Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jfcjapan.co.jp
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 05:10:11 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx2.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx3.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx3.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.l.google.com: 10
A / AAAA Records
- 96.16.199.109 ↩ a96-16-199-109.deploy.static.akamaitechnologies.com
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.115.26 ↩ bg-in-f26.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
SOA Record
Raw SOA
a1-199.akam.net hostmaster.jfcjapan.co.jp 2020020621 3600 600 604800 300
Primary NS (mname)
a1-199.akam.net
Admin Email (rname)
hostmaster@jfcjapan.co.jp
Serial
2020020621
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a3-66.akam.net
a5-64.akam.net
a20-66.akam.net
a1-199.akam.net
a12-66.akam.net
a28-65.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:220.110.136.251 include:_spf.google.com ip4:18.176.74.155 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- google-site-verification=DW_-UZiB5KKIl5MXGiz9w41TPLOIHcUZ5wrMlcGpcIQ
- _gf790oo2punmm54ohbljf8x8jz5geaf
- SPFv=spf1 ip4:220.110.136.251 include:_spf.google.com ip4:18.176.74.155 ~all
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