Website

Answer
200 OKin 259 ms
Title
a4a – Webhosting, E-Mail und Domains aus Berlin
Server
Apache
Protocols
HTTP/2
Certificate
Let's Encrypt (YR1) for a4a.de and www.a4a.de, valid until
www
Redirects to https://a4a.de/ (301)

DNS records

a4a.de

A
TTL 1 hour
AAAA
TTL 1 hour
MX
  • 10mail.a4a.de
TTL 1 hour
TXT
  • v=spf1 mx -all
TTL 1 hour
SOA
  • Primary server
    get.desec.io
    Contact
    get@desec.io
    Serial
    2026095765
    Refresh
    1 day
    Retry
    1 hour
    Expire
    28 days
    Negative TTL
    1 hour
TTL 5 min
CAA
TTL 1 hour

www.a4a.de

A
TTL 1 hour
AAAA
TTL 1 hour

_dmarc.a4a.de

TXT
  • v=spf1 a mx include:a4a.de -all
TTL 1 hour

As ns2.desec.org answers them

Reputation

Domain blocklists

  • Spamhaus DBL Not listed
  • SURBL Not listed
  • URIBL Not listed

Rankings

1.50Open PageRank, out of 10
4,641,123Open PageRank position
5Referring domains

From Open PageRank

WHOIS

Domain: a4a.de
Status: connect

DNSSEC

Every link from the root to a4a.de verifies.

. Verified

  • Found 3 DNSKEY records for .
  • DS=20326/SHA-256 verifies DNSKEY=20326/SEP
  • DS=38696/SHA-256 verifies DNSKEY=38696/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset

de Verified

  • Found 1 DS records for de in the . zone
  • DS=26755/SHA-256 has algorithm RSASHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 2 DNSKEY records for de
  • DS=26755/SHA-256 verifies DNSKEY=26755/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=26755 and DNSKEY=26755/SEP verifies the DNSKEY RRset

a4a.de Verified

  • Found 1 DS records for a4a.de in the de zone
  • DS=62703/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=32911 and DNSKEY=32911 verifies the DS RRset
  • Found 1 DNSKEY records for a4a.de
  • DS=62703/SHA-256 verifies DNSKEY=62703/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=62703 and DNSKEY=62703/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=62703 and DNSKEY=62703/SEP verifies the SOA RRset