How is 33across.com?

Looks fine risk 0/100

Registered 19 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 81 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

81 ms

HTTPS

30 d

left on a Let's Encrypt certificate

Age

19 years

registered 2007-09-29

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	151.101.194.159
MX	10 aspmx.l.google.com 20 alt2.aspmx.l.google.com 30 alt3.aspmx.l.google.com 30 alt4.aspmx.l.google.com 20 alt1.aspmx.l.google.com
NS	ns51.constellix.net ns41.constellix.net ns21.constellix.com ns31.constellix.com ns11.constellix.com ns61.constellix.net
TXT	google-site-verification=AqYTvL5bFYGZvakCh8MuHVA1w2ejHunmwwSMuQ8l_7k ca3-31f5a429c517415d92c2cabb300d3b7a v=spf1 ip4:72.28.123.96/27 include:_spf.google.com include:441909.spf08.hubspotemail.net ~all apple-domain-verification=5KYMuI9mIS9XRh8S
CAA	{'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'} {'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}

RegistrationGoDaddy.com, LLC

registrar	GoDaddy.com, LLC
registered	2007-09-29
expires	2028-09-29
last changed	2026-09-30
nameservers	ns11.constellix.com ns21.constellix.com ns31.constellix.com ns41.constellix.net ns51.constellix.net ns61.constellix.net
status	client delete prohibited client renew prohibited client transfer prohibited client update prohibited

registered 2007-09-29expires 2028-09-29

HTTPS certificate30 days left

valid	yes
issuer	Let's Encrypt
covers	33across.com
protocol	TLSv1.3

issued 2026-08-29expires 2026-11-27

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → 33across.com

Email authenticationgood

SPF	pass `v=spf1 ip4:72.28.123.96/27 include:_spf.google.com include:441909.spf08.hubspotemail.net ~all`
DMARC	warning policy none
DKIM	found: google, s1, s2

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

Security scoregrade B · 173/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

38/45missing: DMARC Record, DKIM Presence

Advanced Security

20/25missing: IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop151.101.194.159Barracuda151.101.194.159UCEPROTECT Level 1151.101.194.159

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=33across.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=33across.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on 33across.com. Reference: /llms.txt.

Watch 33across.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