DNS Report: ntu.ac.uk

Generated: 2026-08-09T21:48:39-05:00

74/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 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.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 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 certificate55/5568 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers31/358 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
2.58.104.10
AAAA
CNAME
MX
0 ntu-ac-uk.mail.protection.outlook.com.
TXT
"google-site-verification=tpM1VSPjd0JxnDV82azMEBEcmIZhUcEwpefceUixqPU"
"globalsign-domain-verification=mjp3mboVpnc22gDvBwhtFGi1_zbfEdjw2_jPInZrc6"
"adobe-idp-site-verification=c6b83e10d88946776564ddd39ba1934da88fadbabf69f14985e56c9d7cd2504a"
"v=spf1 include:_spf1.ntu.ac.uk include:_spf2.ntu.ac.uk include:_spf3.ntu.ac.uk include:_spf4.ntu.ac.uk include:_spf.salesforce.com include:spf.protection.outlook.com" " ip4:167.89.7.96 ip4:184.107.80.100/30 ip4:152.71.100.199 ip4:152.71.100.229 ip4:185.41.28.0/22" " ip4:94.143.16.0/21 ip4:185.24.144.0/22 ip4:153.92.224.0/19 ip4:213.32.128.0/18 ip4:185.107.232.0/22 ip4:77.32.128.0/18 ip4:77.32.192.0/19 ip4:212.146.192.0/18 -all"
"_globalsign-domain-verification=H6ZpZYhJEP0xbq6J8V47NkLD59NA99KNfFD79rGvKy"
"google-site-verification=-HX2V-6qAoFxpCwhrI287Gd_LF_TBzcntZOgcEKK3_Q"
"jamf-site-verification=bUwskBTDcqgBbL4sdibhAA"
"370F0B5AA3B1149E4B7BA036D27B5E86DB8244E29F279A9E6FEEA7C356B62951"
"1B5962E1A696C06E8EBCEA0B21E7BEBEE8177BE664DCB8E06B48E6B2AD774706"
"google-site-verification=5TmlWWmi5d5NLm1EHN_eqHpPBuonT6Z7gtTMgMKdJSs"
"google-site-verification=-pCFxCJjuTjG9UqhZlELUbc5U7VtutktR67wnjYX5Wo"
"pvuzlkfo/1N05avbRVuluHxqsJLqSfGYQSpJmJdG22D4YyrER6XFV2Kf9VjxaGbOyEV0yz3fXNeZXxed/CABnQ=="
"apple-domain-verification=GD8o5262x12OLP79"
"brevo-code:08ff5ed4a343c2591bb9bb37af9e421d"
"QuoVadis=e35e114a-9eb4-4136-9ef5-b5cb98da7d9d"
"msfpkey=6zc08ci9ku1alw03svailenfn"
"google-gws-recovery-domain-verification=73001927"
"vONfKptSGotgzsNdIHgO1X3x2pfj9yxQ5GC7WfPFnsEzVdnx+3eRj5ykM5/3eU4XEbdztwF7wtW3CR+J/+2fzA=="
"workplace-domain-verification=qUnHCkD87L3nWvfPq4DnpHeqvXMm5r"
"ms-domain-verification=5405e580-9e5e-4024-8882-a42cebec9430"
"google-gws-recovery-domain-verification=69614898"
"google-gws-recovery-domain-verification=69394460"
"MS=ms52600687"
"50D75908AEBE64C905050975D096B7E0BD99DB6769C38DE6E68FFD050F690696"
"GLAu0H6RU+Lv87ZHCvUgms+mw7Un8RlrVfzxDv8EGJcte+d3OJRnG0l0ZVXMq13o3oXt8xCK0tnTMl/cG4C94g=="
NS
ns1.ja.net.
dns1.ntu.ac.uk.
dns0.ntu.ac.uk.
SOA
dns0.ntu.ac.uk. postmaster.ntu.ac.uk. 2009114952 43200 7200 1209600 10800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP