HOW.IS
?

How is spectrum.com?

Looks fine risk 0/100

Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 8237 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

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

How spectrum.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
8237 ms
HTTPS
114 d
left on a GlobalSign nv-sa certificate
Age
32 years
registered 1994-07-27
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A142.136.168.7
142.136.81.135
142.136.168.58
142.136.81.136
MX0 spectrum-com.mail.protection.outlook.com
NSa12-66.akam.net
a2-65.akam.net
a1-187.akam.net
a7-66.akam.net
a11-66.akam.net
a18-65.akam.net
TXTdocusign=f0e077d7-0eb2-4fc6-bd99-7cfe6227e228
v=spf1 ip4:142.136.234.128/27 ip4:142.136.235.128/27 include:aspmx.pardot.com include:everbridge.net include:spf.protection.outlook.com ~all
pexip-ms-tenant-domain-verification=e09712b4-39a7-44ce-a036-a242f0e3f332
atlassian-domain-verification=5q5r35hSgdQxHaBJ0S0BVJ9CBnmQ5/PNh8dPKJF6oHvKHTI4diJ2cF0L8r0wPxwH
00DWB000006aAgX=1TBWB00000002Ej
facebook-domain-verification=gggrjx1q04wkwyb3g51ew9a0uvb3h0b
smartsheet-site-validation=jOF0xArkkltDAbImVHr7xIkIaRJ-yeFI
00DO200000EkTBq=1TBO20000000ERB
anthropic-domain-verification-rs19vn=hBt71QbMoLxxZ8xOOuxMByp8G
insomnia-validation=8a6b7b20c0fb4a2ab8d7b0be5ff831eb6de71f05784d5ea690f05be80384dfc4
flexera-domain-verification-lblhsdtuutrgdumi
7HLhOjsPmLXtqhkcpc7LvXFaZW1zjHo1-YAi1t7K5gESLZakuNo7NQ
@ MS=ms86718722
docusign=a0cbf796-bb93-4544-bab0-f637c55cc80d
adobe-idp-site-verification=204abc57a67dcfff034aee07aa9db2a7577ce9bdb3bf45a3657c0a2a3fecb289
SFMC-m2xZGT7-Ntc-O1HYMTGFW_SXjGyI_plkuo6mae4V
facebook-domain-verification=oh9iz8g9in0fc1uzwop7nqa2qhgwqs
flexera-domain-verification-oaimpehnwckstwhr
_ec65e45dac93fc3934fa5fdbb9bcf36a.spectrum.com.
apple-domain-verification=ljFf9Ht3HWJXytvP34auvCc5G2VOU1m2FKzRBTWtjZc
docker-verification=5484f6dd-6c7e-4cdd-9f16-715034d56455
paloaltonetworks-site-verification=0f8aee8f1efecd666f61dd2e122cd3cd4fd01559231867de7421bbbd7ff5ec70
_0560d4c7f0ee467cfa8856068f5120e9.djqtsrsxkq.acm-validations.aws.
google-site-verification=QQsT4V9HBHhkUnVgV7QXFH1NiS-Ug-L28YxfbmBVyeo
postman-domain-verification=03636d118ea216ce2b7deaec31ccd70b5f593e1d0cbfec3b6b47f4f6da1358101082916a55e4fa40acd5541eb52fec96427b142cc83eae0186e509736b16a808
ms-domain-verification=31dce107-7863-4da1-91ec-acba091a8778
00D41000000cQ2w=1TB7y00000009rJ
cisco-ci-domain-verification=2616c4069abfb4cde83eab2f36c7645638aa84439c3b46f75372f9e9d945ee40
smartsheet-site-validation=ZeIXL7WWBXaeYMbk20Nj0Bw6wd-DZdtV
_4b8dc5b762cd5b4abdfdb6ea9237829e.zfyfvmchrl.acm-validations.aws.
ms=ms45056673
wrike-verification=NjkzNDcyNTo1NmUwOTdiZjNhNmU5ZWI3ZmQ4NDM0MjIyZjQwZTY4ZDE0ZGQyYzFjOTAwNzAwNjAwNWI3ZWI1Y2JkZTYzZWFi
miro-verification=e51116d30341c8179b1529830f0d0a994990af6e
figma-domain-verification=d6976db429d27190853a51e2a795ca7f543818bcf389f6f21237a60902462b1a-1743432666
_29620b79c3743504308685c884570739.spectrum.com.
google-site-verification=0bRYti_wd6n2BgDhRaJ7JazASd9YHEzMGyX3fDXN36o
lucid-verification=crz_byg9nke4bne1QBP
dr7h5d42l6onl2cunp6l5lfec2
RegistrationCSC Corporate Domains, Inc.
registrarCSC Corporate Domains, Inc.
registered1994-07-27
expires2027-07-26
last changed2026-07-22
ownerCharter Communications Operating, LLC
nameserversns1.charter.com
ns2.charter.com
ns3.charter.com
ns4.charter.com
statusclient transfer prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 1994-07-27expires 2027-07-26
HTTPS certificate114 days left
validyes
issuerGlobalSign nv-sa
coversspectrum.com, baedirectsales.spectrum.com, bhnbusiness.brighthouse.com, business.spectrum.com, buy.spectrum.com, buy.spectrummobile.com, channelpartners.spectrum.com, charter.com, charterbusiness.com, cpartner.spectrum.com, directsales.spectrum.com, enterprise.spectrum.com
protocolTLSv1.3
issued 2026-08-06expires 2027-02-21
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → spectrum.com
Email authenticationexcellent
SPFpass v=spf1 ip4:142.136.234.128/27 ip4:142.136.235.128/27 include:aspmx.pardot.com include:everbridge.net include:spf.protection.outlook.com ~all
DMARCpass policy quarantine
DKIMfound: selector1

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

Security scoregrade B · 150/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop142.136.81.135Barracuda142.136.81.135UCEPROTECT Level 1142.136.81.135SpamCop142.136.168.7Barracuda142.136.168.7UCEPROTECT Level 1142.136.168.7SpamCop142.136.81.136Barracuda142.136.81.136UCEPROTECT Level 1142.136.81.136SpamCop142.136.168.58Barracuda142.136.168.58UCEPROTECT Level 1142.136.168.58

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=spectrum.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=spectrum.com"

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

Watch spectrum.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