HOW.IS
?

How is dnsv.jp?

Be careful risk 25/100

Registered 20 years ago, no valid HTTPS certificate, the site did not answer (OSError).

Why

02050100
finecarefulhigh risk
  • +5Registration expires in 28 days.
  • +20No valid HTTPS certificate.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

Site
down
OSError
HTTPS
invalid
Could not resolve host (ENODATA)
Age
20 years
registered 2006-11-10
Blocklists
0
listings across 2 lists

Everything we looked at

DNS records2 record types
NS02.dnsv.jp
01.dnsv.jp
03.dnsv.jp
04.dnsv.jp
TXT_globalsign-domain-verification=H_DMW987qtq0jdIhPRhkoex_Q3OgagjTPrKbNxBsNB
v=spf1 ip4:150.95.10.64/28 ip4:210.157.2.0/29 ip4:210.157.2.8/29 ip4:210.157.2.16/29 -all
Registrationregistrar not reported
registered2006-11-10
expires2026-11-30
last changed2025-12-01
ownerGMO Internet , Inc.
nameservers01.dnsv.jp
02.dnsv.jp
03.dnsv.jp
04.dnsv.jp
statusActive
registered 2006-11-10expires 2026-11-30
HTTPS certificatenot valid
validno
problemCould not resolve host (ENODATA)
DNSSECinsecure

Domain is not signed with DNSSEC

. → jp → dnsv.jp
Email authenticationfair
SPFpass v=spf1 ip4:150.95.10.64/28 ip4:210.157.2.0/29 ip4:210.157.2.8/29 ip4:210.157.2.16/29 -all
DMARCpass policy quarantine
DKIMnone of 1 common selectors

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade C · 130/190
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
10/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
35/35
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 2 lookups
SURBL MultidomainURIBL Multidomain

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=dnsv.jp" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=dnsv.jp"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on dnsv.jp. Reference: /llms.txt.

IPv6. IPv6 readiness grade for dnsv.jp Does dnsv.jp work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch dnsv.jp. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days