🌐 nerv.app 200 🔒 SSL Valid
Checked: (cached 2026-10-24 05:37:27) ↻ Refresh 🔗 Visit site
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Also reached via: tenki.app
✨ About this site
This is the official disaster prevention application associated with the 'NERV' civil defense organization, primarily serving users in Japan with real-time emergency alerts and seismic information. Operating since 2019, it is a well-established and widely recognized specialized service inspired by the fictional organization from the anime Neon Genesis Evangelion. The name 'NERV' is a German word meaning 'nerve', which metaphorically relates to a central system for transmitting urgent signals.
📊 What the data says
Registered in 2019, this site is approximately seven years old and currently responds with a 200 HTTP status via Google Frontend. The tech stack includes Google Analytics, Google Tag Manager, and jQuery, while security is supported by HSTS and X-Frame-Options headers. A valid SSL certificate remains in effect until December 6, 2026.
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 42d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 1733d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
34.149.235.228
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 3
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📊 Analytics
Google Analytics Google Tag Manager
📦 JS Library
jQuery
📸 Screenshot Processing...
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⏳

Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)34.149.235.228
AAAA (IPv6)2600:1901::9785:0:0:0:0
NSns2.gehirndns.orgns2.gehirndns.netns2.gehirndns.jpns2.gehirndns.com
MX10 mx4.mta.gis.gehirn.jp10 mx1.mta.gis.gehirn.jp10 mx5.mta.gis.gehirn.jp10 mx3.mta.gis.gehirn.jp10 mx2.mta.gis.gehirn.jp
TXT (3)
Services configured via TXT:
Google
+1 other TXT record(s)
Show all TXT records
gehirn-dns-verification=4bc63f61a189782c82e63c6ca78c1c3a308bcea0
google-site-verification=CDKJYKcIS4TYBkYuKxTxHDvFtL7K7hZ8bcZCIQ5NjXE
v=spf1 include:spf.mta.gis.gehirn.jp -all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarSquarespace Domains II LLC.
Registered2019-07-24
Expires2031-07-24 (in 1733 days)
Last Updated2025-10-09
Statusclient delete prohibitedclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)nerv.app
IssuerGoogle Trust Services
Valid From2026-09-07
Valid Until2026-12-06 (42 days left)
SANs (1)nerv.app
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
ServerGoogle Frontend
Content-Typetext/html
Final URLhttps://nerv.app/
strict-transport-securitymax-age=31536000; includeSubDomains
x-frame-optionsDENY
x-content-type-optionsnosniff
cache-controlmax-age=900
via1.1 google
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address34.149.235.228
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score C (4/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags Missing
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Title特務機関NERV防災アプリ
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPF✓ Present
v=spf1 include:spf.mta.gis.gehirn.jp -all
DMARCNot set
MX Records
10 → mx4.mta.gis.gehirn.jp
10 → mx1.mta.gis.gehirn.jp
10 → mx5.mta.gis.gehirn.jp
10 → mx3.mta.gis.gehirn.jp
10 → mx2.mta.gis.gehirn.jp
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 17 active 5 for sale 1 available
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.com taken
.net ●
.org taken
.info ●
.io ●
.co ●
.dev taken
.app current
.me ●
.biz Available
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.se ●
.de taken
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.fr taken
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📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 12ms
Last Checked 2026-10-24 17:00:45.651839
Uptime (30d) 100%