How is charter.net?

Looks fine risk 0/100

Registered 29 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 111 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

200

111 ms · ends at www.spectrum.net

HTTPS

64 d

left on a Amazon certificate

Age

29 years

registered 1997-08-08

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	75.2.77.94 99.83.251.242
MX	10 mx0.charter.net
NS	ns3.charter.com ns2.charter.com ns4.charter.com ns1.charter.com
TXT	v=spf1 ip4:209.225.8.0/24 ip4:209.225.28.0/24 ip4:209.225.29.51/32 ip4:64.210.232.0/24 ip4:216.33.127.0/24 ip4:64.209.227.0/24 ip4:68.114.188.0/22 ip4:47.43.20.0/24 ip4:47.43.16.0/23 ~all

RegistrationCSC Corporate Domains, Inc.

registrar	CSC Corporate Domains, Inc.
registered	1997-08-08
expires	2027-08-07
last changed	2026-08-03
owner	Charter Communications Operating, LLC
nameservers	ns1.charter.com ns2.charter.com ns3.charter.com ns4.charter.com
status	client transfer prohibited

registered 1997-08-08expires 2027-08-07

HTTPS certificate64 days left

valid	yes
issuer	Amazon
covers	spectrum.net, .spectrum.net, .aws.spectrum.net, .charter.net, .aws.charter.net, charter.net
protocol	TLSv1.3

issued 2026-06-17expires 2026-12-31

DNSSECinsecure

Domain is not signed with DNSSEC

. → net → charter.net

Email authenticationpoor

SPF	pass `v=spf1 ip4:209.225.8.0/24 ip4:209.225.28.0/24 ip4:209.225.29.51/32 ip4:64.210.232.0/24 ip4:216.33.127.0/24 ip4:64.209.227.0/24 ip4:68.114.188.0/22 ip4:47.43.20.0/24 ip4:47.43.16.0/23 ~all`
DMARC	none
DKIM	none of 1 common selectors

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

Security scoregrade C · 135/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

15/45missing: CAA Records, DMARC Record, DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop75.2.77.94Barracuda75.2.77.94UCEPROTECT Level 175.2.77.94SpamCop99.83.251.242Barracuda99.83.251.242UCEPROTECT Level 199.83.251.242

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=charter.net" \ -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=charter.net"

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

Watch charter.net. 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