DNS report for udenscollege.nl

This report was generated 3 weeks ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
100%
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Connectivity: 100%

The following nameservers are available and responding correctly for DNS queries for your domain udenscollege.nl.

Nameserver IP address(es) SOA serial
ns1.openprovider.nl. 52.57.114.204
2a05:d014:f80:6e00:bde7:af96:9434:75d5
2019111401
ns1.svou.nl. 37.235.114.195
2001:678:880:bbbb:53::1
2019111401
ns2.openprovider.be. 52.214.115.96
2a05:d018:61d:bd00:21bc:c938:d548:dab1
2019111401
ns2.svou.nl. 37.235.114.188
2001:678:880:dddd:53::1
2019111401
ns3.openprovider.eu. 52.56.134.244
2a05:d01c:433:e000:e62c:faa3:9834:41e7
2019111401

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.openprovider.nl. 52.57.114.204
2a05:d014:f80:6e00:bde7:af96:9434:75d5
13ms
13ms
ns1.svou.nl. 37.235.114.195
2001:678:880:bbbb:53::1
10ms
10ms
ns2.openprovider.be. 52.214.115.96
2a05:d018:61d:bd00:21bc:c938:d548:dab1
24ms
23ms
ns2.svou.nl. 37.235.114.188
2001:678:880:dddd:53::1
10ms
10ms
ns3.openprovider.eu. 52.56.134.244
2a05:d01c:433:e000:e62c:faa3:9834:41e7
15ms
14ms

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.openprovider.nl. (52.57.114.204) replied quickly (< 50ms).
  • Nameserver ns1.openprovider.nl. (2a05:d014:f80:6e00:bde7:af96:9434:75d5) replied in a reasonable time.
  • Nameserver ns1.svou.nl. (37.235.114.195) replied quickly (< 50ms).
  • Nameserver ns1.svou.nl. (2001:678:880:bbbb:53::1) replied in a reasonable time.
  • Nameserver ns2.openprovider.be. (52.214.115.96) replied quickly (< 50ms).
  • Nameserver ns2.openprovider.be. (2a05:d018:61d:bd00:21bc:c938:d548:dab1) replied in a reasonable time.
  • Nameserver ns2.svou.nl. (37.235.114.188) replied quickly (< 50ms).
  • Nameserver ns2.svou.nl. (2001:678:880:dddd:53::1) replied in a reasonable time.
  • Nameserver ns3.openprovider.eu. (52.56.134.244) replied quickly (< 50ms).
  • Nameserver ns3.openprovider.eu. (2a05:d01c:433:e000:e62c:faa3:9834:41e7) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns1.openprovider.nl. IPv4: US
IPv6: IE
AS16509 - AMAZON-02 - Amazon.com, Inc., US
AS16509 - AMAZON-02 - Amazon.com, Inc., US
ns1.svou.nl. IPv4: NL
IPv6: NL
AS35332 - DATAWEB DataWeb B.V. - The Netherlands, NL
AS35332 - DATAWEB DataWeb B.V. - The Netherlands, NL
ns2.openprovider.be. IPv4: US
IPv6: IE
AS16509 - AMAZON-02 - Amazon.com, Inc., US
AS16509 - AMAZON-02 - Amazon.com, Inc., US
ns2.svou.nl. IPv4: NL
IPv6: NL
AS35332 - DATAWEB DataWeb B.V. - The Netherlands, NL
AS35332 - DATAWEB DataWeb B.V. - The Netherlands, NL
ns3.openprovider.eu. IPv4: US
IPv6: IE
AS16509 - AMAZON-02 - Amazon.com, Inc., US
AS16509 - AMAZON-02 - Amazon.com, Inc., US

Good news, no warnings or errors were found.

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.

  • No CAA records found. Consider adding CAA records, as it adds increased security by limiting which Certificate Authorities can issue certificates for this domain. (more info)

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.
  • The nameservers are being operated from multiple domains (openprovider.nl, svou.nl, openprovider.be, openprovider.eu).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A udenscollege.nl 5m 37.235.114.210
AAAA udenscollege.nl 5m 2001:678:880:bbbb::210
DNSKEY udenscollege.nl 5m ZSK | ECDSA Curve P-256 with SHA-256 | qHM+lSv5ETUqRsAgaIFBhe5FgwrR/agSDWn/YbrSbYLUsfoKsGJikvpV OQ0lspo4vfApAXGVKU6c3gHgILEfrQ==

KSK | ECDSA Curve P-256 with SHA-256 | RiN4Ccb3US27qANloNicV1kQGzfn3DvcO0vibWsKo9T88yOuiVHK8GR0 Natd08YKoSJgcbqOIgsJzHdBzmt30w==
MX udenscollege.nl 24h 10 mx1.udenscollege.nl.
20 mx2.udenscollege.nl.
30 mx3.udenscollege.nl.
40 mx4.udenscollege.nl.
NS udenscollege.nl 1h ns1.openprovider.nl.
ns1.svou.nl.
ns2.openprovider.be.
ns2.svou.nl.
ns3.openprovider.eu.
SOA udenscollege.nl 5m ns1.svou.nl. hostmaster.udenscollege.nl. 2019111401 1800 600 2419200 300
TXT udenscollege.nl 5m "adobe-idp-site-verification=70809a032c04e4f27e932680919ad46655dda8a14ca483c9f40503e3b0312331"
"v=spf1 ip4:37.235.114.200 ip4:37.235.114.201 ip4:37.235.114.178 ip4:37.235.114.179 ip6:2001:678:880:bbbb:25::1 ip6:2001:678:880:bbbb:25::2 ip6:2001:678:880:dddd::178 ip6:2001:678:880:dddd::179 -all"
SRV _autodiscover._tcp.udenscollege.nl 24h 10 10 443 mail.udenscollege.nl.
TXT _dmarc.udenscollege.nl 24h "v=DMARC1\; p=reject\; rua=mailto:postmaster@udenscollege.nl\;"
SRV _sip._tls.udenscollege.nl 24h 0 0 443 sip.udenscollege.nl.
SRV _sipfederationtls._tcp.udenscollege.nl 24h 0 0 5061 sip.udenscollege.nl.
CNAME autodiscover.udenscollege.nl 24h mail.udenscollege.nl.
TXT default._domainkey.udenscollege.nl 24h "v=DKIM1\; g=*\; k=rsa\; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyC+I4XRKFfVZVEmd9HnI+h6xEbnxoRIIXwRy8s0seMgYp7gB9S2jetDS9ZSeeCA7O2XaiuIXGiqfCrk40lGnBXM9OWUxuhZZD53ibNphKDfl28fpGcFpp6N8ZHkxXFdUqgK6HGoJwoTpeW21d+q5HFI9j3LDyx2mU9ozY/SydcWdWat8sbydwYG8adie" "+m1veP6HU4DT1NXPf7CQ5VIX0xpag8x3kCFzQz1ZkggTPjoqWrCvv15d15qE4KdTEo1Hryt4YrgIps4sm5VJqtudLeWhAgEVf0oaI/BoOfd0DofxMW5g5EqRD/xLboa77681lQohAuU8+9EVt56SEwk+FwIDAQAB\;"
A localhost.udenscollege.nl 24h 127.0.0.1
CNAME lyncdiscover.udenscollege.nl 24h sfbext.udenscollege.nl.
A mail.udenscollege.nl 24h 37.235.114.214
AAAA mail.udenscollege.nl 24h 2001:678:880:bbbb::214
AAAA mail1.udenscollege.nl 5m 2001:678:880:2010::26
AAAA mail2.udenscollege.nl 5m 2001:678:880:2010::27
CNAME msoid.udenscollege.nl 1h clientconfig.microsoftonline-p.net.
A mx1.udenscollege.nl 5m 37.235.114.178
37.235.114.200
AAAA mx1.udenscollege.nl 5m 2001:678:880:bbbb:25::1
2001:678:880:dddd::178
A mx2.udenscollege.nl 5m 37.235.114.179
37.235.114.201
AAAA mx2.udenscollege.nl 5m 2001:678:880:bbbb:25::2
2001:678:880:dddd::179
A mx3.udenscollege.nl 5m 37.235.114.179
37.235.114.201
AAAA mx3.udenscollege.nl 5m 2001:678:880:bbbb:25::2
2001:678:880:dddd::179
A mx4.udenscollege.nl 5m 37.235.114.179
37.235.114.201
AAAA mx4.udenscollege.nl 5m 2001:678:880:bbbb:25::2
2001:678:880:dddd::179
CNAME office.udenscollege.nl 24h webcs1.udenscollege.nl.
A remote.udenscollege.nl 24h 37.235.114.220
AAAA remote.udenscollege.nl 24h 2001:678:880:bbbb::220
A sip.udenscollege.nl 24h 37.235.114.204
37.235.114.207
AAAA sip.udenscollege.nl 24h 2001:678:880:bbbb::204
2001:678:880:bbbb::207
CNAME www.udenscollege.nl 24h udenscollege.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.

  • Multiple MX records found.
  • MX records with different priorities found (main + fall-back mailservers).
  • The MX record for "udenscollege.nl" 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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