DNS Report: howstuffworks.com

Generated: 2026-08-08T18:55:27-05:00

76/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/205 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55175 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: server-3-170-185-109.ord58.r.cloudfront.net
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 202
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
3.170.185.109
3.170.185.50
3.170.185.119
3.170.185.115
AAAA
CNAME
MX
10 alt4.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
TXT
"v=spf1 include:servers.mcsv.net ?all"
"MS=ms51740217"
"cursor-domain-verification-8x16vk=nSAF8Y95RSKRSB5oIBt9seThK"
"r3l0yk16b9wf7xsx9qy94ktd9zmj0tvz"
"atlassian-domain-verification=kpW93Gl0HucESn1XIuigK0EfPnA8gPRAkNY/HH6ej3NcfKLftxRcrx0fvla1iciX"
"google-site-verification=vVzzWl6hH3GlrYq6c7gH03Fle_YzB_VPK8J65ApD4Rw"
"google-site-verification=B4YiM1AMRmRxZokjTlp9fEsXeFgZ1dCK5FtD2gpb8ak"
"fastly-domain-delegation-r4QqUNzN2Z5GPFvD-568289-2023-01-30"
"v=spf1 include:_spf.google.com ~all"
"google-site-verification=KAUbQ2E7KXxBCMdp42KCmke3GHEejxhLW_WStVM6kfw"
"facebook-domain-verification=6fj5bqy5ypyad2lqfo7l56cnica6ka"
"citrix-verification-code=d409e05c-b335-425e-a215-204389a91206"
"google-site-verification=q4m_Qtyp6r5s8NwvpLjzlAuj-7Hox7pigEAoTiLkWHs"
"d3vc9g5lfoexwz.cloudfront.net"
"google-site-verification=2vj8liJykIp_twB7iqGJXSvu1gdjhj2WRtXlbv50hdE"
"docusign=f6ed7987-8396-476d-b76e-1251c0fa75ff"
"MS=ms74645168"
"fastly-domain-delegation-lnYFR7XAspYWCDr-#518056-2022-07-19"
"mongodb-site-verification=DZabVN0N2nIFzrDovMKp6dmih13qM1il"
"onetrust-domain-verification=6a0f32b404ce44ab9f846a571b40db1e"
"ahrefs-site-verification_e608251d484c28256d6e39259fb2d78c0971f422502addc2f3457561c55c3db7"
"onetrust-domain-verification=d381bc7429ba4303bc288952d3e2291b"
"zrtl4rb41l611631srp8b1c1klpphl31"
"fastly-domain-delegation-lHDS6yvr4CVHHKnr-#526123-2022-08-23"
NS
ns-230.awsdns-28.com.
ns-514.awsdns-00.net.
ns-1723.awsdns-23.co.uk.
ns-1026.awsdns-00.org.
SOA
ns-230.awsdns-28.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP