Check-Host.cc

Domain

help.opera.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of help.opera.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
14
A/AAAA targets
Subdomains
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
1
in our scans

DNS Records

A
18.184.126.229, 18.192.237.197, 3.120.254.59, 3.121.103.75, 3.125.164.116, 3.126.220.247, 3.68.17.19, 3.77.115.208
AAAA
MX
NS
ns-1412.awsdns-48.org, ns-1842.awsdns-38.co.uk, ns-372.awsdns-46.com, ns-611.awsdns-12.net
TXT
CNAME
CAA
0 iodef "mailto:opcom-alerts@opera.com", 0 issue "amazonaws.com", 0 issuewild ";"

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

145.226.46.106:80 href · ×13
145.226.175.254:80 href · ×13
145.226.171.35:443 href · ×13
145.226.46.84:80 href · ×13
145.226.46.123:80 href · ×13
145.226.175.156:443 href · ×13
145.226.174.68:443 href · ×13
145.226.175.106:80 href · ×13
52.142.224.164:443 href · ×4
95.217.180.90:443 href · ×2
91.206.207.130:80 href · ×2
56.125.210.185:443 href · ×2
52.212.33.153:443 href · ×2
176.31.25.117:443 href · ×2
185.18.197.114:443 href · ×2
109.248.157.220:995 href · ×2
176.31.25.117:80 href · ×2
217.18.33.45:443 href · ×2
109.248.157.220:443 href · ×2
109.248.157.220:465 href · ×2
81.24.161.213:443 href · ×2
212.129.4.251:443 href · ×2
3.254.28.129:443 href · ×2
31.97.118.129:443 href · ×1
23.81.118.94:8080 href · ×1
104.248.140.94:443 href · ×1
54.37.41.131:443 href · ×1
79.96.236.217:80 href · ×1
212.24.50.125:443 href · ×1
2.139.148.150:8080 href · ×1
34.154.178.1:80 href · ×1
2.139.232.47:8080 href · ×1
147.135.193.105:80 href · ×1
94.76.242.138:443 href · ×1
149.202.248.143:443 href · ×1
35.152.237.188:443 href · ×1
151.80.191.47:443 href · ×1
188.245.185.99:8080 href · ×1
178.159.47.88:443 href · ×1
109.248.157.220:9443 href · ×1
44.230.102.179:443 href · ×1
16.22.53.57:443 href · ×1
91.198.137.244:443 href · ×1
89.46.7.123:443 href · ×1
83.138.80.111:80 href · ×1
185.179.187.56:443 href · ×1
93.180.178.78:443 href · ×1
149.202.57.237:80 href · ×1
57.128.245.42:443 href · ×1
193.104.163.26:443 href · ×1

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

3d389ee32454f403… cloudflare · nimbus2026
Subject: sites.opera.com
Issuer: Amazon ECDSA 256 M04
SANs: sites.opera.com, thirdparty.opera.com, press.opera.com, help.opera.com, touch.help.opera.com, sites.route53.opera.com, www.help.opera.com, security.opera.com, investors.opera.com, operadaily.it, brand.opera.com
Valid: 2025-07-22 00:00:00 → 2026-08-20 23:59:59

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
A 3.126.220.247 2026-05-25 22:11:29.484 2026-05-27 15:19:01.837
NS ns-611.awsdns-12.net 2026-05-25 22:11:29.484 2026-07-28 20:31:39.973
NS ns-372.awsdns-46.com 2026-05-25 22:11:29.484 2026-07-28 20:31:39.973
NS ns-1412.awsdns-48.org 2026-05-25 22:11:29.484 2026-07-28 20:31:39.973
A 3.125.164.116 2026-05-25 22:11:29.484 2026-05-27 15:19:01.837
NS ns-1842.awsdns-38.co.uk 2026-05-25 22:11:29.484 2026-07-28 20:31:39.973
CAA 0 iodef "mailto:opcom-alerts@opera.com" 2026-05-26 02:34:00.508 2026-07-28 20:31:39.973
CAA 0 issuewild ";" 2026-05-26 02:34:00.508 2026-07-28 20:31:39.973
CAA 0 issue "amazonaws.com" 2026-05-26 02:34:00.508 2026-07-28 20:31:39.973
A 63.178.78.209 2026-06-07 13:14:24.831 2026-06-07 13:14:24.831
A 3.121.103.75 2026-06-07 13:14:24.831 2026-06-07 13:14:24.831
A 3.68.17.19 2026-06-15 00:54:33.538 2026-06-21 03:54:31.818
A 63.178.54.170 2026-06-15 00:54:33.538 2026-06-21 03:54:31.818
A 18.184.126.229 2026-06-22 16:14:55.288 2026-06-22 16:17:54.639
A 63.185.247.127 2026-06-22 16:14:55.288 2026-06-23 04:19:32.437
A 3.77.115.208 2026-06-22 22:22:25.202 2026-06-23 04:19:32.437
A 18.192.237.197 2026-07-16 16:59:28.329 2026-07-18 20:47:28.926
A 35.157.191.122 2026-07-16 16:59:28.329 2026-07-17 09:02:47.521
A 52.59.137.54 2026-07-17 15:51:41.338 2026-07-28 08:57:56.840
A 63.186.190.210 2026-07-19 10:05:24.267 2026-07-28 20:31:39.973
A 3.120.254.59 2026-07-28 14:19:27.748 2026-07-28 20:31:39.973