DNS report for tum.de

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 tum.de.

Nameserver IP address(es) SOA serial
dns1.lrz.de. 129.187.19.183
2001:4ca0:0:100:0:53:1:1
2019111918
dns2.lrz.bayern. 141.40.9.211
2001:4ca0:0:100:0:53:1:2
2019111918
dns3.lrz.eu. 193.137.199.104
2001:690:a00:3038::104
2019111918

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
dns1.lrz.de. 129.187.19.183
2001:4ca0:0:100:0:53:1:1
16ms
28ms
dns2.lrz.bayern. 141.40.9.211
2001:4ca0:0:100:0:53:1:2
17ms
28ms
dns3.lrz.eu. 193.137.199.104
2001:690:a00:3038::104
50ms
51ms

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.

  • Nameserver dns3.lrz.eu. (193.137.199.104) replied reasonably fast (< 150ms), but you should aim for < 50ms response times.

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

  • Nameserver dns1.lrz.de. (129.187.19.183) replied quickly (< 50ms).
  • Nameserver dns1.lrz.de. (2001:4ca0:0:100:0:53:1:1) replied in a reasonable time.
  • Nameserver dns2.lrz.bayern. (141.40.9.211) replied quickly (< 50ms).
  • Nameserver dns2.lrz.bayern. (2001:4ca0:0:100:0:53:1:2) replied in a reasonable time.
  • Nameserver dns3.lrz.eu. (2001:690:a00:3038::104) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
dns1.lrz.de. IPv4: DE
IPv6: DE
AS12816 - MWN-AS, DE
AS12816 - MWN-AS, DE
dns2.lrz.bayern. IPv4: DE
IPv6: DE
AS12816 - MWN-AS, DE
AS12816 - MWN-AS, DE
dns3.lrz.eu. IPv4: PT
IPv6: PT
AS1930 - RCCN Fundacao para a Ciencia e a Tecnologia, I.P., PT
AS1930 - RCCN Fundacao para a Ciencia e a Tecnologia, I.P., PT

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 (lrz.de, lrz.bayern, lrz.eu).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A tum.de 24h 129.187.255.151
AAAA tum.de 24h 2001:4ca0:0:103::81bb:ff97
DNSKEY tum.de 24h ZSK | RSA/SHA-256 | AwEAAd2XvWHzy7e7yyAvC2dtfBwMpTdZCCFyBEupyP0zrC4KVVrV+z5o u/ZFTLT9YP22MV/7hx5UYK5wCZbTrleEvlCIaDBxt18x+okFDUxIG939 lK6JPRYFeLTerpQxOZnLgQ6AjdWGAmWgyWMZWXqRJClWSSQR5ZoFm0vA ahBeqUu0Gn6Kwa1c5EF49r8k3LuY4PpULCs+5B1PkZAz3ZrqOXwwiiCS D8M0vtYLE87eNtcGQrIYXG9ZXTi0pfXZxCdfZXOC5W1Okhv4ZZtRxipO EBy+zZFwCwrlVWqCpzadPOPh19LkHl7WkA4HEaBIcjdaJacq2H8KSwXu dWoH+veS4uU=

KSK | RSA/SHA-256 | AwEAAcCEAvlRmcsHQJDDjdgAozJA5OHlJiWaTBmvGIKr/QdRGUzhh5Y8 I0/5YlnnXzR8fGzdHOYS7hxvCMUc6OUrDRO8GkhlcRf2bkoUqEZm5V0i mlJnnleI1pyb88t5EgTBGDpVdpAv93D/BtM+OhI0mZQflQSzjoiLFO5i dzdlp1/OevhWLchFOpZyt4enD0Xsu0l+tbCg6qfmIwlW2pvsivE4b4Fu bllcJTBiL6JCpJFAuLPpVF2W8kJ36j1UFJKVbx+3xrYxhui681y6z7Jn +UF/am9mKCYW05N8SKd87/KyIKLundPkxiISmAHrap29BSF7zeSRGtId XRs2TydJCOk=
MX tum.de 24h 100 postrelay1.lrz.de.
100 postrelay2.lrz.de.
NS tum.de 24h dns1.lrz.de.
dns2.lrz.bayern.
dns3.lrz.eu.
SOA tum.de 24h dns1.lrz.de. hostmaster.lrz.de. 2019111918 21600 1800 3600000 86400
TXT tum.de 24h "v=spf1 a:mail.zv.tum.de redirect=_spf.mail.lrz.de"
SRV _autodiscover._tcp.tum.de 24h 0 0 443 xmail.mwn.de.
TXT _dmarc.tum.de 1h "v=DMARC1\; p=none\; rua=mailto:dmarc-reports@lrz.de"
SRV _jabber._tcp.tum.de 24h 0 0 5269 xmpp.tum.de.
SRV _vlmcs._tcp.tum.de 24h 0 100 1688 kms.informatik.tu-muenchen.de.
SRV _xmpp-client._tcp.tum.de 24h 0 0 5222 xmpp.tum.de.
SRV _xmpp-server._tcp.tum.de 24h 0 0 5269 xmpp.tum.de.
CNAME app.tum.de 24h tuinf01-tcabe.srv.mwn.de.
CNAME chat.tum.de 24h rocket-tum.srv.lrz.de.
CNAME mail.tum.de 24h xmail.mwn.de.
A shop.tum.de 24h 178.250.9.119
CNAME wiki.tum.de 24h badwlrz-swtuc01.ads.mwn.de.
CNAME www.tum.de 24h wwwv11.tum.de.
A wwwv11.tum.de 24h 129.187.255.151
A xmpp.tum.de 24h 131.159.0.46

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.

  • 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.

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