Domain Intelligence Report

arstechnica.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

5
DNS record types
102d
SSL cert remaining
54
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for arstechnica.com.

A 2 records
  • 3.134.6.97
  • 52.15.226.100
MX 5 records
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
TXT 9 records
  • "google-site-verification=OtVm0j4Rqs4y10N827uQ_n8ZnMtO0vfqw1k5NCzaJvo"
  • "google-site-verification=Xt1q2fpVK6qREDXADvlLz2O5pvmUz9G_xxoGdeEnrH0"
  • "google-site-verification=XuFuLW59WRoAbzeQ-wsF0JwpaeYwtdzRmtiktfi3Pmc"
  • "google-site-verification=nso4GHYIGZwo4gB6AoUxzJWkxOUdx83kbGeREAxnv3A"
  • "loaderio=2fd6086b1c3ba926ae36db37131123f7"
  • "v=spf1 include:_u.arstechnica.com._spf.smart.ondmarc.com ~all"
  • "yahoo-verification-key=bP+HO9s82IBxbotbnF/O1nN4Jo4VfFXq5JNFAPCK8+o="
  • "facebook-domain-verification=qptjyerza2q11uv3fe6aay6hbsncr8"
  • "google-site-verification=HdFEloOqFNJZvQWa7SK2BRmWVt8aVnPuagqXZ-C2U5U"
NS 4 records
  • ns-493.awsdns-61.com.
  • ns-783.awsdns-33.net.
  • ns-1285.awsdns-32.org.
  • ns-2008.awsdns-59.co.uk.
SOA 1 record
  • ns-1285.awsdns-32.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Registration

WHOIS / RDAP

Registration data for arstechnica.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
CSC Corporate Domains, Inc.
Created
1998-12-30T05:00:00Z
Updated
2025-12-26T06:03:54Z
Expires
2027-12-30T05:00:00Z
Handle
3408778_DOMAIN_COM-VRSN
Nameservers
NS-1285.AWSDNS-32.ORGNS-2008.AWSDNS-59.CO.UKNS-493.AWSDNS-61.COMNS-783.AWSDNS-33.NET
Status
client transfer prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against arstechnica.com. No third-party scanner.

ssl 102 days remaining
Issuer
CN=Amazon RSA 2048 M03,O=Amazon,C=US
Subject
CN=*.arstechnica.com
Valid from
2025-07-27T00:00:00+00:00
Valid to
2026-08-23T23:59:59+00:00
Serial
16282569369857887639912224018970513141
SANs (2)
*.arstechnica.comarstechnica.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 429 · certspotter rate-limited · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 54 found
crt.sh status 429 certspotter rate-limited hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +54 (wordlist 54)
  • admin.arstechnica.com
  • administrator.arstechnica.com
  • api.arstechnica.com
  • app.arstechnica.com
  • apps.arstechnica.com
  • assets.arstechnica.com
  • autoconfig.arstechnica.com
  • autodiscover.arstechnica.com
  • beta.arstechnica.com
  • blog.arstechnica.com
  • cdn.arstechnica.com
  • cpanel.arstechnica.com
  • demo.arstechnica.com
  • dev.arstechnica.com
  • dns1.arstechnica.com
  • dns2.arstechnica.com
  • docs.arstechnica.com
  • email.arstechnica.com
  • ftp.arstechnica.com
  • help.arstechnica.com
  • imap.arstechnica.com
  • m.arstechnica.com
  • mail.arstechnica.com
  • mail2.arstechnica.com
  • media.arstechnica.com
  • mobile.arstechnica.com
  • mx.arstechnica.com
  • mx1.arstechnica.com
  • mx2.arstechnica.com
  • my.arstechnica.com
  • new.arstechnica.com
  • ns1.arstechnica.com
  • ns2.arstechnica.com
  • ns3.arstechnica.com
  • old.arstechnica.com
  • pop.arstechnica.com
  • pop3.arstechnica.com
  • portal.arstechnica.com
  • remote.arstechnica.com
  • secure.arstechnica.com
  • shop.arstechnica.com
  • smtp.arstechnica.com
  • stage.arstechnica.com
  • staging.arstechnica.com
  • static.arstechnica.com
  • status.arstechnica.com
  • store.arstechnica.com
  • support.arstechnica.com
  • test.arstechnica.com
  • vpn.arstechnica.com
  • webdisk.arstechnica.com
  • webmail.arstechnica.com
  • whm.arstechnica.com
  • www.arstechnica.com
Email

Email Security Posture

SPF and DMARC presence and records for arstechnica.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 include:_u.arstechnica.com._spf.smart.ondmarc.com ~all
DMARC present
  • v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:a6816915@inbox.ondmarc.com; ruf=mailto:a6816915@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
DKIM selector required

DKIM requires selector; not auto-discoverable

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