Contacts

  • Holder

    Seinäjoen koulutuskuntayhtymä

    Kalevankatu 35
    Seinäjoki
    60100
    Finland

Website

Answer
200 OKin 690 ms
Title
Tuhansien osaajien tarina - Sedu
Server
nginx
Protocols
HTTP/2
Certificate
Let's Encrypt (YE1) for sedu.fi and www.sedu.fi, valid until
www
Redirects to https://sedu.fi/ (301)

DNS records

sedu.fi

A
TTL 1 hour
MX
TTL 1 hour
NS
TTL 1 hour
TXT
TTL 1 hour
SOA
  • Primary server
    ns.funet.fi
    Contact
    hostmaster@seamk.fi
    Serial
    2026102912
    Refresh
    3 hours
    Retry
    1 hour
    Expire
    14 days
    Negative TTL
    15 min
TTL 1 hour
CAA
None: any certificate authority may issue for this name

www.sedu.fi

CNAME
TTL 15 min
A
TTL 3 hours
AAAA
TTL 3 hours

_dmarc.sedu.fi

TXT
  • v=DMARC1; p=none;
TTL 15 min

As ns-secondary.funet.fi answers them

Reputation

Domain blocklists

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

Rankings

1,338,343 Tranco rank down from 1,306,480 on 2026-09-28
4.21Open PageRank, out of 10
941,667Open PageRank position
108Referring domains

From Tranco and Open PageRank

DNSSEC

sedu.fi is not signed.

. 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

fi Verified

  • Found 1 DS records for fi in the . zone
  • DS=18073/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 fi
  • DS=18073/SHA-256 verifies DNSKEY=18073/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=18073 and DNSKEY=18073/SEP verifies the DNSKEY RRset

sedu.fi Not signed

  • No DS records found for sedu.fi in the fi zone