DNS Report: ic.ac.uk

Generated: 2026-08-09T06:25:47-05:00

58/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/307 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.
OKDNSSEC chain15/15DS and DNSKEY detected.
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.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: icads50.ic.ac.uk
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
155.198.30.55
155.198.63.21
155.198.30.98
155.198.30.71
146.179.32.37
146.179.32.12
146.179.33.19
AAAA
CNAME
MX
0 ic-ac-uk.mail.protection.outlook.com.
TXT
"_n4u2r1q92sbrfhi4yw2pt2xhyyzz39i"
"box-domain-verification=d9a6de600ab54606d1a29e06b6f0c15175f40edec34a789899bdf76033229bfd"
"2fa15ee8-2285-4496-bbfd-190dda3d1b98.100718"
"8EPXmL39AtuM4AzorZWkeT34xcLvQhnXdl1bWFIZZfmArx3YinDdA1MnJRWq+m+rtJwgxwbrJUidKpwiJB3CvQ=="
"QuoVadis=2c177ef2-3f9b-4e3a-a5bc-9138f95d4089"
"access-domain-verification=6a44df5d26c585e4eb589c3037362087e7eb4f27d1f760df73ed6118a7d13cb3"
"pbVVNAqLdNQQqtA1/1Ebp6JyY/P4TTRz2GTxVvg3zeZGBEb4PDvkT11a81xc++ZWZAI6j+2MWRakQxkkXOQzSA=="
"v=spf1 include:_spf.imperial.ac.uk ~all"
"atlassian-domain-verification=ATxzg4VKmcvcwvue9AxKCTcnkkld5VpodrJb73U8t5DkZQN8b8saysxyKv5uQI/4"
NS
ns2.ic.ac.uk.
ns0.ic.ac.uk.
auth0.dns.cam.ac.uk.
ns1.ic.ac.uk.
SOA
ns0.ic.ac.uk. hostmaster.ic.ac.uk. 2013361052 2700 1800 3600000 3600
CAA
DS
7069 13 2 0DA7770D4C0A5DCA1562E2A0BFC64BA34C0683A99C453246294EEF3C 0F90469E
DNSKEY
256 3 13 Gl/hGS/gXXOVn6w3L1B8A/LH/wg2/hFRtID6OsUhjNgsETSKZVBB95xl Hj3RtrFq4FNVpYd2/o7yq7AXOPzYFg==
257 3 13 X27ePkKwUFUOperVH0m7yclZ9Wos4jPskJs6A4Y2W3ziZaRgMv+cYtoY 4Z9dLU1DEWld+DJY1yyoBM/uwhY3Jw==
RRSIG
TXT 13 3 600 20260819132357 20260720131028 27223 ic.ac.uk. /McUUkZ3+EKRRRpmeQ+pF29snTObss7E+ygaknAjjnm9M/vuno1FV+va VfAHA22/QxWJdvqNKBQLFcOWK3+KIQ==
A 13 3 86400 20260901170701 20260802162556 27223 ic.ac.uk. s3jTd/p6phpUh4xSogIIgEd1m+F1pxQ7J7Wbe9ByTpPglUy5UPA7XYfu eOKUWE4w86STxEVz8SIa7oFwyFnLOw==
MX 13 3 3600 20260822132419 20260723125741 27223 ic.ac.uk. GJnDZj8bdMskISCw8UDKJrlBcz0xqZBUGd3MTUVZN5uhtlT7ISlSLf3R p3sIfvGMJ7MZhOXK/0f+TayyuWS3LQ==
DS 8 3 3600 20260818144439 20260719131439 7336 ac.uk. Zg7EXiE+rzpg+c3L1v9xOImcLNGaK5tNYqj4KBOoP9NzFuoUleKEL776 D7XRtgwSdnhPHdNKEb3fsKSpkQ7aQHTyehPzTOI4vBERaVRfmZtt8NAF rhQCD5BMU7T2Ake/l/RcOudrxfLEbviN7M95ij+0AfipRAL9sk150Ahs BQw=
NS 13 3 86400 20260827080558 20260728075350 27223 ic.ac.uk. SBeJ5pEetqqEpK0wx5jXEfxtxARXLwRhGeXjln3MH4U7GeG8AN+VDRlc H1tVEBW4awcWyMF7rGipvOVz9aBq3A==
NSEC
06d7aab3-081f-476b-89b0-ff8c0741ec9f.ic.ac.uk. A NS SOA MX TXT NAPTR RRSIG NSEC DNSKEY
NSEC3
SRV
NAPTR
100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.roaming.ja.net.
TLSA
SSHFP