DNS Spy
Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain debian.org.
| Nameserver | IP address(es) | SOA serial |
|---|---|---|
| dns4.easydns.info. |
64.68.197.10
2620:49:4::10 |
2020111921 |
| nsp.dnsnode.net. |
194.58.198.32
2a01:3f1:3032::53 |
2020111921 |
| sec1.rcode0.net. |
192.174.68.100
2001:67c:1bc::100 |
2020111921 |
| sec2.rcode0.net. |
176.97.158.100
2001:67c:10b8::100 |
2020111921 |
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 |
|---|---|---|
| dns4.easydns.info. |
64.68.197.10
2620:49:4::10 |
23ms
27ms |
| nsp.dnsnode.net. |
194.58.198.32
2a01:3f1:3032::53 |
7ms
7ms |
| sec1.rcode0.net. |
192.174.68.100
2001:67c:1bc::100 |
7ms
7ms |
| sec2.rcode0.net. |
176.97.158.100
2001:67c:10b8::100 |
27ms
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 dns4.easydns.info. (64.68.197.10) replied quickly (< 50ms).
- Nameserver dns4.easydns.info. (2620:49:4::10) replied in a reasonable time.
- Nameserver nsp.dnsnode.net. (194.58.198.32) replied quickly (< 50ms).
- Nameserver nsp.dnsnode.net. (2a01:3f1:3032::53) replied in a reasonable time.
- Nameserver sec1.rcode0.net. (192.174.68.100) replied quickly (< 50ms).
- Nameserver sec1.rcode0.net. (2001:67c:1bc::100) replied in a reasonable time.
- Nameserver sec2.rcode0.net. (176.97.158.100) replied quickly (< 50ms).
- Nameserver sec2.rcode0.net. (2001:67c:10b8::100) replied in a reasonable time.
Resilience & Security: 100%
These are the locations and providers of your nameservers.
| Nameserver | Location | ISP |
|---|---|---|
| dns4.easydns.info. |
IPv4: CA
IPv6: CA |
AS16686 - EDNS, CA
AS16686 - EDNS, CA |
| nsp.dnsnode.net. |
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 |
| sec1.rcode0.net. |
IPv4: AT
IPv6: AT |
AS1921 - NICAT NIC.at head office Salzburg, AT
AS1921 - NICAT NIC.at head office Salzburg, AT |
| sec2.rcode0.net. |
IPv4: AT
IPv6: AT |
AS207021 - RCODEZERO-ANYCAST-SEC2, AT
AS207021 - RCODEZERO-ANYCAST-SEC2, AT |
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 (easydns.info, dnsnode.net, rcode0.net).
DNS records: 100%
Our scans detected the following publicly available DNS records.
| Record | TTL | Value | |
|---|---|---|---|
| A | debian.org | 5m |
128.31.0.62 130.89.148.77 149.20.4.15 |
| AAAA | debian.org | 5m |
2001:4f8:1:c::15 2001:67c:2564:a119::77 2603:400a:ffff:bb8::801f:3e |
| CAA | debian.org | 28800s |
0 iodef "mailto:[email protected]" 128 issue "amazon.com" 128 issue "letsencrypt.org" 128 issuewild ";" |
| DNSKEY | debian.org | 28800s |
ZSK | RSA/SHA-256 | AwEAAcyC6l67QBevICNGd2P40WeUwlBUkPLy4Vby44cpOANEdud6X27Q Qh+Il5clVOM4bzgh6eN5IL2wQC09HXDeM3vpXRT0KI0AeDYAer+LdplB GA6BYN87LjI4VOkruDY99IZcdGMBto+t4nliJIwqYhOdEahlB5swL2j5 YGZJLEiEOBNQ8xKXZR8/K4STL9P25t9V92JBoDkLIfNqumOv/3L03JyE ebp066k05GqiqRDFq6GpYJPL6kGwqNQpVY0EhQ== KSK | RSA/SHA-256 | AwEAAbjbvE/dVrYi8pkkyLRHfp6ZdPVYcgn5SmJ2uRRxMXWvNnslWcPQ ZRXJHcA5KZuT9d4Ob+OZhoGpC47ovrNJ+VWYFPuaKUJeV+49EmVCJVw1 VbAvnltTsyMliZokUM3KtQpX4GxaBfq+Z0X33YRtpn/a9NgBnfJQUfdg 7z0mH/0vZXUSsplUpTE6PUT58+s5ylgrDRfnodLITvC7mm3i/uATV+Sn n9bgUaed6Pt6mAgSwrZywowQYYKhYH9NeTTEvb6efr9FCVTd08mkTVha V/53B8fAgRX8BA2oEiKiTx+CdNgT+esQnFnpUAGpGNA0/e7RDr1g4RS3 PRz2QvCABiU= |
| MX | debian.org | 28800s |
0 mailly.debian.org. 0 muffat.debian.org. |
| NS | debian.org | 28800s |
dns4.easydns.info. nsp.dnsnode.net. sec1.rcode0.net. sec2.rcode0.net. |
| SOA | debian.org | 1h | denis.debian.org. hostmaster.debian.org. 2020111921 1800 600 1814400 600 |
| TXT | debian.org | 28800s | "google-site-verification=loe-ysjvPgopd0fB1ptQlg6Fy0OppGRCHTAKLZ8BdF4" |
| SRV | _xmpp-client._tcp.debian.org | 1h | 5 0 5222 vogler.debian.org. |
| SRV | _xmpp-server._tcp.debian.org | 1h | 5 0 5269 vogler.debian.org. |
| A | db.debian.org | 1h | 82.195.75.106 |
| AAAA | db.debian.org | 1h | 2001:41b8:202:deb:1a1a:0:52c3:4b6a |
| CNAME | dns.debian.org | 1h | denis.debian.org. |
| A | ftp.debian.org | 5m | 130.89.148.12 |
| AAAA | ftp.debian.org | 5m | 2001:67c:2564:a119::148:12 |
| CNAME | git.debian.org | 1h | cgi-grnet-01.debian.org. |
| CNAME | jenkins.debian.org | 1h | jerea.debian.org. |
| CNAME | ssh.debian.org | 1h | paradis2.debian.org. |
| CNAME | wiki.debian.org | 1h | wilder.debian.org. |
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 SPF records were found. SPF records limit which IPs are allowed to send mail from this domain. Even if this domain doesn't send e-mails, you should set up SPF to confirm it will never send e-mail, to prevent spoofing.
- 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.
- 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 "debian.org" 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.
- Found a root (apex) DNS record.
- Found an IPv6 root DNS record.
- The active nameservers match the NS records.
- The DNS records appear to be RFC compliant.
Have a look at other public DNS scans.