Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
furukawaelectric.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 00:48:50 UTC · ↺ Refresh
MX Hostnames
- furukawaelectric-com.mail.protection.outlook.com
MX Priorities
- furukawaelectric-com.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
- 52.101.124.0 ↩ mail-tycp286cu02600.inbound.protection.outlook.com
- 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com
- 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
fgw0.furukawa.co.jp root.fgw0.furukawa.co.jp 2026022501 10800 1800 3600000 600
Primary NS (mname)
fgw0.furukawa.co.jp
Admin Email (rname)
root@fgw0.furukawa.co.jp
Serial
2026022501
Refresh
10800s
Retry
1800s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
ns002-7ottlobatjrnyype.7.d-53.jp
ns002-7ottlobatjrnyype.7.d-53.org
ns002-7ottlobatjrnyype.7.d-53.info
fgw0.furukawa.co.jp
furukawa-gw.furukawa.co.jp
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:ipreomail.com include:_spfa.furukawaelectric.com include:_spfb.furukawaelectric.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- _globalsign-domain-verification=BtHD7un9AMGb-fI2Ncsy5XuFxXf09FKuUuXGuLRfBB
- SPFv=spf1 include:spf.protection.outlook.com include:ipreomail.com include:_spfa.furukawaelectric.com include:_spfb.furukawaelectric.com -all
- MS=ms29852479
- apple-domain-verification=RuJVpkP3l5CPRa6Z
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