Contacts

  • Administrative and technical

    REDACTED FOR PRIVACY STU002945-SURFN

  • Holder

    REDACTED FOR PRIVACY STI023324-SURFN

  • Registrar

    SURF B.V. 0000

    Moreelsepark 48
    Utrecht
    3511EP

  • Abuse

    [email protected] ABUSE-SIDN

    cert@surfcert.nl

    +31.302305112

Website

Answer
200 OKin 532 ms
Ends at
https://www.astron.nl/
Redirects
  • https://astron.nl/ (301)
Title
ASTRON - Making discoveries in radio astronomy happen
Protocols
HTTP/2, HTTP/3
Certificate
Let's Encrypt (YE1) for astron.nl, valid until
www
Answers itself (200 OK)

DNS records

astron.nl

A
TTL 5 min
AAAA
TTL 5 min
MX
TTL 5 min
NS
TTL 5 min
TXT
  • DomainVerification=KYSSARPYEUQUS3VT4XZUZ38M3C5IS4Z93GOQDCDLLT3Q2VUCW86XTZA4IXSVPMQJ
  • MS=ms89177969
  • apple-domain-verification=TQKiG8rPl0kLKoyC
  • google-site-verification=OVXVoo7ts70_667CpiuvrduErxwZlav2x3mbXIXMl9o
  • have-i-been-pwned-verification=40a66e40dd2faedbc7271c230f65c913
  • miro-verification=cc9850732ef172fcb2d18a2ebf65c21019be34e8
  • v=spf1 include:c05aw084hi.powerspf.com ~all
TTL 5 min
SOA
  • Primary server
    dns1.astron.nl
    Contact
    [email protected]
    Serial
    2026102911
    Refresh
    1 hour
    Retry
    1 hour
    Expire
    7 days
    Negative TTL
    5 min
TTL 5 min
CAA
TTL 5 min

www.astron.nl

A
TTL 5 min
AAAA
TTL 5 min

_dmarc.astron.nl

CNAME
TTL 5 min
TXT
TTL 5 min

As 145.124.51.7 answers them

Reputation

Domain blocklists

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

Rankings

6.99Open PageRank, out of 10
110,749Open PageRank position
438Referring domains

From Open PageRank

DNSSEC

Every link from the root to astron.nl 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

nl Verified

  • Found 1 DS records for nl in the . zone
  • DS=17153/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 2 DNSKEY records for nl
  • DS=17153/SHA-256 verifies DNSKEY=17153/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=17153 and DNSKEY=17153/SEP verifies the DNSKEY RRset

astron.nl Verified

  • Found 1 DS records for astron.nl in the nl zone
  • DS=8201/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=60847 and DNSKEY=60847 verifies the DS RRset
  • Found 1 DNSKEY records for astron.nl
  • DS=8201/SHA-256 verifies DNSKEY=8201/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=8201 and DNSKEY=8201/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=8201 and DNSKEY=8201/SEP verifies the SOA RRset