Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mdkjapan.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 06:10:09 UTC · ↺ Refresh
MX Hostnames
- mail.mdkjapan.com
MX Priorities
- mail.mdkjapan.com: 10
A / AAAA Records
- 64.31.40.162 ↩ s25.hosterpk.com
- 192.64.119.210 (no PTR)
Mail Server IPs
- 64.31.40.162 ↩ s25.hosterpk.com
SOA Record
Raw SOA
pdns1.registrar-servers.com hostmaster.registrar-servers.com 1771257962 43200 3600 604800 3601
Primary NS (mname)
pdns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1771257962
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
pdns1.registrar-servers.com
pdns2.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:ems.mdkjapan.com a:emss.mdkjapan.com a:webmail.mdkjapan.com include:relay.hosterpk.com ip4:64.31.22.34 include:relay.mailchannels.net ip4:43.225.98.221 ip4:43.225.98.218 ip4:43.225.98.222 ip4:103.104.194.122 ip4:103.104.194.123 ip4:203.101.175.51 ip4:203.101.175.52 ip4:103.205.176.226 ip4:103.205.176.227 ip4:103.205.176.228 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; rf=afrf; sp=reject; fo=1; pct=100; ri=604800; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
default._domainkey
mail._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
2 records- SPFv=spf1 mx a:ems.mdkjapan.com a:emss.mdkjapan.com a:webmail.mdkjapan.com include:relay.hosterpk.com ip4:64.31.22.34 include:relay.mailchannels.net ip4:43.225.98.221 ip4:43.225.98.218 ip4:43.225.98.222 ip4:103.104.194.122 ip4:103.104.194.123 ip4:203.101.175.51 ip4:203.101.175.52 ip4:103.205.176.226 ip4:103.205.176.227 ip4:103.205.176.228 -all
- google-site-verification=GqvLE3vSR8jHlMARq97Ol1huW4-BmKCm9tOhSSKPa2g
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