Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
tdi-plc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:57:57 UTC · ↺ Refresh
MX Hostnames
- mx01.1and1.co.uk
- mx00.1and1.co.uk
MX Priorities
- mx01.1and1.co.uk: 20
- mx00.1and1.co.uk: 10
A / AAAA Records
- 104.21.17.215 (no PTR)
- 172.67.178.85 (no PTR)
- 2606:4700:3034::ac43:b255 (no PTR)
- 2606:4700:3035::6815:11d7 (no PTR)
Mail Server IPs
- 217.72.192.67 ↩ mx01.kundenserver.de
- 212.227.15.41 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
chan.ns.cloudflare.com dns.cloudflare.com 2403372351 10000 2400 604800 1800
Primary NS (mname)
chan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403372351
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chan.ns.cloudflare.com
damon.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._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- google-site-verification=NlkAK60i862t1FViN5TCURs4laugIZGlPMEs0NW-Y2w
- SPFv=spf1 include:_spf-eu.ionos.com ~all
- apple-domain-verification=s3WK5NuI0PNuiDkP9B-akgdzL-6bIzJTO3LfvHgfpPI
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