Contacts

  • Registrar

    CSL Computer Service Langenbach GmbH d/b/a joker.com 113

  • Abuse

    abuse@joker.com

    +49.21186767447

Website

Answer
200 OKin 63 ms
Ends at
https://www.masterdc.com/
Redirects
  • http://masterinter.net/ (301)
  • https://www.master.cz/en/ (301)
Title
MasterDC – Specialists in Company IT Infrastructure
Protocols
HTTP/2
Certificate
Asseco Data Systems S.A. (Certum DV TLS G2 R39 CA) for *.master.cz and master.cz, valid until Issued for another name
www
The secure connection failed

DNS records

masterinter.net

A
TTL 5 min
AAAA
TTL 5 min
MX
TTL 5 min
NS
TTL 1 day
TXT
  • 4babeac107358c0da429580c19cce874d2c1195952b1a3762dd3ed2531ef7a0
  • 830087f85431a030eaea7aafb698de5494bf52db15b5a6b3339b9fcb04118ff8
  • c5dadd9ec783312c3834f31f77885dcdcda1f1dc68fd0a9a3c47c80c8e06e32
  • f1fba47629f5d19b4b1a6ebcc22a3cc9
  • v=spf1 mx a:d24.westmaster.com a:d78.westmaster.com a:icinga2.masterinter.net a:icinga2-master1.masterinter.net a:icinga2-master2.masterinter.net a:cis.masterdc.com a:cloud-2040.masterinter.net a:mail.masterinter.net ~all
TTL 5 min
SOA
  • Primary server
    ns1.master.cz
    Contact
    noc@master.cz
    Serial
    2026150856
    Refresh
    15 min
    Retry
    15 min
    Expire
    30 min
    Negative TTL
    5 min
TTL 5 min
CAA
None: any certificate authority may issue for this name

www.masterinter.net

A
TTL 5 min
AAAA
TTL 5 min

_dmarc.masterinter.net

TXT
  • v=DMARC1; p=quarantine; rua=mailto:postmaster@master.cz; ruf=mailto:postmaster@master.cz; fo=1
TTL 5 min

As ns3.master.cz answers them

Reputation

Domain blocklists

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

Rankings

2.22Open PageRank, out of 10
1,381,481Open PageRank position
18Referring domains

From Open PageRank

DNSSEC

Every link from the root to masterinter.net 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

net Verified

  • Found 1 DS records for net in the . zone
  • DS=37331/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 net
  • DS=37331/SHA-256 verifies DNSKEY=37331/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=37331 and DNSKEY=37331/SEP verifies the DNSKEY RRset

masterinter.net Verified

  • Found 1 DS records for masterinter.net in the net zone
  • DS=37917/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=3840 and DNSKEY=3840 verifies the DS RRset
  • Found 1 DNSKEY records for masterinter.net
  • DS=37917/SHA-256 verifies DNSKEY=37917/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=37917 and DNSKEY=37917/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=37917 and DNSKEY=37917/SEP verifies the SOA RRset