How is sbcglobal.net?

Be careful risk 20/100

Registered 27 years ago, no valid HTTPS certificate, the site did not answer (OSError).

Why

02050100

finecarefulhigh risk

+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

27 years

registered 2000-03-27

Blocklists

listings across 2 lists

Everything we looked at

DNS records3 record types

MX	10 mx-att.mail.am0.yahoodns.net
NS	a5-67.akam.net a14-65.akam.net a4-66.akam.net a8-64.akam.net a9-66.akam.net a1-212.akam.net
TXT	v=spf1 include:_ipspf.yahoo.com ~all

RegistrationCSC Corporate Domains, Inc.

registrar	CSC Corporate Domains, Inc.
registered	2000-03-27
expires	2027-03-27
last changed	2026-03-23
owner	AT&T SERVICES, INC.
nameservers	a1-212.akam.net a14-65.akam.net a4-66.akam.net a5-67.akam.net a8-64.akam.net a9-66.akam.net
status	client transfer prohibited server delete prohibited server transfer prohibited server update prohibited

registered 2000-03-27expires 2027-03-27

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → net → sbcglobal.net

Email authenticationgood

SPF	pass `v=spf1 include:_ipspf.yahoo.com ~all`
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 B · 135/190

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

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=sbcglobal.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=sbcglobal.net"

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

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

Watch sbcglobal.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