Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.DCDN & DeliveryActionNo CDN detectedFIX
Consider using a CDN to improve global delivery speed and reduce origin load.
CIPv6 ReadinessActionNo IPv6 supportREVIEW
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.
Source: Google IPv6 stats
CURL VariantsActionwww/non-www, trailing slash, HTTP→HTTPSREVIEW
www / non-www
Inconsistent — duplicate content risk
HTTP → HTTPS
Use 301 (permanent) instead of 302 (temporary)
BTLS Certificate Expiry & Recommendations66 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
- Enable DNSSEC on your domain for DNS spoofing protection
- Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A+DNS Records1 A records, 8 ms lookupPASS
| A | 34.120.212.72 |
| AAAA | — |
| CNAME | — |
| NS | ns-cloud-e4.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com |
| MX | 0 ndr-de.mail.protection.outlook.com |
| TXT | facebook-domain-verification=x159mgan9crfavdpk2v0vce38bb9lg MS=ms28619877 d365mktkey=gi5K6PQgXGwAfsO5aS9FPtcm7QzvPsJ4Pl6ehbLikIQx NhQ/677HBcNBEIR+gnl++KRSuwpmDhYJRxM7/mUzghCZiapJrmMU+qMdBfDhNcxtCNRrgLByw3+dXUFN... SPF v=spf1 ip4:194.113.141.20 include:spf.protection.outlook.com include:spf.ndr.de ... miro-verification=ed3cad95eac9bbd2580e05f99d4c5d8586c1dda4 atlassian-domain-verification=gkV/MyNeBulRCud7iJVxcnS8Je9mui6WRp25WLobRklwp48gzl... google-site-verification=iwVoxBMq7hRa0iYCxPieWtC-s7fyJGBT3fWvIxGUe1M |
| CAA | Lookup not available with standard resolver |
Multiple A records provide failover if one server goes down.
Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.
Learn more ▾ ▴
Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.
Source: SRE practice / DNS architecture
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.
ARedirect Chain1 redirect(s), 612 ms totalPASS
https://ndr.de
12 ms · HTTP/1.1
https://www.ndr.de:443/
600 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://ndr.de | 302 | 12 ms | HTTP/1.1 | |
| 2 | https://www.ndr.de:443/ | 200 | 600 ms | HTTP/1.1 |
See the visual redirect chain in the HTTP Probe tab →
If permanent, use 301 instead.
302 (Found) is for genuinely temporary redirects — if this redirect is permanent, switch to 301 to preserve SEO equity.
Learn more ▾ ▴
Search engines treat 302 as temporary, keeping the original URL indexed and not transferring full link equity to the destination. Use 301 (Moved Permanently) for permanent redirects (HTTP→HTTPS, www-vs-non-www, URL restructures).
Source: Google Search Central
A+Crawlabilityrobots.txt present, sitemap with 359 URLsPASS
Sitemap: https://www.ndr.de/news-102~news.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--info--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--niedersachsen--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--schleswig--holstein--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--mecklenburg--vorpommern--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--hamburg--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--ratgeber--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--sport--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--kultur--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--geschichte--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--fernsehen--100.xml
Sitemap: https://www.ndr.de/index~sitemap_f-sitemap--ndr--weitere--100.xml
User-agent: *
Disallow: /n-joy/appmedien
Disallow: /*ut*.xml
Disallow: /*podcast5654.xml
Disallow: /*.json
Disallow: /ratgeber/*?filter=
Disallow: /*~player.html
Disallow: /*~ardplayer.html
############
# Amazon
User-agent: Amazonbot
Disallow: /
# Anthropic
User-agent: anthropic-ai
Disallow: /
User-agent: ClaudeBot
Disallow: /
User-agent: Claude-User
Disallow: /
User-agent: Claude-SearchBot
Disallow: /
User-agent: claude-web
Disallow: /
# Apple
User-agent: Applebot-Extended
Disallow: /
# ByteDance
User-agent: Bytespider
Disallow: /
User-agent: TikTokSpider
Disallow: /
# Cohere
User-agent: cohere-ai
Disallow: /
User-agent: cohere-training-data-crawler
Disallow: /
# Common Crawl
User-agent: CCBot
Disallow: /
# Diffbot
User-agent: DiffBot
Disallow: /
# DuckDuckGo
User-agent: DuckAssistBot
Disallow: /
# Google
User-agent: Google-Extended
Disallow: /
# Huawei
User-agent: PetalBot
Disallow: /
User-agent: PanguBot
Disallow: /
# Meta
User-agent: meta-externalagent
Disallow: /
User-agent: Meta-ExternalFetcher
Disallow: /
User-agent: FacebookBot
Disallow: /
# Mistral
User-agent: MistralAI-User
Disallow: /
# OpenAI
User-agent: ChatGPT-User
Disallow: /
User-agent: GPTBot
Disallow: /
User-agent: OAI-SearchBot
Disallow: /
User-agent: ChatGPT-User/2.0
Disallow: /
# Perplexity
User-agent: PerplexityBot
Disallow: /
User-agent: Perplexity-User
Disallow: /
# Webz.io
User-agent: omgili
Disallow: /
User-agent: omgilibot
Disallow: /
User-agent: Webzio-Extended
Disallow: /
# You.com
User-agent: YouBot
Disallow: /
# Zyte
User-agent: Scrapy
Disallow: /
- https://www.ndr.de/nachrichten/mecklenburg-vorpommern/ostsee-wal-schwere-vorwuerfe-gegen-rettungsteam,wal-440.html
- https://images.ndr.de/image/61c7f74b-d233-4f58-bd60-6580fdb56af7/AAABna9eZTU/AAABnR8VW9w/original/wal-438.jpg?width=3840
- https://www.ndr.de/nachrichten/niedersachsen/NDR-Niedersachsen-Unsere-Themen-bei-Instagram,ndrniedersachsen100.html
- https://images.ndr.de/image/67a6db68-8db5-4f1e-b221-cc7134b28db1/AAABlhv7Gdk/AAABnR8VW9w/original/instagram296.jpg?width=3840
- https://www.ndr.de/nachrichten/info/NDR-Info-2145-,ndrinfo-11694.html
A+Domain Intelligencendr.de — hosted on Google CloudPASS
Unknown
66 days
Issued by Google Trust Services
Unknown
Status unknown
Protects against DNS spoofing
Google Cloud
ASN AS396982
34.120.212.72
Registrar unknown
Expiry timeline
Recommended actions
- Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.
Learn more ▾ ▴
Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.
Source: ICANN / domain-security best practice