DNS Report: semanticscholar.org

Generated: 2026-08-08T18:58:49-05:00

84/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
OKIPv6 (AAAA)10/108 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.
OKCAA policy5/5Certificate 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 certificate55/55180 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: server-3-170-51-46.cmh68.r.cloudfront.net
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
3.170.51.46
3.170.51.22
3.170.51.109
3.170.51.5
AAAA
2600:9000:288b:5200:6:4565:580:93a1
2600:9000:288b:d400:6:4565:580:93a1
2600:9000:288b:4a00:6:4565:580:93a1
2600:9000:288b:fc00:6:4565:580:93a1
2600:9000:288b:8200:6:4565:580:93a1
2600:9000:288b:200:6:4565:580:93a1
2600:9000:288b:7c00:6:4565:580:93a1
2600:9000:288b:c600:6:4565:580:93a1
CNAME
MX
10 aspmx2.googlemail.com.
10 aspmx3.googlemail.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
TXT
"google-site-verification=XQD87lq7o-ceBjMa_bB7iZ-VbQAElBnOjnDXpRQOWf0"
"v=spf1 include:_spf.google.com a mx ip4:52.10.131.143 a mx ip4:52.11.211.149 ip4:35.160.27.221 ip4:54.149.223.60 include:5910970.spf08.hubspotemail.net include:mg-spf.greenhouse.io ~all"
NS
ns-1437.awsdns-51.org.
ns-290.awsdns-36.com.
ns-586.awsdns-09.net.
ns-1772.awsdns-29.co.uk.
SOA
ns-586.awsdns-09.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
0 issue "digicert.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "amazon.com"
0 issuewild "letsencrypt.org"
0 issuewild "digicert.com"
0 issue "letsencrypt.org"
0 issue "amazon.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP