DNS Report: fsf.org

Generated: 2026-08-08T21:56:42-05:00

81/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/203 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5561 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 174.0-24.188.51.209.in-addr.arpa
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.0 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
209.51.188.174
AAAA
2001:470:142:4::a
CNAME
MX
10 mail.fsf.org.
TXT
"libera-asq123s"
"v=spf1 redirect=gnu.org"
NS
ns1.gnu.org.
ns2.gnu.org.
ns4.gnu.org.
SOA
ns1.gnu.org. hostmaster.gnu.org. 2941144492 3600 300 3600000 3600
CAA
0 issue "letsencrypt.org"
0 issuewild "letsencrypt.org"
DS
DNSKEY
256 3 7 AwEAAaKmaup94I5tpOKEpIwA3kdvIqZEJyv8tnDLw5zbwOLoupjbaAMF pnDvzvF+v0UBoI3yBYac7tdcC1TDnHoAwWpQmEm7bfYeq4PIGhM09cXE TgXi7AMq4lgQUjZiyq985oYkLG6IdNN8NQEMW0IcLKeSRvaiOGW3Tl33 Bn+h4iirIcEFpHpb0Pbf7GJ5rYKKOr/TAzx70BSIY5YZ3taz9LqUl404 RH9n6XA29soLWM36aSkrf0Ua7SSUCR+i1ekfpNe9/1GMLd1nt03ycC9Y 3N1gKawa5LPofZDb/3SuWUWIgPJnjRaWasyaGZC6xJEv0qy0Xl9witrT Vf6yf2/txsE=
257 3 7 AwEAAbELjf5AXWfGyijCwcr7igTE6xfJYXR2x5UCYp7is7rU6ANPWCGB 9LROAPt8gH5Ufx2sGdYx6SYjQozssM/az/zSO3uDj/8zGVeLwaHuJdF8 VcgFMxcUnS9IVacmPa2sX+RwGMgJKwOYCDVh+3AOFrKOXz6dZVRTkIMs nhC5vRHVDnUYbdFMwKlN5bqi1TY8lw9399fyebNKZu9oeOUseJWO/vS9 GTahzjcWbkBONpN2ioK5VuWIvLs/3d7PVB/wY3HjlDupG6AfbWCHPYh3 eL06Mqb4RC0yzFYC18WlRcidgbwIveMNzGDcHd11gNdeZRJbuDFmEvTg 9rfS7o0+Q0kDJDVHb1JEmbRe/8wsiX7WwCnWYok97CFdPXV/VnQWsJ+y YpLa8JSvYyuws1oEi6LnQX2vQ6rgznIWx/p2DKRbsY2hJa08vPL9jUIg /oXAUX4ANBb+ug4/4WqDdxQPoTDDiGFEB4U4/7iwA3iavwLzU/7G6fGl g0A1vqwg5lzVtFDHe7FO5JIxEB0K1HaLV/oikvWZ0L/ph+uD9J2tO1Xv bZNfokKsdCBWswKuKjGoMbLrPOsWeUdIttDNdMHm1VW4qgOAqqoL3im2 Xrfebj/7/E4O9GJHflvyyF/li+Yks/HKIDxDFyPpQYypubvqnNXKgFbn GvcoIMQUqACg+zKR
RRSIG
DNSKEY 7 2 180 20270731165314 20260731165314 6719 fsf.org. YhMjPMP9C3C9wDsNNBmn0uhzDWd73M9rk31FVgypC34W4+AvHE8jwWSF VK7Kds+Xb59Yp9jPWXg4pddYFVbZ9MGWqaQoS/LR2ThMIGaPxlOpewRw ClNpWdJNCdV4kyL2oaSCZlGyIo0Kz6ZCJW3DQSQin+ay90tfLxmpfsfa Y6sHd4nBKiuCsT4lKwxbMmSOQ1nyH93Ihwk2zGAxeet1wFUX8ekmXBaO doIpCR5KWpThFsghSeAmv+75vZOGbA26EQJ9HTv0eCVt5oIxjvAuOEJ5 WSN6ONeFmsCK1IcLuvprSpjs/qDeHwcK1PVlHotE6QjZA3bwP1i7J0fn hmp2WA==
DNSKEY 7 2 180 20270731165314 20260731165314 57078 fsf.org. CV2uEbWSHYgPDd6VNYIQJ+eCZ5FEJyQLhqLRgSOyyNSsiuu3dW8/BEn1 MhI2wjWH6mdIvmdtSD+tc1WQoNjbjBCFBAPZJ8yuU75QUpfzGxnAYiw4 ClkJiqEnxSbJJIn/Z1RhedEjalY8/4XBI/oWulI686Yz9gdP/xTxuhkA DJKe3QTejG/EMoJOK7O/H6q1GGcQG8zOTRPQ7SSeAchlgUvp/x9/Qhul 1dxYk9jguR9M+EXODgnEyaW0E3Ux26chWxBm1IL+OeFcMICIIdkn8qi3 n03GFDcfp0JAmmn/QlHeVvd/lagces2NG+xbYPCtwTBse3s4Yjxs6gUx 8CbwVV1DbG/W1AfLgIKJV/LTBc+mWtOidVdAM1pYUjN0GE+sdeFt8n9z UVkQ4x2PpodW9fsmtnWBnwgVUrBT0SqC/3b3p0ihtbNgxkfh/d2uGn26 xwTTHRcIVDeHnPNAh34SuhaShEE3dawygQrBi4VsaASFfC/nj0iIQkt2 wZ+I5J+wxUEJBkHI8YUmkc9lVbrdfSpbxdoLFJgD64k+lnU1ytDmaid0 wj89punp32ystIVJna8+c6drBc/ImWNuCZ5spMyLe6eeB1wmvR4fScZt 08KzFPk0WLjEyTUVL+AD9UYAq2eFJXheRNRou13UEm91Ull0+BwXZRlb tAkuFGUaKnY=
NSEC 7 2 180 20270731165314 20260731165314 6719 fsf.org. N5qyIEzHpkO9qek3C+hM292ISXk60JN7/LYPF+/fnjmvVviPVowiqpXn eG5fs5G2w/Oqk0Vk+sw09yT7pFo4kk5+xuE4SuPh7KIsxiWSc9LpLiEs SdN2CN78pmd4efNiFVygE+BFlTIWmfoxZvCiN1H7FuxEGsY3ooegkpLX 0nKUZOL79HG2guWLLiDtxt/aPNoNryAto5wT/F7UwMxEa3mNZJB440OC 2QBHMyu5ZMNsDPG97nF5BiztiHhF6MzLm1NfuT6btX+YAgb5Fpl5L9IJ eAvQCN27hwJ0aQYPdwbE7SYf9/AHfEepxCo1mdezMOtzRQPS7FtWAAVu X+JINQ==
MX 7 2 180 20270731165314 20260731165314 6719 fsf.org. YUxav/IkZcVGIBo+M6y51jfRyXOa2I3snPSUvftJjwZm+K8/2oz1gmuY gIlPSFj+ChFRWpg5w9fhZBzTzsiSygg8tSV9N0L+p5zPCPHe9VjW33oJ UgVeuRark2vAzbqe7mgZPl1yiqXzrhcKXEqBGlC9Zm7yoHUau9lW4gu1 rsAsfKMXeaKtPrSrq+4A35gHWFlMe3o/u9Bgi1JLlPHdkoIQ9RPlba3H gNATgULRBHsMrAKezdBX7y7NzNyXnogEAw+wqBiC8jSYpbEu79gYPh2i KksMdDDLFFHpBcUNVKv1mEw7Z7MvuOWIrNq9XOpuxAQvjUC/bXDit2pL Be559w==
A 7 2 180 20270731165314 20260731165314 6719 fsf.org. WOgWYvZ46i7YT04RRqNqoBYcuBbLJoJgvb8e3udfv/l5puyYLhG2PTji +qfFpZeUUbDwcT8EqFyO4Zr0JT7KdK05SFXRZH3NOYI6lEvxyNjBFL1j 9tSbMLHVAb+JTiKmA26LpfUDcBMz3Xkt5rg/u/qbj7yAGKP6g+5+/Fkz qWcgBo8zpU3rsd6PSHZjXLXoZIvFeAG6iJCMDKMdqMZqcUqCI0WJm95C Jaxi7YUJ1jSkptdlSdeo1NG3SO3rxphkw+qv+ijmch6xLO5Rh9xXPEuL BO10GpGdz6Ybt9Ik52GLAP7o0TDP+1z5MgpAZ6tr242saQayUmy/2pqT DxM79g==
NS 7 2 180 20270731165314 20260731165314 6719 fsf.org. KIfGUvLifUErmcNTtjLIEvHwfi/KRKcIuahAb76bBHCYArQS0W/tpPQu C+LCsMV49cjoYHfpc68Cd94+7ulwJd/rhW2zNCaXnjQYy7HXByE84z7L XmYyQXRQekMizEKt3kgIDpHFbZzIl8aVQbAQEtlZHcwr27bce9hMfrq9 kswLBQ4tXtLMO9U0N0sE73BDu0Wh60Q4Vo+OP+KIsav6SZei8QMyV2XO hjMtHiQOtGeFF3+1daWJlgaKxAHKEaP5qFsk4uBkZb66ClTlagmAh6AF JRVCqr4oO9+s5wUraJK2tZMqcxo4DP+dfKjG78vB/wAMVE21B5vL7YvK yV4YCg==
SOA 7 2 180 20270731165314 20260731165314 6719 fsf.org. BANo7wDfuO/dKOcsYuL+hXJ95ArtOGYqEyF8iWXo4SLaxv5ebylRvYiQ 5FCvI3PKas9zQdi+GZe+dKnOcXvRQKi9KF57f1K2YQmxcsvQwLHZMzWt cDX7OZfSZ0GUqXRN2NF3Wc0zABqxBoqIVD3ExZ3u7eyZ+cY23rfTKnrl KStOZXxN/vE+HVHeMeSh8PSm5nclEACMmCywhDn9r5HBJqw/16u1FL0g bUKT02XNWqd+SmQ+zx/47gZa0Pa6FHCs7bKp+qqIswVt9bOG6mIV/Leh SHEosJHvcyFeyuYYCKo0JvUIGIMN1Itb6z3LvSjNvhmXi+K4GMEkhwPq AgJPzw==
TXT 7 2 180 20270731165314 20260731165314 6719 fsf.org. WyQgm+ibjx+owt4sBRjt5khyq6VOsMpX1zABE8oQR7HSF0nFwMc+JOJ5 G6btJyzvH2NttHaxqJ3pxZoUc44DhP3QxBVc9GpLizYVSrNodQdUIPBS b/ElVbarQbJqlavFJ1PuR1XqDlaz/sUgd/2l8OIk9LahS3BAsUMNZH4Z mC5jPEnUvROo84Jx0jS8fqRB+80Zp2grK9dfpy8YsPPxyik6/Sw7W0Ko USF4lMSLZUUso24mPi6LUbqInXMpI1WUimcAq0Hs+SaO2IZf9gShuClK fg9fquazlgBNrw25DB718WOK10GuGbt9ikNmHh1v2UdZ//3hIN9ILZBj gxvp/w==
AAAA 7 2 180 20270731165314 20260731165314 6719 fsf.org. L6rzMwDZgFAENIL8JzHiFVmOVPfubfzZ7yMUQKrheTVIGm85C6KT0mm4 ytIqsJFImkEOnSOS/RitKyF7bzVua+15eewiz8AKNvniaG4PX+pOh2MR y9Z86wfIt1frhV5gNHCnGFOTMgkjO1AcCL7IZbOwayimDH9BfSQXa+pw o72WEc9QGu8LvFq/ebtuHKmwLzfRBUh5beS6lGOVsATfH7ZN1qvdQ7Em S5q88sdD+Z8SByRkViVOTVYqWoyTBJ5oXM/uvZBRyjOvUZAwCyrz+pge z9to7kyrHNRnwFFHs1PQlbRCfWLL+FrzcaQMrEk9cSRNS7cmWVq9ZUGt gAHLsQ==
CAA 7 2 180 20270731165314 20260731165314 6719 fsf.org. bMOc3Rsvy2clg+c2DleepjrohAViqeUPTF/cOATDpYVPxFRNWilyFPks MvOZ6koAbFFJrD6U95wVEydmEk9bnlJVOVRI4RjEk/OiQzYTUG/iBobS TbJOkQAdf0AkW+gZfILYm8J/431eSLJD4lVX/765wD0dVcsZcUTucnKP CipY5lfz+IxCNcvFhDMSxowkMW6v2xUczlrdfgdfXPRwraLsu3+OEz99 wr4n8SMi6nBBRqG0GRL8HyHdajrFtjCpVOx/W3uXbulTwrxgSJFOTnk5 xyMrtWFw/eU5q5a8hSvQj9HzwzU4QaT+C23tRkLCg5EJO+rG4+43xjVM aizuSg==
SSHFP 7 2 180 20270731165314 20260731165314 6719 fsf.org. mslSkoJpDOAAZ/aoNNNW+WUAucnv8Rw33tOWUUzTnceHrJWXBH/UXFgl ZPtrqqrx7P0t5GgzgUPFWit8CKgxqOAbYwGyLS5fZVJEZW25pk5ZNBLq D79i1NykvOWwtrr1PcTvznGfbFugjM3lxAE5Gr2AbYXSvw7gQD0CGFq1 2yM6DN3I4dYR9G4TSwVS141fd5wpRXiuiV8f+xm4yJRSQNoimR6f+8n7 S6XLdXNAWXPDGbT9H+a2EnqO/6WcQMX/Joef63l1SSK2sbpF0OB3ZJJd 2iGCdo+zrEbq/B0cxFmz2EVtqBR6Uxt/Tlq99tUs2lixnV8UXLdDHkE8 m12i6Q==
NSEC
20121109-crm.fsf.org. A NS SOA MX TXT AAAA SSHFP RRSIG NSEC DNSKEY CAA
NSEC3
SRV
NAPTR
TLSA
SSHFP
1 1 DC991327D1B7B418F14CE737B934AA56C389E688