How is rzone.de?

Be careful risk 30/100

No valid HTTPS certificate, the site did not answer (OSError).

Why

02050100

finecarefulhigh risk

+10The registry did not report a usable creation date.
+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

creation date not reported

Blocklists

listings across 2 lists

Everything we looked at

DNS records3 record types

MX	10 fwmx.rzone.de
NS	ns-strato.ui-dns.org ns-strato.ui-dns.com ns-strato.ui-dns.de ns-strato.ui-dns.biz
TXT	_telesec-domain-validation=329823_2024-01-09_LJ60oFQ2RXYtJMmtf0Z3ABJWWekSWwFDCRqppAQpjtY1Vgwm0Q 0tlkd2tlqbn713nb7f2852fhg15s62yx X-NIC Certified Quality Zone _telesec-domain-validation=2025-01-21_1UjF2aRYNgx2awUBszi1VXmmRnhexh8NAOlcym7wCT5hkwvyVo

Registrationregistrar not reported

last changed	2026-07-13
nameservers	ns-strato.ui-dns.biz. ns-strato.ui-dns.com. ns-strato.ui-dns.de. ns-strato.ui-dns.org.
status	active

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → de → rzone.de

Email authenticationfair

SPF	none
DMARC	pass policy reject
DKIM	none of 1 common selectors

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

Security scoregrade C · 130/190

Basic Security

20/40missing: DNSSEC Enabled

Record Security

15/45missing: CAA Records, SPF Record, 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=rzone.de" \ -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=rzone.de"

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

IPv6. Does rzone.de work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch rzone.de. 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