Rank #8,737Updated November 10, 2026
nikkan.co.jp
Human Verification
Its email security grade is F. Its SSL certificate is issued by Amazon and is valid for 63 more days.
- Domain age
- —
- Technologies
- —
- Email security
- F
- SSL days left
- 63
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 108.157.142.63 | 60 |
| A | 108.157.142.125 | 60 |
| A | 108.157.142.114 | 60 |
| A | 108.157.142.112 | 60 |
| MX | mta-1.nikkan.co.jp 10 | 300 |
| MX | mta-2.nikkan.co.jp 20 | 300 |
| NS | ns-1350.awsdns-40.org | 172800 |
| NS | ns-1972.awsdns-54.co.uk | 172800 |
| NS | ns-51.awsdns-06.com | 172800 |
| NS | ns-649.awsdns-17.net | 172800 |
| TXT | _globalsign-domain-verification=n4Tz4XklA1r0x34HoXtq0MfqPBHt6GOvZogixOESwI | 60 |
| TXT | google-site-verification=9gCoGqnZisT2L66jMardRq99J7n1hOQDCAbe6dETsRc | 60 |
| TXT | google-site-verification=Oa_5oQSbpQGP37mcKoCNGb2n9fhtBkjWnOMFDC0xitM | 60 |
| TXT | google-site-verification=uu1HThSFDaebjlcYHFI9sNqB5pAj8neBiW6sq8IH1Lg | 60 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Amazon RSA 2048 M04, Amazon |
| Expires | January 13, 2027 |
| Days remaining | 63 |
| Protocol | TLSv1.3 |
| Names | nikkan.co.jp, *.www.nikkan.co.jp, *.nikkan.co.jp |
Email security
FScore 5/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- badNo SPF record. Anyone can send email that claims to come from nikkan.co.jp.
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- good2 MX record(s) found.
Homepage metadata
| Title | Human Verification |
|---|---|
| Language | en |
| Indexable | Yes |
| Word count | 0 |
About nikkan.co.jp
Does nikkan.co.jp protect its email with SPF and DMARC?
nikkan.co.jp scores 5/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from nikkan.co.jp. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
What are the name servers of nikkan.co.jp?
nikkan.co.jp uses ns-1350.awsdns-40.org, ns-1972.awsdns-54.co.uk, ns-51.awsdns-06.com, ns-649.awsdns-17.net.