Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sakura.ad.jp
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 18:14:00 UTC · ↺ Refresh
MX Hostnames
- mail.sakura.ad.jp
MX Priorities
- mail.sakura.ad.jp: 10
A / AAAA Records
- 163.43.179.80 ↩ vip1b.www.sakura.ad.jp
Mail Server IPs
- 210.224.172.11 ↩ mail.sakura.ad.jp
SOA Record
Raw SOA
dns.sakura.ad.jp noc.sakura.ad.jp 2026030500 3600 900 2419200 3600
Primary NS (mname)
dns.sakura.ad.jp
Admin Email (rname)
noc@sakura.ad.jp
Serial
2026030500
Refresh
3600s
Retry
900s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.dns.ne.jp
ns2.dns.ne.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.sakura.ad.jp include:spf2.sakura.ad.jp include:spf3.sakura.ad.jp ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected], mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- apple-domain-verification=82lrCzdi9Hjc5A7F
- docusign=2e16480e-41d1-40f6-803b-aa0036b67a2d
- 1password-site-verification=QQDEVHXEM5BBTOMUIBFHJYPRLM
- openai-domain-verification=dv-w76sYcArZjYJZm7j2vfFoUJ7
- bill-one-domain-verification=8c978540-4568-408e-b2b5-bf79317bc88d
- google-site-verification=3TUl8gM_hO1cWRGCxBF-4rv2OhUnwbn8wttu_HGiDMM
- google-site-verification=BWpvrdZH5kIzlOIsnnqAPwfH1GCWR2ow0tnnolQ3_ak
- google-site-verification=tlPsW7rVUCcPDYxy89wb3qrpNPUVgPkG2PClvXV9yCM
- notion-domain-verification=39xZonVd3k2y8sMEssKcGcOx9niN3vej4smTWFqjbbz
- bundle-domain-verification=4dc5a65fabe1097daa33c5683209ccb2600e4576f1ff0e5d
- SPFv=spf1 include:spf1.sakura.ad.jp include:spf2.sakura.ad.jp include:spf3.sakura.ad.jp ~all
- asv=7c9cb9934bee1951b9fcfa038d5aa065
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