DNS Report: tails.net

Generated: 2026-08-10T11:17:39-05:00

84/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
OKMTA-STS5/5Mail transport policy.
OKTLS-RPT5/5TLS reporting policy.
OKValid TLS certificate55/5577 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: lizard.tails.net
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
204.13.164.63
AAAA
CNAME
MX
10 mta.tails.net.
TXT
"v=spf1 a mx ip4:216.66.23.43 -all"
"google-site-verification=AcMH6Or6DvT9OHS19qYjcSIPTHv8jB1Z6lbOWpOAl7U"
NS
ns1.tails.net.
ns2.tails.net.
SOA
ns1.tails.net. sysadmins.tails.net. 2026012705 10800 3600 1209600 3600
CAA
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/3602348081"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1357651026"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1693187057"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1259382666"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/5189306"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/5194671"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/2939509766"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1554891957"
128 issue "letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/2984823086"
DS
46768 13 2 25FB8A8E636AAF16FC3DA872DD64597BA57B67DB430A4DB6B53A4150 EBB4EB0A
DNSKEY
257 3 13 GjgOqygBvTZqUlDJpytFzLRXKhwCwHFZ0t3GpsNzYffSBwmmaHkofPCN vT6dlWxWuKnWuCv1KGynfCZP/j8Wyw==
RRSIG
DNSKEY 13 2 3600 20260820000000 20260730000000 46768 tails.net. tUg25SRG1RhJ+TCTRl4Z0XWJOGuCQF16lNuGYgg1a6Zuq1HTfiOUJdrG 9hWBkwY1g0z9otaYMjnugO6FhDnz1Q==
NS 13 2 3600 20260820000000 20260730000000 46768 tails.net. NkZPSMXahu++LpwLtxVOC4k1mq38wt30NS0nAuiGKgSsUBVdmGYrdM5k sf7w7YwVs9RDTW6T+uy+oX2Vh4kDeg==
MX 13 2 3600 20260820000000 20260730000000 46768 tails.net. yvCiIs9uARgX1E0tja8c5J5getUrPNyib3nKDXyIqQWEMD4k/gxkosyM M+PEKS+FIHvENNRcZ5vRTGjlRWAbxw==
A 13 2 150 20260820000000 20260730000000 46768 tails.net. oyTbLGtG+ElOt3kickq93xDryOB/pM7B9WNAfiDlEgDHE3wqCwelYRdo M3vmUOEkImG9PHJgPoZTVKgdNjYyUg==
DS 13 2 86400 20260815033846 20260808022846 7272 net. ZglnRcQtvnYsoO+VeztsT4oHHHS+h6ppKwqzXnZV68BczPSakRXI9Mzs H0c5am1w2Z9RGvTCZ4yziQlooRLbvA==
NSEC
_dmarc.tails.net. A NS SOA MX TXT RRSIG NSEC DNSKEY CAA
NSEC3
SRV
NAPTR
TLSA
SSHFP