Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mddus.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 09:51:00 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 5
- eu-smtp-inbound-1.mimecast.com: 5
A / AAAA Records
- 104.26.6.182 (no PTR)
- 172.67.73.238 (no PTR)
- 104.26.7.182 (no PTR)
- 2606:4700:20::681a:6b6 (no PTR)
- 2606:4700:20::ac43:49ee
- 2606:4700:20::681a:7b6
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
kristin.ns.cloudflare.com dns.cloudflare.com 2399409495 10000 2400 604800 1800
Primary NS (mname)
kristin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399409495
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pete.ns.cloudflare.com
kristin.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.mddus.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
12 records- google-site-verification=yMo-EIZSwC_4mHthAUuwX3sM4Dfe6kxU6efUe6rJcr8
- l1bpud7o6vu4qg6f96698pkbsf
- SPFv=spf1 include:_u.mddus.com._spf.smart.ondmarc.com ~all
- Foxit-domain-verification=c48715f32dffab0c0f3e766292329163
- MS=B474F7264C613A5065B5B326727D55EBFB33C5EF
- ZA=hkRs3U4sus5JLLMfJtxubQ==
- access-domain-verification=271e1e95e4cf3632eb8d5abc68aa9c91402b4266a0fcc06af7aff1789d52bea1
- apple-domain-verification=Dxph08qkesb2YFOe
- cv97f5pnfc9ue85djg39h67t56
- fsjn7j62hiqqv1ksgusba13fme
- google-site-verification=7lV_3qf7LV6QoT_vCpHaPW6mSCJeHLCZW2aaXIajDos
- google-site-verification=xCXYRO37lLT45HTd51Q9NsuOS9-ksnqw5KrTDWdzV8c
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