DNS report for tilburguniversity.edu

This report was generated 2 weeks ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
95%
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Connectivity: 100%

The following nameservers are available and responding correctly for DNS queries for your domain tilburguniversity.edu.

Nameserver IP address(es) SOA serial
ns1.surfnet.nl. 192.87.106.101
2001:610:1:800a:192:87:106:101
2020020510
ns1.uvt.nl. 137.56.247.39
2001:610:1410:0:9b5d:fd1c:8983:3687
2020020510
ns1.zurich.surf.net. 195.176.255.9
2001:620:0:9::1103
2020020510
ns2.uvt.nl. 137.56.247.40
2001:610:1410:0:28b:f453:70ab:663b
2020020510

Good news, no warnings or errors were found.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • All nameservers reply with the same SOA serial number.
  • The nameserver IPs are distributed across multiple subnets.
  • All nameservers are online.
  • Nameservers are available over IPv4.
  • Nameservers are available over IPv6.

Performance: 100%

We tested each nameserver and measured the following response times.

Nameserver IP address(es) Response time
ns1.surfnet.nl. 192.87.106.101
2001:610:1:800a:192:87:106:101
5ms
4ms
ns1.uvt.nl. 137.56.247.39
2001:610:1410:0:9b5d:fd1c:8983:3687
8ms
8ms
ns1.zurich.surf.net. 195.176.255.9
2001:620:0:9::1103
23ms
23ms
ns2.uvt.nl. 137.56.247.40
2001:610:1410:0:28b:f453:70ab:663b
9ms
8ms

Good news, no warnings or errors were found.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • Nameserver ns1.surfnet.nl. (192.87.106.101) replied quickly (< 50ms).
  • Nameserver ns1.surfnet.nl. (2001:610:1:800a:192:87:106:101) replied in a reasonable time.
  • Nameserver ns1.uvt.nl. (137.56.247.39) replied quickly (< 50ms).
  • Nameserver ns1.uvt.nl. (2001:610:1410:0:9b5d:fd1c:8983:3687) replied in a reasonable time.
  • Nameserver ns1.zurich.surf.net. (195.176.255.9) replied quickly (< 50ms).
  • Nameserver ns1.zurich.surf.net. (2001:620:0:9::1103) replied in a reasonable time.
  • Nameserver ns2.uvt.nl. (137.56.247.40) replied quickly (< 50ms).
  • Nameserver ns2.uvt.nl. (2001:610:1410:0:28b:f453:70ab:663b) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns1.surfnet.nl. IPv4: NL
IPv6: NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL
ns1.uvt.nl. IPv4: NL
IPv6: NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL
ns1.zurich.surf.net. IPv4: CH
IPv6: CH
AS559 - SWITCH Peering requests: (peering@switch.ch), CH
AS559 - SWITCH Peering requests: (peering@switch.ch), CH
ns2.uvt.nl. IPv4: NL
IPv6: NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL

Good news, no warnings or errors were found.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • You have more than 1 nameserver.
  • The IPv4 nameservers are distributed among multiple providers.
  • The IPv4 nameservers are distributed across multiple locations.
  • The IPv6 nameservers are distributed among multiple providers.
  • The IPv6 nameservers are distributed across multiple locations.
  • DNSSEC is enabled.
  • CAA records found.
  • The nameservers are being operated from multiple domains (surfnet.nl, uvt.nl, surf.net).

DNS records: 95%

Our scans detected the following publicly available DNS records.

Record TTL Value
A tilburguniversity.edu 1h 137.56.209.21
137.56.209.22
AAAA tilburguniversity.edu 1h 2001:610:1410:280:24ee:f0cd:6282:7639
2001:610:1410:280:24ee:f0cd:bb36:7745
CAA tilburguniversity.edu 5m 0 iodef "mailto:ssl@uvt.nl"
0 issue "digicert.com"
DNSKEY tilburguniversity.edu 1h ZSK | RSA/SHA-256 | AwEAAa1b8dSt+9AU2EvuAzzKPWaBKuYyKVkpd5RbJXftF9JMtZcM2JIv XoGZqX7SoLATEAs3O2Dl3LZCQBpItnwGNgO+l8bUqyCYjMrj/T+Qc58X B5ZAASuC1mE6uKtKMDhpnWg5fknCH2hHlGSXUBUIBHkCsYgk16mugNRi PZbJ/Jhh

KSK | RSA/SHA-256 | AwEAAbmAMAsKesThFq4sfj3lxLKJGONKr+t1vpAE9tsjcwlhHE9bP1Lm /RBpJB+Nm0IDfsdlF0z7dvmfx78JrxxSaP+CNUJXl410Q76QHY8W22hu 314AenLW2ky6y5Lxx1KejZnE3cR5SkeU0x0RWAveGJe3ZZf8DZoKqgUw S6OP+Rn49kB4BfhVRI6XUK47/VP4HMVRtOhShaPJYvPOJkuzSOP52cyg P1Ezl72i5umgaFRAwVlu7p2NHsiSxxA71YkT0Rg1LKGK9Pg/KUccvKxr q/UDL2xxKoA0Qv6EPF0RswO80j+2tikGeXUIexbIHlb7fBTzz/0DFe3e YS67Dba1/ps=

KSK | RSA/SHA-256 | AwEAAcPKJ1tAzLaNAG+EXxHbj8DmrrkgNQ3ekKtNs+cfGA704vp58mU5 k1X0HTMpXChGuf7nfvHIpBPSJAM91nmo/+Vabruf0J7ypwdLBKsi4ZKi w+a7z7xz52u89H1gcSjfhkk+cpXky6YS7GnEjD6/2eIPKyOir6ijquPN 1FC9ZdA1R3pp22XkGuSJtAOE5O4eJajw4BGDmXlHqVR+6sRZ1dM4z7Q3 ajvcl0P3rNnYv2DYLA+0i9ItgSwsZ9cU+wtzeVMfesqzCsqLAjY5DF6M wHGD6yoAPzfApgBI58KWpUUcPq+Du81mcQY7Ew9t/R2Zm7r8Uo2qo/r/ s4nxZnHlwAE=
MX tilburguniversity.edu 1h 10 a.mx.uvt.nl.
10 b.mx.uvt.nl.
NS tilburguniversity.edu 1h ns1.surfnet.nl.
ns1.uvt.nl.
ns1.zurich.surf.net.
ns2.uvt.nl.
SOA tilburguniversity.edu 1h ns1.uvt.nl. hostmaster.uvt.nl. 2020020510 28800 14400 604800 300
TXT tilburguniversity.edu 1h "P.O.box 90153, 5000 LE Tilburg, The Netherlands"
"Tilburg University"
"Universiteit van Tilburg"
"Warandelaan 2, Tilburg, The Netherlands"
"google-site-verification=8lyzKqEejexZ7xeBJObBG7PxyuiHLsXDVvw_mM2xMeA"
"phone: +31-13-4669111"
"v=spf1 include:_spf.uvt.nl ?all"
TXT _dmarc.tilburguniversity.edu 1h "v=DMARC1\; p=none\; pct=100\; adkim=r\; aspf=r\; rua=mailto:dmarc+reportonly@uvt.nl"
SRV _sip._tls.tilburguniversity.edu 1h 0 0 443 sip.tilburguniversity.edu.
SRV _sipfederationtls._tcp.tilburguniversity.edu 1h 0 0 5061 sip.tilburguniversity.edu.
A autodiscover.tilburguniversity.edu 120s 137.56.210.24
A localhost.tilburguniversity.edu 1h 127.0.0.1
AAAA localhost.tilburguniversity.edu 1h ::1
A lyncdiscover.tilburguniversity.edu 1m 137.56.210.60
A sip.tilburguniversity.edu 1m 137.56.209.177
137.56.209.178
CNAME wiki.tilburguniversity.edu 1h redirect.uvt.nl.
A www.tilburguniversity.edu 1m 137.56.208.61
AAAA www.tilburguniversity.edu 1m 2001:610:1410:201:11ae:7120:bc35:4afb

We detected the following errors or warnings about your DNS configuration. These caused your DNS rating to be lowered. Resolving these will grant a higher DNS Spy rating for your domain.

  • SOA record has a high retry value (14400), recommended around 1h.

We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.

  • You have DMARC records configured, but the "p=none" policy only triggers reports to your e-mail address, the receiver is instructed to not take actions.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • The root DNS records points to multiple IPs using Round Robin.
  • Multiple MX records found.
  • MX records with different priorities found (main + fall-back mailservers).
  • The MX record for "tilburguniversity.edu" has a long TTL (1h+).
  • The MX records points to multiple mailservers.
  • The NS records have a long TTL (1h+).
  • Your SOA serial number follows the best practice YYYYMMDDxx format.
  • SPF records have been found.
  • SPF records are set up restrictively.
  • DMARC records have been found.
  • Found a root (apex) DNS record.
  • Found a www DNS record.
  • Found an IPv6 root DNS record.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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