How is aternos.org?

Looks fine risk 0/100

Registered 13 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 59 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

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

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

403

59 ms

HTTPS

56 d

left on a Google Trust Services certificate

Age

13 years

registered 2013-08-27

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	172.66.148.42 104.20.47.30
AAAA	2606:4700:10::6814:2f1e 2606:4700:10::ac42:942a
MX	5 alt2.aspmx.l.google.com 1 aspmx.l.google.com 10 alt3.aspmx.l.google.com 5 alt1.aspmx.l.google.com 10 alt4.aspmx.l.google.com
NS	uma.ns.cloudflare.com ivan.ns.cloudflare.com
TXT	MS=ms53301068 apple-domain-verification=Iehi4ibq_9ky68rL8xwvXtDbO7Zk5kF3jRFRM9F-p3c google-site-verification=MMu3GE8lajsIf9EKDrTjW-AXt24XlyXM_PDy3dBlVZw anthropic-domain-verification-xfa1y2=fPB04uWwit0vKSayWGGHcNmLK v=spf1 mx a:deadpool.aternos.org include:mail.zendesk.com include:_spf.google.com include:sparkpostmail.com -all facebook-domain-verification=m6rpe4yqz6f9f4ns4zmrqefrucscpw google-site-verification=_X67qgEofhkgvkMN1ahvnewNs87M7HujFIIyhEO9yaI

RegistrationInterNetX GmbH

registrar	InterNetX GmbH
registered	2013-08-27
expires	2027-08-27
last changed	2026-10-11
owner	Aternos GmbH
nameservers	ivan.ns.cloudflare.com uma.ns.cloudflare.com
status	client transfer prohibited

registered 2013-08-27expires 2027-08-27

HTTPS certificate56 days left

valid	yes
issuer	Google Trust Services
covers	aternos.org, *.aternos.org
protocol	TLSv1.3

issued 2026-09-26expires 2026-12-25

DNSSECsecure

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

. → org → aternos.org

Email authenticationexcellent

SPF	pass `v=spf1 mx a:deadpool.aternos.org include:mail.zendesk.com include:_spf.google.com include:sparkpostmail.com -all`
DMARC	pass policy reject
DKIM	found: google

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

Security scoregrade B · 160/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

25/25

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop104.20.47.30Barracuda104.20.47.30UCEPROTECT Level 1104.20.47.30SpamCop172.66.148.42Barracuda172.66.148.42UCEPROTECT Level 1172.66.148.42

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=aternos.org" \ -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=aternos.org"

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

Watch aternos.org. 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