Generated: 2026-08-10T18:52:18-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 1 IPv4 address(es) detected. |
| ERROR | IPv6 (AAAA) | 0/10 | 0 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 2 NS record(s); 2 or more required. |
| OK | SOA record | 10/10 | Authoritative zone record. |
| OK | DNSSEC chain | 15/15 | DS and DNSKEY detected. |
| ERROR | CAA policy | 0/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 3 MX record(s). |
| OK | SPF | 25/25 | SPF policy published. |
| OK | DMARC | 25/25 | DMARC policy published. |
| OK | DKIM | 20/20 | A DKIM selector was verified. |
| ERROR | MTA-STS | 0/5 | Mail transport policy. |
| ERROR | TLS-RPT | 0/5 | TLS reporting policy. |
| OK | Valid TLS certificate | 55/55 | 47 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| ERROR | HTTP security headers | 0/35 | 0 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: \@.cau.edu.cn |
| WARNING | IPv4 diversity | 20/35 | Two or more IPv4 addresses receive full points. |
| ERROR | IPv6 connectivity | 0/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| OK | HTTP response | 40/40 | HTTP/1.1 200 OK |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 202.205.80.179 |
| AAAA | |
| CNAME | |
| MX | 5 gw1.cau.edu.cn. 5 gw2.cau.edu.cn. 3 mx-cau-edu-cn.icoremail.net. |
| TXT | "google-site-verification=Y9Zg-qVkdizAGjyp9hXIofB3roPPDIxBmbGg83d51ig" "google-site-verification=Iya0Br1NJ3a9kQ9tKysvfkSKm5DZLBEON2CTHmAoMWA" "v=spf1 mx ip4:211.82.93.128 ip4:211.82.93.129 ip4:211.82.95.94 ip4:211.82.93.96 ip4:211.82.95.95 ip4:211.82.93.97 ip4:114.251.217.111 ip4:114.251.217.10 ip4:114.251.217.13 ip6:2001:250:209:B02::173 include:spf.icoremail.net -all" |
| NS | nsb.cau.edu.cn. ns.cau.edu.cn. |
| SOA | ns.cau.edu.cn. root.ns.cau.edu.cn. 2100054551 10800 300 604800 86400 |
| CAA | |
| DS | 22270 8 2 A5A213350D23B0287725A17BF22890E01CB3C70C9D0A9698D165EC83 D89BCACC |
| DNSKEY | 256 3 8 AwEAAeUqud4Wz/v0x6RVE2zFdP69HS6pPpnq4a18dKpRbfbsKH9YSXUK i1yFLk81YVo9lXvi/TJ4b2yejN3cTEUDtL8MDorMQtNIkRsi+Up1pq4G oJuAAVivKeHA76OTQEdW/PdicyWxmS5DDhkfg2YkSZQqQXXDIvNif/7z Lr+QeoTPUlero/GUgqNV90gKFF2x8gFS9UsNon4z7nbxc1UHzvQVThdb xlpwhja7u2ays3u8/7Hwm75LSDHPm7u8MDsSti7suncpr+kt+9TvH8Lz /r/ZOApfdR88aSm8j23z1nuTdULrmEaWBJAyGibrl57ibc2FsgYTTczJ Dwz+5sYS2wc= 257 3 8 AwEAAdiZ4zx+b8K4PBN6ZkYNvm6k1GW8jtBm65aPEYCWwAFhq5b3D9w4 NBpjPsCDz9qK6u/Lgw5+Apa8QhaYW+FSuGr4EGvo5BjYFQIiR9Upsf/g l+sw7/xWJM7OaglgBR6HmBhhvGS0VQV/26T+s/CIp2c8ievq959hQQ6L 28cvQmH1MMlC3GYrVedVRF8fCiHyJ88SGWzFOKRUNkk/sY8fnc2N4qr/ 9oGQA2Zs1vSWqn8ZaMPPgVnh3HuQMd35uPI8guxKqrduDVAsShNVRsGo RG7pSvfUbZ93fFVfpXnTb+12TY5GcD8x6P+S2kQC7TYPSOHxdcvh4Zwx 2F70yuUd+8k= |
| RRSIG | A 8 3 3600 20260827003747 20260728001738 4251 cau.edu.cn. hCLqQXzpsOOJx5KKuIMcIOBlx+pOe4biyh52TEW2nx6fsXplss/q9/vH WzaPiA1Vbq7K+R6BQEBsmVuElDBgtEuSWFto6eDtojktCvoNanFW8YcA fa+Tce6C1voB6YmelTNBLDVtIgdsMLTwXeEadNFDmsI2dbI1Ie+pTsdm zRF5HqPcwLjqr4fezbGzr0DETlmhyrrJMwU1AxdUXYqRey8U8aejTtf8 jx7BT7k7tF8JmBd4etXOj22zIcGq+O5F0BxyLOkt5CB0y7FvSKv9apjQ VULoQavmKBNHjiZWFtA8/REf/DBF1jak/fGHz9O8LSQxHAKW5bM70+OP mPQMHw== NS 8 3 3600 20260827003747 20260728001738 4251 cau.edu.cn. WRZPFXSIdWk/m1nGRY+baAZFnAR3hN7XjRg22RoPnoZt+0cIHPamZIFH w95q0EWkk+PPVnKbx3jtWlzpHQ67kHMGsuYHtrOgn5mrUoqgcCP8DMxd dva0CAyFox58cV16ZjcHI4FONMseGMA66zeYx2qtuGGigognljMtCEOD QacYesoh7ixmxUN5B38sn+SkWbRFVygi+WQxGev+ZQq0M65VRhuaL5jo ZsVTVpSL2zS5EdbYWaYtzcX8IOYv04LjICIYgpt49foMzO9OyVHEMgiZ fmcmxSu0YPTkSciUlbOxkS79+db+n6+Ma7Eaa64vMR6oO/SuRQy6HmES /5Q4Yw== SOA 8 3 3600 20260909215651 20260810205651 4251 cau.edu.cn. hVFEtmpwe6w+MDGRXDxrKxI+jKya+S7QGOFVqANh07/x6UTb8soEynmg DoVlh+k/NmUUavSnrbZ00uWmnuS45nokJmmNXOCabPQPF/jywPm9qS+6 VZ1OpkqlOqHV1ncmhQ5xxsdFW8n3CiqJ/adAGhcjAb8/KrlufHNOd+ia RcL2vEOEG3Fsc1lf88AiD33oHmNWJvBkn2pnJyDTUgDuAOSYXclnHjSf 4tZowZVTG0+DKRFmK3UqLtw1U6/OXgeDFwJZFHK486xqJ+jZQxUGnmte RHdB4dlf7fKF5a5NgvnPgVmoDMFB831mS3g/8L1zW/Syqm9B5WSUZyzp hZ+rJQ== DNSKEY 8 3 3600 20260821233406 20260722232448 4251 cau.edu.cn. XOSfIHZ7ubVOOAy0s4jYz0s1Pxx4e1/NSRWbdOpUnV+yS9kGHddB2nMh jI4oTeQWFWCJkhXOBDpNpe+SApMsAiv23ZnVxoiXadrQrkkG2hI1LVN1 S2/LfMWWziogcW4v3iyU25U6XNVAOfPfjC/nCHilxcSO/wdE+mX+8P+f zVVMjd5MvoVC2yKNcWJf8f79IRfu9nuwim15CKicd8AaY7hwmFGfM34h /4Iu+dXmPj6LgyzWEC9qDSgff41nAjXsMgG5h8jkzwLQRAnAsFMfHItJ 2x//AukZ3rqdfL+MkXDuA+HdlzQLMawX2OkKZ5ZDqjFiA4vPvZYNmLkr v5Y0Yw== DNSKEY 8 3 3600 20260821233406 20260722232448 22270 cau.edu.cn. TXpwk17ReOL0uy+nlFGc70ks2hgM2j6DjFkq7p8oK7TAVwdPyyq3pRuV S8N+M0bP4mZ1SHnIrh2znM+G3AR9hAfC6mdWSIDWKaE73CTKfg274STf 9cm7gO6W3efUvNkgkwTxYuBS7a/uNnUdtrHUkqBqxlyrFKJaC5w5pTvN pw/rZf5FMwn/BzTLFICxR/eQIqqU7qSJgu32AGFNwC+Gpk0OL4vM7Y2Q VSnOCCMnguyNDLxbhE7jLF8vEZwkCbrKjc2JCeJ0PcJ/97wrdSIj7BcJ P5gnHyc0zlhssD6M9y5bYZqBAnS96mWzCGouiD+gqzYY1UtNsnuaGwda z5nz4g== TXT 8 3 3600 20260827003747 20260728001738 4251 cau.edu.cn. aLwBA8sndeEhEu6OMDge3ph9W3SYC4ffvnUQYwL64TbC9ER7Jq06QRED UCYMyzcugGT7Xpbz7KY7yOursIlYxfqdcSIkYDVXhDfLRKAExtuD5oMz XdU8zI9apkAFgVR8JzjZ/4v0XB4BJKVcKkeo0gjytA0djuCv1H86Sm2K nkL+v8UDZ78OsI8e+/WC9iMbCPezBaaUtgabAwMfLv8utY/BPxmsj0Lm kGCtUMU8tIhy3+Md6TJNGpy5DSUTHEushpyOMyBqVoA+FQXvni0hHVRq qYCyJPHBZK4LhSF8r6tGwVP6U/VBDjrbLA2f/NTbHH4sintSDYldk1kQ FHtXLg== MX 8 3 3600 20260827003747 20260728001738 4251 cau.edu.cn. QuuKttibVWKf8fnVpgpAToZlo+aKx3J1OT9lhVqNagEdTTQhQvPFQU/w C0XCzaOdDLXpcIVmuu+fSlIB8bVZktVhMqVm7TaYIWLasbsLlkVw2WuS b40vW7y1e7ZX9oI/oCfPsbPrGNs8z9BHO9hvAdjPzN11LLwVv2tNglY0 MVMaqIClyL3UBfvdBAuepIChOKJcZWSd0ijDPwHihsgSUTiADpVXFzFu ZmolNqwQeJb0fSjtShaRy9SQxHtAyhgzfDzZmTB3vmpOQwRF42IIZUP+ tr2LJDGbA4sga67dO1Wg6dsKINZSbWmjtvfd9LHeqWL0g0Q/hUszSDpx sty0AA== DS 8 3 172800 20260818145404 20260804141213 44583 edu.cn. l31720QaDLY4qRrJiMe2NQNG8Y1c2x/wHWdFlkCTUoI6zK68G+dcYcT9 ZuRezf9QW1rl3SCQ66/pOIybFmrKaC9uRt25zogz4lDmIwlkd5sYZKq0 EE4U9eVBafasBoDyEWw+8+mAIOsAQrmkX1cszwj+nmUQfzeHT6+xTvEj Jjwsi7LEfMW3bEOq7gsXOa3HTPwgDwwd2a+gln9wAXnYnjKMrte0dmew rkuBtBA1tD7qDcEN51/z4yz0BLD0reijyqwcju/nzgVylgUAP/+UpLrr iVRzMgXFQv96ag59a8LfiEAvLcAlgvm8kqmYBFpo1CHMxtnPmpSFtiH+ BA420Q== TYPE65534 8 3 0 20260820013800 20260721010118 4251 cau.edu.cn. ksFw0a90/kIiIVR+JST3uJ0upqhfHSZEVcKLqnbpfn5okRh7g6YNoE5o c479tqwfB+qx6jBIn6938JpiyW2xwjMYT6iSHuPSI7Gf164/S4ejZLv0 Qlz4Av0XwFQDfcobarRBAn9fI2F9kaQOCZHm9o1LHce/DM69MBDgW90H hq+lOa1QtBNuR75zMoaKonT3KiDWk0a2ZS3CYaz1nrXXTb5IlJ80BlUH Jw1V7kRDj/HirOTOX83lIHZotdi+ryATMfTGaKfiKQnY0j+gPENsS1Li 9ndId7ZwJMmyow9bkRfe/cHTIjPthEQnGr8IvoEMRRACjFwtq4lObVKQ RRzURg== NSEC3PARAM 8 3 0 20260824080607 20260725074318 4251 cau.edu.cn. H+DKCJLtBYSJJ1aM11j3dwB5AY6+qgrwyFepytvwZfmpzwjkW9C83S7k Le0khGQhfOPerGfmu/lKsDf+HSsVJCPSmxW8NC4TSVpxMRGpl7PvtwQz Zgan0JTlfjMsqfAiNire+KPxpejUD9Axgovoo3EV0Pr2kZO0FAoj2vIY 7RUUqfHmTSIgDj0oM6KgTg5GTWXzWWWh0tn/Ny6EQlRbyCgADOnMyPq9 qzpjYJKGChYSltABmHEsZ6NrAmppgQaulxSQ6GAQLY66wxzQD9SfwS2r 69KoE69Y1UVqbhx2uE4mIcFQ929j0u/TibVoXAoSgaatvDmH1mQYO03D VABSag== |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |