How is tplinknbu.com?

Be careful risk 20/100

Registered 10 years ago, no valid HTTPS certificate, the site did not answer (OSError).

Why

02050100

finecarefulhigh risk

+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

10 years

registered 2016-06-17

Blocklists

listings across 2 lists

Everything we looked at

DNS records3 record types

MX	10 inbound-smtp.us-east-1.amazonaws.com
NS	ns-966.awsdns-56.net ns-347.awsdns-43.com ns-1230.awsdns-25.org ns-1958.awsdns-52.co.uk
TXT	google-site-verification=wLeX7lVcsmaeaNhP-jlIesVLbqPBEkAbEuAiHfsmtps _dnsauth=_c2zrcldcwd37w3hoczibw6x62s6qb4l v=spf1 include:amazonses.com ~all

Registration1API GmbH

registrar	1API GmbH
registered	2016-06-17
expires	2027-06-17
last changed	2026-04-09
nameservers	ns-1230.awsdns-25.org ns-1958.awsdns-52.co.uk ns-347.awsdns-43.com ns-966.awsdns-56.net
status	client transfer prohibited

registered 2016-06-17expires 2027-06-17

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → tplinknbu.com

Email authenticationgood

SPF	pass `v=spf1 include:amazonses.com ~all`
DMARC	pass policy quarantine
DKIM	none of 1 common selectors

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

Security scoregrade B · 145/190

Basic Security

20/40missing: DNSSEC Enabled

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

15/25missing: 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=tplinknbu.com" \ -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=tplinknbu.com"

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

Watch tplinknbu.com. 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