managed-ip.info
ns01.diehl.com
ns10.managed-ip.com
ns11.managed-ip.info
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; rf=afrf; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- docusign=b0b685c8-f86c-4eee-bc22-7e3f727038e4
- adobe-sign-verification=9785d981ac74a329122ad601f1de0c4d
- ca3-a472567651b5440b8b81fcb6674f82c0
- asv=2b6b041553cce57ddedea9468ec65b63
- swisssign-check=bxcHRGTeAEmVGM9L1grJzxgGqLU
- ca3-f7609326720a495b86bc90fe5cceaa88
- atlassian-domain-verification=HCsdeZliE/B674da0T08au3wx03ynhEcOQztyJWiSsvVTQgnSb7G/OF/kLvyx/Ev
- SPFv=spf1 mx -all
- MS=ms74426895
Full email verification for diehl.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits