TutorABC · Domain Security

Tutorabc Domain Security

Domain security

Domain security posture for TutorABC, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

CompanyEducationOnline LearningLanguage LearningEdTechE-LearningConsumer

Transport & Host Security

www.tutorabc.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes

Domain (DNS/Email) Security

tutorabc.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none

Source

Domain Security

tutorabc-domain-security.yml Raw ↑ 
generated: '2026-07-21'
method: probed
source: dig + TLS/HTTP HEAD probe of tutorabc.com hosts
hosts:
  - host: www.tutorabc.com
    https: true
    tls_version: TLSv1.3
    cert_valid: true
    hsts: true
    hsts_max_age: 157670188
domains:
  - domain: tutorabc.com
    dnssec: false
    caa: []
    spf: true
    spf_record: "v=spf1 mx mx:spam.tutorabc.com ip4:60.251.28.84 ip4:60.251.28.85 ip4:210.242.31.58 ip4:61.219.187.0/24 ip4:211.72.13.0/24 ip4:60.251.53.0/24 ip4:60.251.28.0/24 ip4:152.101.54.122 -all"
    dmarc: true
    dmarc_policy: none
notes: >-
  The apis.yml Website host tutorabc.com.cn does not resolve; the live consumer
  platform is served from www.tutorabc.com (redirects to /site/zh-tw). Probe run
  against the resolving production host.