Domain Overview
DNS: ✓ 7d ago
Checker: ✓ 7d ago
yamanashi.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-25 15:44:28 UTC · ↺ Refresh
MX Hostnames
- yamanashi.com
MX Priorities
- yamanashi.com: 0
A / AAAA Records
- 162.43.94.142 ↩ sv16001.xserver.jp
Mail Server IPs
- 162.43.94.142 ↩ sv16001.xserver.jp
SOA Record
Raw SOA
ns1.xserver.jp root.sv0.xserver.jp 0 10800 3600 604800 3600
Primary NS (mname)
ns1.xserver.jp
Admin Email (rname)
root@sv0.xserver.jp
Serial
0
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.xserver.jp
ns5.xserver.jp
ns1.xserver.jp
ns2.xserver.jp
ns4.xserver.jp
SPF Record
✓ Strict (-all)
v=spf1 +mx include:spf.sender.xserver.jp -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 +mx include:spf.sender.xserver.jp -all
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