DNS report for tilburguniversity.edu

This report was generated 1 year 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 		2022072114
ns1.uvt.nl. 137.56.247.39
2001:610:1410:0:9b5d:fd1c:8983:3687 		2022072114
ns1.zurich.surf.net. 195.176.255.9
2001:620:0:9::1103 		2022072114
ns2.uvt.nl. 137.56.247.40
2001:610:1410:0:28b:f453:70ab:663b 		2022072114

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 		31ms
31ms
ns1.uvt.nl. 137.56.247.39
2001:610:1410:0:9b5d:fd1c:8983:3687 		35ms
35ms
ns1.zurich.surf.net. 195.176.255.9
2001:620:0:9::1103 		39ms
35ms
ns2.uvt.nl. 137.56.247.40
2001:610:1410:0:28b:f453:70ab:663b 		35ms
31ms

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: [email protected], CH
AS559 - SWITCH Peering requests: [email protected], 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 1h 0 iodef "mailto:[email protected]"
0 issue "digicert.com"
0 issue "sectigo.com"
DNSKEY tilburguniversity.edu 1h ZSK | RSA/SHA-256 | AwEAAaLG2KN3iRKHedgikVOGx/jS4ciOaY3HJ6UiIbP9iCDKmTu7sRVW J2HbidG16NiwLWs6SYletx3ZA+HTT/ZIWu+eP3gfNiXaYUnAjNAfG7Cj YN6yq0FshzwrWjeSdq9yuOBBFW2+24ibG/gIZit2/eW8BjWZ08Uaqy3Y PDQHxx9R

ZSK | RSA/SHA-256 | AwEAAeXm9L2769za7HBnlqMNLnqkq7ia3aF8VD3OLDLRc075NXxm1q0E KOxZKY/mo0kgZQOhjLEQBjoXYPCY6gT/+F0VgTjDKK8WjznZCYOGb0Wa hOHR54msOEg8tHTWWjFeKOYqztjah0JFSSwD9d0x+i9o7ibWoheF9DSQ 0ZjQhYob

KSK | RSA/SHA-256 | AwEAAbDKMTMhtrF0xWSaI8gn1KnMVbhID8ZyJOHPfkhbj9pNKBGXbWzm dWcCi9niWw3WKwt/M6TCvdasYszB/INbfVtSixzQGRCmsSIrmCRb6Poq m5g8iAtDbBxPagXe7kBErH5jhqmcv/MGRhboZxk67+kitWzPQ/7kKshA HXdQBeIMOVFnzZM2T6gFfPLkBOMkHN4nAdAzkN477QIqXoAJUWqjJkGr 1JzVYFlosF/WS1FNM5uV1uNK3F1rdJqfqrRA6k4qTcJnR6+YGYwiaUWl LwLPbwRCfgS0QZqkXHhe3jUeDgjGLlDqopdwjXiaq5xwaFOc0cCjkbwb LI2hl3hYr0M=
MX tilburguniversity.edu 1h 10 a.mx.prdtnnng.uvt.nl.
10 b.mx.prdtnnng.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. 2022072114 28800 14400 604800 300
TXT tilburguniversity.edu 1h "MS=ABA1064955C5079279EBF774B99FE87C7DA65533"
"MS=ms27658569"
"P.O.box 90153, 5000 LE Tilburg, The Netherlands"
"Tilburg University"
"Universiteit van Tilburg"
"Warandelaan 2, Tilburg, The Netherlands"
"adobe-idp-site-verification=38602e3af7e82c7ff770e302981e909acad047b974ecdd6642522e9bcefa2c99"
"facebook-domain-verification=gwemcn7if8zi0lhjaqpo46v7pmia6x"
"google-site-verification=8lyzKqEejexZ7xeBJObBG7PxyuiHLsXDVvw_mM2xMeA"
"google-site-verification=tyqvvnUfeN8Itf9vJCzacYdtUmZrOjq1TvHn8kymbF0"
"phone: +31-13-4669111"
"v=spf1 include:_spf.uvt.nl -all"
TXT _dmarc.tilburguniversity.edu 1h "v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]"
SRV _sip._tls.tilburguniversity.edu 1h 0 0 443 sip.tilburguniversity.edu.
SRV _sipfederationtls._tcp.tilburguniversity.edu 1h 0 0 5061 sip.tilburguniversity.edu.
CNAME autodiscover.tilburguniversity.edu 1h autodiscover.outlook.com.
A localhost.tilburguniversity.edu 1h 127.0.0.1
AAAA localhost.tilburguniversity.edu 1h ::1
A lyncdiscover.tilburguniversity.edu 1m 137.56.210.83
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 1h 83.96.240.229
AAAA www.tilburguniversity.edu 600s 2a02:348:5e6:1::e840

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 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.

  • 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.
  • DMARC records are set up restrictively.
  • 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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