DNS Report: csc.edu.cn

Generated: 2026-08-10T06:22:17-05:00

33/100

Diagnostics

StatusCheckPointsDetails
ERRORIPv4 (A)0/300 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.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/203 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.
ERRORPTR reverse DNS0/30PTR not detected.
ERRORIPv4 diversity0/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
ERRORDNS resolution0/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
AAAA
CNAME
MX
;; communications error to 69.64.44.20#53: timed out
10 hzmx02.mxmail.netease.com.
5 hzmx01.mxmail.netease.com.
TXT
"v=spf1 include:spf.163.com -all"
NS
dns2.csc.edu.cn.
ns2.cernet.net.
dns.csc.edu.cn.
ns3.cernet.net.
SOA
ns2.net.edu.cn. hostmaster.dns.edu.cn. 2023062911 7200 1800 604800 600
CAA
DS
38296 8 2 E9D9B19D2CB4E8C3B3503FC9D4B31072664723A4CA8161F1C20E244D 9F4E76C2
DNSKEY
;; communications error to 69.64.44.20#53: timed out
257 3 8 AwEAAc0qmE7Vkgf9AeQdior0iaGGUwfEabRmCry4bBZLO/npR1YPBuRU 7IQVb54phNpvftVGKoSy5UQOrDk+E27KjoKX5Ed72Ago59woREtsw3Ql pdohHch2ccvZUm69WxpsczgJPNDsxvpTH/Ooi2yzwtRWYDG9xtKsoga+ FFLeKI5tbrBd1M91LeTAQUIjh63uxluRMaPWiPAxHz9rqPkY4gFUbg/P OakDxDdM6zyQntHToNkbZj1nbYss1GTxQ9i7IGX9yWYRNeFIrXnBdWYS rmufAuFEaImug0O+uRbZ6uzTTMueCkZxAHSVgr0vf2Uy7JvpILsyo2HG QSCiYLotk4U=
256 3 8 AwEAAcWvuXcA1lDWdo6e6Pr57QVuNETZSY7bKku/rykGxqukVw1khygW FE6KMmwzZ23jCh1voUxqgD2dd4Kivxhhhnc/8G/IzESfRnULgjV9vcYY 1ug1QTziwAttrXSz299eakoAtgd08M1lM+i/+df2diMgtQroWa/7snHG DLEsWf2fnWrxvBmB8BihezOlGXUdsCN3ZwoARWpGKFdoioKTmBb6N5mq fwADzPnvY3K+UYBz12mRf4xfRd8ZDcGdQSBReA6XJUEZpOwiIc2wY+oP v5IvgGD3LNmWcJdlVpOGq1OoIX9ckn+QQuL5c0FAe4gYAsGAh4FVx2Gq +U8WueniiRc=
RRSIG
DNSKEY 8 3 7200 20260816161105 20260802153735 38296 csc.edu.cn. dUChbsDDfzJodXLjWnivDN8ujpMR50eGSdyoFJwhT8KBXaSqdDZNEUIb jRRKLNb26W2C0HAUe52DCt0JdLT8Spzv3odTvStpgeNmKBt7JbCGdbor H2CBloTPlpWhrGudBdUyQjO+/hAWInpjtFtvWOweC6AMZfeSGyPaFAv6 Ui9uEA4LaIEoZsnll+LBgFlI7PdCMHFH8tHJUs+CbIWKBgUB/4tW/BN6 mU1gX5dQTfLdFiSTFGNCgC7ylKYj3tRppPctr5Wn2GFBeDrMclCF2UXA nHYQVIAv7oLBV5nXQNnFs5qRUoko6Rg7CdYcy574MgbPGgoHbTD9LMss apb7eQ==
SOA 8 3 86400 20260823145848 20260809135848 57793 csc.edu.cn. f/TA4nLx4ivAqclqr0PgD0rgM0xhGMN3SzwMxyxzD9OfgFzIlmIYt4Bn 2VmqKGCa+ZFlvRk/pzvDb24iROYlTny+RsbBHkb1gyJ7hWftIzIjI3SU eD9yyYjDFs7MpQ0dZCSI7snlp0vmY/rB2uMCG8S7OiPaDT1hcePNbqVt GcOKoCfCBKEauoozR/paybUYEkUZdDA10R1hW3sClWIFh5BbS8icgCn5 IQfu+DBhu6UJsuNPg6DcM+23KE0GO3rsQYTQEttgrXiMGZp2WhgtJDW+ bWVOezyr+9fygsL92T7MZGkhJQYpqZuhTJtY0czkWPNW8CJhx1Prfuk+ jHwP+w==
NS 8 3 86400 20260823103348 20260809094921 57793 csc.edu.cn. PHok8Ah04NLh0pR6Ec/WrHBmQsWQh+VIzvcInGdDtn8EqLsBUoFxBXPy hq1sMrs3sxlaHKxbsg5tTuVgDlxPgyv1CxKbvU5pcF0dq8oyeOwxnF5l cdA9seAnt5PV10qNNlXdEAwzT/ppwvhY8duaaRozfYtHES3PaL3GFREK FaeNI+dH2D/fZZv2OXbVw6/iKrElgHXkjqXvQDOnLyMOsUJGo3xloz6o R2v8eVu8qJyLd/Hww2zVFPD/91ReEaAmqmt+YFB0qmGT6v0A1TOk868Z QjHfIQuRDi2EaZQwmL9WCD+OmPg7EqU5fJ34z8M2GLih002mJVN0XkeK RVuU8g==
MX 8 3 86400 20260823103348 20260809094921 57793 csc.edu.cn. PWi6jqKtG0DqRyz02/VVSpsY6E9gWGGrCGUyiVbKMY12a8yZITM9uxKm P7oI0g72LSe+v7sKg1dAXqOigxKtyJ3f3TWAnhhnZrcWGrQ1Pi1JSFAo moGtQln3xyQ9jk7dy/MRnU6Pkva9JCzSmg5Olbk00f6kSDj9CySnKwtO 6wTZc1ITSsLJOuF4eomVdL7lZoNhWrLVN5yxkaLLxP6nbb7RML3v2uZd 21HQAOOud/CZV7cUSgNALaYN8uCIx2Ua6w1D47wbwSMl7n3Ge+5LwTuG 80N3fJD/fsqfLnfaNCueOpx1gh6lZdmUA5UnlHm95rCvc2Pwf+83ldcX WMqGaA==
DS 8 3 172800 20260823051445 20260809042932 44583 edu.cn. dwRmFutyn2Q8A8b5zHPTjfvYLXL6LvKsb87KSZyZFm5p8BcU7+PfLP2I XBpy7OuimeQiDiZARbRkt1BIM9qutT4BSNCCRRWE6n3dzFhjxAp4kZ89 ljgQTNfZ32oiXc6BtGl5AkbK46eoUIwHltBM70EDh+GQ1zKhwH/I0KJk xHkXX0d/zHidjkT5HnNcV+aQukNtP/d1PbAMEk8T0a4Xc9EBxkR6BtPP Zhsq7ELt78qd628FWCFVwrM2SKJM8BzEolct6qi/nj6Sb0kiRtHvYSo1 B/RKTC0fNxAX4ETo4btBuYSyIVBvxr8s6omLBlgC/Og8QLH2+sl8bKvZ YVnFzw==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP