DNS Report: dcu.ie

Generated: 2026-08-09T17:41:17-05:00

81/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 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.
OKDNS propagation10/10Agreement 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 certificate55/55181 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: ec2-99-80-221-0.eu-west-1.compute.amazonaws.com
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/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
99.80.221.0
AAAA
CNAME
MX
10 alt4.aspmx.l.google.com.
1 aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
TXT
"access-domain-verification=d9d6dc874ff8027d490740b734b7b68f9ea85e8a3700c9cca4e190ff85331839" "" ""
"google-site-verification=EXPEu9FZQWgvmISt7Pvk2jsSgpSoTrTB3QvQZl8SvV0"
"amazonses:cwCK0+yQMUTHgS9M+5pTcODNRKB3mA+uJy/MT2PlujI="
"atlassian-domain-verification=VpIlIpt7hU3FQVY16iomqYV2d9Y6J5u0B1hI8Nq8brgqSz0eU3YgIWBK952ChthW"
"brevo-code:31f8096a79aa99e5d5eae3496217fee3"
"adobe-idp-site-verification=2536add4e894408f353318f2a5f4774fe76fc5fa9444ae17ae0c99f5deefd54f"
"teamviewer-sso-verification=acf2c4a62dc14205b2fecacccc216354"
"as=1273751144"
"HARICA-PZQEgnLWRx99PnHigIL"
"access-domain-verification=f2d14e56c304cb66f6c24f7251d14f66f99c86d9a1535b205731a5d762e86f98"
"abuseipdb-verification=vX8jkiir"
"v=spf1 include:_spf.google.com ip4:136.206.1.100 ip4:198.187.196.100 ip4:193.120.143.134 include:spf-eu.exlibrisgroup.com include:spf.protection.outlook.com include:mail.zendesk.com ~all"
"a93627cf39e4403f8e1d5a697e700555"
"google-site-verification=ijLls24tWJ3pf5tIOl2PtYpNMljP-GnZoKABhB-HuVI"
"peoplexd-domain-verification=6DD0C27DADE97F206143" ""
"google-site-verification=OYSjDhQ83PdCvam2LmLQ97vUl4-W7CJeOGKQ0F8v8Jk"
"91181760C626DF8110E2637866E685051CBEE8F0"
"google-site-verification=OhhU3papvOWhKcms7yBDSM-lFIYtIcvT2Fhw4ZjhuQQ"
"apple-domain-verification=8dGpQBywHgXJLSFU"
NS
ns-105.awsdns-13.com.
ns-2005.awsdns-58.co.uk.
ns-870.awsdns-44.net.
ns-1250.awsdns-28.org.
SOA
ns-2005.awsdns-58.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
100 10 "s" "aaa+auth:radius.tls.tcp" "" _radsec._tcp.openroaming.eduroam.org.
TLSA
SSHFP