DNS Spy
Proud of your DNS score? Share it with the world!
Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain restena.lu.
| Nameserver | IP address(es) | SOA serial |
|---|---|---|
| ns1.restena.lu. |
158.64.1.23
2001:a18:1::23 |
1622977818 |
| ns2.restena.lu. |
145.100.190.186
2001:610:188:406:145:100:190:186 |
1622977818 |
| ns3.restena.lu. |
158.64.12.45
2001:a18:6:2::45 |
1622977818 |
| nse.restena.lu. |
194.58.196.32
2a01:3f1:832::53 |
1622977818 |
| nsp.restena.lu. |
194.58.198.32
2a01:3f1:3032::53 |
1622977818 |
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.restena.lu. |
158.64.1.23
2001:a18:1::23 |
43ms
35ms |
| ns2.restena.lu. |
145.100.190.186
2001:610:188:406:145:100:190:186 |
31ms
27ms |
| ns3.restena.lu. |
158.64.12.45
2001:a18:6:2::45 |
39ms
39ms |
| nse.restena.lu. |
194.58.196.32
2a01:3f1:832::53 |
35ms
31ms |
| nsp.restena.lu. |
194.58.198.32
2a01:3f1:3032::53 |
7ms
3ms |
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.restena.lu. (158.64.1.23) replied quickly (< 50ms).
- Nameserver ns1.restena.lu. (2001:a18:1::23) replied in a reasonable time.
- Nameserver ns2.restena.lu. (145.100.190.186) replied quickly (< 50ms).
- Nameserver ns2.restena.lu. (2001:610:188:406:145:100:190:186) replied in a reasonable time.
- Nameserver ns3.restena.lu. (158.64.12.45) replied quickly (< 50ms).
- Nameserver ns3.restena.lu. (2001:a18:6:2::45) replied in a reasonable time.
- Nameserver nse.restena.lu. (194.58.196.32) replied quickly (< 50ms).
- Nameserver nse.restena.lu. (2a01:3f1:832::53) replied in a reasonable time.
- Nameserver nsp.restena.lu. (194.58.198.32) replied quickly (< 50ms).
- Nameserver nsp.restena.lu. (2a01:3f1:3032::53) replied in a reasonable time.
Resilience & Security: 100%
These are the locations and providers of your nameservers.
| Nameserver | Location | ISP |
|---|---|---|
| ns1.restena.lu. |
IPv4: LU
IPv6: LU |
AS2602 - RESTENA Reseau Teleinformatique de l_Education Nationale, LU
AS2602 - RESTENA Reseau Teleinformatique de l_Education Nationale, LU |
| ns2.restena.lu. |
IPv4: NL
IPv6: NL |
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL
AS1103 - SURFNET-NL SURFnet, The Netherlands, NL |
| ns3.restena.lu. |
IPv4: LU
IPv6: LU |
AS2602 - RESTENA Reseau Teleinformatique de l_Education Nationale, LU
AS2602 - RESTENA Reseau Teleinformatique de l_Education Nationale, LU |
| nse.restena.lu. |
IPv4: SE
IPv6: SE |
AS8674 - NETNOD-IX Netnod Internet Exchange Sverige AB, SE
AS8674 - NETNOD-IX Netnod Internet Exchange Sverige AB, SE |
| nsp.restena.lu. |
IPv4: SE
IPv6: SE |
AS56908 - NETNOD-NDS $Id: aut-num_AS56908,v 1.1 2016/03/07 11:15:51 mem Exp $, SE
AS56908 - NETNOD-NDS $Id: aut-num_AS56908,v 1.1 2016/03/07 11:15:51 mem Exp $, SE |
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.
- You are using glue records, this will speed up the initial DNS requests.
DNS records: 100%
Our scans detected the following publicly available DNS records.
| Record | TTL | Value | |
|---|---|---|---|
| A | restena.lu | 1h | 158.64.1.83 |
| AAAA | restena.lu | 1h | 2001:a18:1::83 |
| CAA | restena.lu | 6h |
0 iodef "mailto:[email protected]" 0 issue "sectigo.com" 0 issuewild "sectigo.com" |
| DNSKEY | restena.lu | 1h |
ZSK | RSA/SHA-256 | AwEAAfBc/qCK2OdGbsnlVQFf/b3NT1dQuPsQ8t3g1J/IPLvhbCZ62r04 OQ2LAapopZMHTheikXS1oSUw1cSdUv/he1bjgZH+SD4EwXOKzM3XH+1+ pA5PxIeChqfS5Y2N5KDyfDT33d1yfximro1shrJXreq33swymJcfryWm kOAZaYVFpJAJKVTUEG0gHN04UYtsPc/H9DilZnp5xgGTZfY5AsxdcRVn 5hmCSLcagICDTG4IUa6rO2PDwsQwisLIajHTwCzCYwO6W4ekGAJjHaAV hWZ8ellXSwM+zLN7jXHKrihmMudTKb7Ur6yJ9EvUSH0MJMeb8vnb6Ni1 Qa7rRB7YE60= KSK | RSA/SHA-256 | AwEAAaL2nFMsvk91cWO2fbLKbe59NFYWvIo+NbUDVpQNzSfhyiDW3+Tk pflTRHyehtbbh+0NULz/uggs2Xh2u9D3LdBG+u41NkP9XX9otabTwnvu O8Y9oOnFZRSV/p+pxlx/lDuL8Y3f9lUbJfVrrsco9+00OZ/VeGJF3QJW tt//Y/sOM6BpIi2Wi4ugVW7zyZpqrNCMrkeXAXYEeqmNbXBHZCyo+YJ6 ihAGxhA1kUM1Q1CSwRTCTL3t5YhWs5XDk7OGRz8ZsAC127gmNJQ+xrKs vx1FCy5U95PHIDmIIVMVxFD544SRr3X9LZrZOgBPLkdi6kI1n0XB0w+n qm3tr57pDTM= |
| MX | restena.lu | 6h |
10 smtpgate1.restena.lu. 10 smtpgate2.restena.lu. |
| NS | restena.lu | 6h |
ns1.restena.lu. ns2.restena.lu. ns3.restena.lu. nse.restena.lu. nsp.restena.lu. |
| SOA | restena.lu | 12h | ns1.restena.lu. noc.restena.lu. 1622977818 14400 1800 604800 3600 |
| TXT | restena.lu | 1h | "v=spf1 mx ip4:158.64.1.62/32 ip6:2001:a18:1::62/128 ip4:158.64.1.60/32 ip6:2001:a18:1::60/128 ip4:158.64.1.70/32 ip6:2001:a18:1::70/128 ip4:158.64.1.34/32 ip6:2001:a18:1::34/128 ip4:158.64.1.84/32 ip6:2001:a18:1::84/128 -all" |
| SRV | _caldav._tcp.restena.lu | 6h | 0 0 8008 planning.restena.lu. |
| SRV | _sip._tcp.restena.lu | 6h | 1 0 5060 voip.restena.lu. |
| SRV | _xmpp-client._tcp.restena.lu | 6h | 0 0 5222 jabber.restena.lu. |
| SRV | _xmpp-server._tcp.restena.lu | 6h | 0 0 5269 jabber.restena.lu. |
| A | autodiscover.restena.lu | 1h | 158.64.1.83 |
| AAAA | autodiscover.restena.lu | 1h | 2001:a18:1::83 |
| CNAME | calendar.restena.lu | 6h | caldav-proxy.restena.lu. |
| CNAME | dev.restena.lu | 6h | ops.restena.lu. |
| A | enterpriseenrollment.restena.lu | 6h | 158.64.1.87 |
| AAAA | enterpriseenrollment.restena.lu | 6h | 2001:a18:1::87 |
| A | ftp.restena.lu | 6h | 158.64.1.7 |
| AAAA | ftp.restena.lu | 6h | 2001:a18:1::7 |
| A | git.restena.lu | 6h | 158.64.2.247 |
| AAAA | git.restena.lu | 6h | 2001:a18:1:6::247 |
| A | localhost.restena.lu | 6h | 127.0.0.1 |
| CNAME | mail.restena.lu | 360s | mail-proxy-vip.restena.lu. |
| A | mailgate.restena.lu | 6h | 158.64.1.46 |
| AAAA | mailgate.restena.lu | 6h | 2001:a18:1::46 |
| A | mailing.restena.lu | 6h | 158.64.1.48 |
| AAAA | mailing.restena.lu | 6h | 2001:a18:1::48 |
| A | monitor.restena.lu | 6h | 158.64.1.77 |
| AAAA | monitor.restena.lu | 6h | 2001:a18:1::77 |
| A | mysql.restena.lu | 6h | 158.64.1.69 |
| AAAA | new.restena.lu | 6h | 2001:a18:1::63 |
| CNAME | news.restena.lu | 6h | galadriel.restena.lu. |
| A | ns.restena.lu | 6h | 158.64.1.25 |
| AAAA | ns.restena.lu | 6h | 2001:a18:1::25 |
| A | ns1.restena.lu | 6h | 158.64.1.23 |
| AAAA | ns1.restena.lu | 6h | 2001:a18:1::23 |
| A | ns2.restena.lu | 6h | 145.100.190.186 |
| AAAA | ns2.restena.lu | 6h | 2001:610:188:406:145:100:190:186 |
| A | ns3.restena.lu | 6h | 158.64.12.45 |
| AAAA | ns3.restena.lu | 6h | 2001:a18:6:2::45 |
| A | nse.restena.lu | 6h | 194.58.196.32 |
| A | nsp.restena.lu | 6h | 194.58.198.32 |
| A | pop3.restena.lu | 6h | 158.64.1.31 |
| CNAME | sip.restena.lu | 6h | voip.restena.lu. |
| CNAME | smtp.restena.lu | 6h | legolas.restena.lu. |
| CNAME | svn.restena.lu | 6h | ops.restena.lu. |
| A | voip.restena.lu | 6h | 158.64.37.3 |
| A | webmail.restena.lu | 6h | 158.64.1.83 |
| AAAA | webmail.restena.lu | 6h | 2001:a18:1::83 |
| A | whois.restena.lu | 6h | 158.64.1.113 |
| AAAA | whois.restena.lu | 6h | 2001:a18:1::113 |
| A | www.restena.lu | 1h | 158.64.1.83 |
| AAAA | www.restena.lu | 1h | 2001:a18:1::83 |
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 DMARC records have been found. Consider configuring DMARC for improved e-mail authentication.
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 "restena.lu" 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.
- 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.
Proud of your DNS score? Share it with the world!
Have a look at other public DNS scans.