Skip to content
https://elperiodico.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
87
GRADE
B
FIX
1
REVIEW
3
PASS
5
INFO
0
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
5 PASS 3 REVIEW 1 FIX
D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

Consider using a CDN to improve global delivery speed and reduce origin load.

B
Redirect Chain
2 redirect(s), 104 ms total
REVIEW
2 redirect(s), 104 ms total
Warning::
2 redirects before reaching final URL
Each redirect adds latency. Try to minimize the chain to 1 hop.
Info::
WWW normalization redirect

https://elperiodico.com

49 ms · HTTP/1.1

301

https://www.elperiodico.com/

50 ms · HTTP/1.1

301

https://www.elperiodico.com/es/

5 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://elperiodico.com30149 msHTTP/1.1Varnish
2https://www.elperiodico.com/30150 msHTTP/1.1
3https://www.elperiodico.com/es/2005 msHTTP/1.1

See the visual redirect chain in the HTTP Probe tab →

Each redirect adds latency. Try to minimize the chain to 1 hop.

Why this matters

Redirect chain — each hop adds latency; combine into one redirect where possible.

Source: Google Search Central / web.dev

C
IPv6 Readiness
Action
No IPv6 support
REVIEW
No IPv6 support
Info::
No IPv6 (AAAA) records found
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No IPv6 Support
About 40% of internet users have IPv6. Consider adding AAAA records.

IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.

Why this matters

No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.

Source: Google IPv6 stats

B
TLS Certificate Expiry & Recommendations
163 days until leaf cert expires — 4 issues to address
REVIEW

Certificate validity

163
days left
0d 30d 60d 90d+

Recommended actions

  • Prefer TLS 1.3 — TLS 1.2 is acceptable but TLS 1.3 removes RSA key exchange and improves latency
  • 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 Records
1 A records, 76 ms lookup
PASS
1 A records, 76 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 195.57.161.165
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
No IPv6 (AAAA) records
Info::
2 nameserver(s) configured
Got: ns2.epi.es, ns1.epi.es
Info::
1 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Info::
DNS resolution time: 76 ms
Got: 76 ms
A195.57.161.165
AAAA
CNAME
NSns2.epi.es, ns1.epi.es
MX
10 mx.renr.es
TXT
MS=ms65686290
google-site-verification=iniMOfnTPnijVTvePouLAmVUEe0NURFrZ-IfA0kvUOk
SPF v=spf1 ip4:195.77.249.0/24 ip4:212.92.45.112/30 ip4:217.124.241.96/27 ip4:195.76...
CAALookup not available with standard resolver
Resolved in 76 ms

Multiple A records provide failover if one server goes down.

Why this matters

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.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

A+
Crawlability
robots.txt present, sitemap with 854 URLs
PASS
robots.txt present, sitemap with 854 URLs
Info::
robots.txt is present
Got: 2843 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 854 entries
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 2843 B Sitemaps referenced 3 User-agents Teleport, DotBot, BLEXBot, Yandex, facebookexternalhit, AmazonAdBot, Baiduspider, GPTBot, 008, BUbiNG, Googlebot, JikeSpider, Zealbot, spbot, ChatGPT-User, Google-Extended, *, Twitterbot, WebStripper, HTTrack, OAI-SearchBot, Fetch, magpie-crawler, ClaudeBot, UnisterBot, WebCopier, MJ12bot, PerplexityBot, Meta-ExternalAgent Blocking No — crawling allowed
# Bloqueo de bots no deseados
User-agent: 008
Disallow: /
User-agent: UnisterBot
Disallow: /
User-agent: JikeSpider
Disallow: /
User-agent: Zealbot
Disallow: /
User-agent: WebStripper
Disallow: /
User-agent: WebCopier
Disallow: /
User-agent: Fetch
Disallow: /
User-agent: Teleport
Disallow: /
User-agent: HTTrack
Disallow: /
User-agent: magpie-crawler
Disallow: /
User-agent: MJ12bot
Disallow: /
User-agent: DotBot
Disallow: /
User-agent: spbot
Disallow: /
User-agent: BLEXBot
Disallow: /
User-agent: BUbiNG
Disallow: /

# Agentes bloqueados por idioma
User-agent: Yandex
Disallow: /
User-agent: Baiduspider
Disallow: /

# AI data scrappers
User-agent: OAI-SearchBot
Disallow: /
User-agent: ChatGPT-User
Disallow: /
User-agent: GPTBot
Disallow: /
User-agent: ClaudeBot
Disallow: /
User-agent: Meta-ExternalAgent
Disallow: /
User-agent: PerplexityBot
Disallow: /

User-agent: Google-Extended
Disallow: /
Allow: /es/economia/
Allow: /es/extra/
Allow: /es/gente/
Allow: /es/tele/
Allow: /es/vida-y-estilo/
Allow: /es/ser-feliz/
Allow: /es/yotele/

####

User-agent: Googlebot
# Analytics / monitorización
Disallow: /cds-statics/js/analyticsModulesFromData.js
Disallow: /cds-statics/js/newrelic_prod.js

# Ads / comportamiento sticky
Disallow: /assets/js/sticking/
Disallow: /cds-statics/js/renr-ads_skys-sticky.js
Disallow: /cds-statics/assets/js/dobleSkin/
Disallow: /cds-statics/assets/js/sticking/

# UI no esencial
Disallow: /assets/js/dropdown/
Disallow: /assets/js/tabs/
Disallow: /cds-statics/assets/js/modal/

# Librerías
Disallow: /deportes/ed/js/jquery-3.4.1.min.js
Disallow: /deportes/ed/js/swiper.min.js

# Legacy
Disallow: /cds-statics/js/renr_header

# CMP
Disallow: /estaticos/data/cmp/prensaiberica

####

# Reglas generales para todos los bots
User-agent: *
Allow: /*-bc-
Allow: /*-sh/index.html$
Allow: /*-rm/index.html$
Disallow: /es/suscriptores/*
Disallow: /es/includes/
Disallow: /*index.html$
Disallow: /es/newsletters/
Disallow: /es/verde-y-azul/
Disallow: /es/noticias/sitemap*
Disallow: /es/podcast/mamarazzis/
Disallow: /es/component/cmp-detail-newsbytag/
Disallow: /juegos-olimpicos/disciplinas/
Disallow: /juegos-olimpicos/calendario/
Disallow: /juegos-olimpicos/medallero/
Disallow: /juegos-olimpicos/resultados/
Disallow: /fonts/
Disallow: /hemeroteca/
Disallow: /buscador/
Disallow: /*?p=
Disallow: /*CANONICAL_URL
Disallow: /cds-statics/assets/fonts/
Disallow: /cds-statics/assets/js/sticking/
Disallow: /cuore/commons/fonts/
Disallow: /cuore/CUO/fonts/
Disallow: /cuore/commons/fonts/

####

# Bots Redes Sociales
User-agent: Twitterbot
Allow: /
User-agent: facebookexternalhit
Allow: /

User-agent: AmazonAdBot
Allow: /

####

# Sitemaps
Sitemap: https://www.elperiodico.com/es/sitemapNews.xml
Sitemap: https://www.elperiodico.com/es/sitemapMonth.xml
Sitemap: https://www.elperiodico.com/es/sitemapSection.xml
A+
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

301https://www.elperiodico.com/
200https://elperiodico.com/

Preferred variant: non-www

HTTP → HTTPS

301http://elperiodico.com/ https://www.elperiodico.com/

Consistent

A+
Domain Intelligence
elperiodico.com — via 10dencehispahard, S.L., 30 years, 4 months old, hosted on TELEFONICA_DE_ESPANA, ES
PASS
elperiodico.com — via 10dencehispahard, S.L., 30 years, 4 months old, hosted on TELEFONICA_DE_ESPANA, ES
Info::
Domain registered until May 24, 2028 (2 years, 1 months remaining)
Info::
DNSSEC is not enabled
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Info::
Registrar: 10dencehispahard, S.L.
Warning::
Registrar lock is NOT enabled
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.
Info::
Hosting: TELEFONICA_DE_ESPANA, ES
Got: AS3352
Domain expiry

708 days

May 24, 2028

SSL certificate

163 days

Issued by Sectigo Limited

Domain age

30 years, 4 months

Registered May 23, 1996

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

TELEFONICA_DE_ESPANA, ES

ASN AS3352

195.57.161.165

Registrar

10dencehispahard, S.L.

Unlocked 4 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable DNSSEC to protect visitors from DNS spoofing
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar 10dencehispahard, S.L.
Created May 23, 1996 (30 years, 4 months ago)
Expires May 24, 2028 (2 years, 1 months)
Last Updated April 15, 2026
Name Servers ns1.epi.es, ns2.epi.es, ns3.prensaiberica.net, ns4.prensaiberica.net
DNSSEC Not enabled
Hosting
IP Address 195.57.161.165
ASN AS3352 (TELEFONICA_DE_ESPANA, ES)
Provider TELEFONICA_DE_ESPANA, ES
Data source: rdap (0.4s)

DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.

Why this matters

Without DNSSEC, an attacker who can poison your DNS can hijack your domain — and SSL certs alone don't stop them.

Learn more

DNSSEC adds cryptographic signatures to DNS records, preventing forged responses from poisoning resolver caches. Without it, an attacker who controls the network path can redirect your domain to a malicious server before any HTTPS handshake happens. Most modern registrars (Cloudflare, Google Domains, Route 53) enable it with one toggle.

Source: ICANN / RFC 4033

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.

Why this matters

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

A
HTTP Probe Timing
Total 404 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
45 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
2 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
351 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
405 ms
Total Time Total request time from DNS lookup through full response.
405 ms

Connection waterfall

DNS Lookup 45 ms TCP Connect 2 ms TLS Handshake 351 ms Server Processing 7 ms Content Transfer 0 ms
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback