Generated: 2026-08-09T03:31:44-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 1 IPv4 address(es) detected. |
| OK | IPv6 (AAAA) | 10/10 | 1 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 | 1 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 | 48 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 8/35 | 2 of 9 evaluated headers detected. |
| ERROR | PTR reverse DNS | 0/30 | PTR not detected. |
| WARNING | IPv4 diversity | 20/35 | Two or more IPv4 addresses receive full points. |
| OK | IPv6 connectivity | 35/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| OK | HTTP response | 40/40 | HTTP/2 200 |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 202.38.64.246 |
| AAAA | 2001:da8:d800:642::248 |
| CNAME | |
| MX | 5 smtp.ustc.edu.cn. |
| TXT | "v=spf1 ip4:202.38.64.8 ip4:202.38.64.16 ip4:202.38.64.46 ip4:210.45.120.152 ip4:202.141.161.73 ip4:195.128.10.69 ip4:199.168.14.54 ip4:202.141.163.236 ip4:205.201.128.18 ip4:210.45.71.12 ip4:195.128.10.18 ip4:195.128.10.15 -all" "MS=ms26813611" "google-site-verification=n_uAijUqmjntOJL0L8N4SIIdw_3cAngmXFBIYgIDNkg" |
| NS | mx.ustc.edu.cn. ns.ustc.edu.cn. |
| SOA | ns.ustc.edu.cn. james.ustc.edu.cn. 2024111838 1200 900 604800 600 |
| CAA | |
| DS | 19065 7 2 EBD1C6420F893D8FF9950ADBF896075D059006439419634128566709 8EBD74F1 |
| DNSKEY | 257 3 7 AwEAAbhtB5jRa0xcRdXjJhSsJhWUv9ZOf3hwHgSJDtBH33/Gf2eBuPFY l91L8O0LzoYQmywOp7yQmmYMvrOpERPE92wDEjH4sYQG2aR3YUIuKmNt k6JXARQi37rmbiCHknq3ir2Ey5WuG8d085OOkMVMLy8Vt+GhMOLFAVAd FHmBqSnWHjaXVPdEEUoxcz0vL3/xq7bivQy1+j4lz1I1L7vqpBioE47v lm0gBGSz0+RdFh2UdqxthvH/Mj2BcZLQ8mS7UhAgVJbRKVM2ncZr7+KH tQZhfWLHk4ULQ8YBxcZzQEALSk+70EeyJpJQClcZPWi1QmEwDbFXGVN4 +TJECo75f5c= 256 3 7 AwEAAZ/Me3jG9Lgpyh7kHMHm/jTGttmeaV2ixsEY7/cmE03Y5hYoOmkM FBGtq8xaE16hoPVDdp6QEzM/S+zMaex5JmkZ3pYwdwoslQ9VbHgTnO+n x0nt5j+moYzqiAK5ht2jJkm8vshikyVWbehMrHrrn1tjbkjPLFriaCft HAPXss13 |
| RRSIG | AAAA 7 3 3600 20260903135335 20260804135335 32747 ustc.edu.cn. Qv+GSGRNvtYX2isrcxdSqFucXSdNkDAZxGkVF7w3qU9R3Zd8f5qv+lNk rzcYE8h0Cw3Kctxse+IMrjqegMdQxtclFH0MD01OLvICycudo7azRyH6 n1ZD9d3A0+U41/Dl3/i45D8x4ZiE5GG0Fr35Bgsew5ys0fjq0kQeU/4C oY4= TXT 7 3 3600 20260903135335 20260804135335 32747 ustc.edu.cn. DleS5rrFSmmSvHit+N11CM2cuUyv+3Ajw0gwMrapMaEIhcKRHNGtvzJQ mPqfSyM71lT6yG9IfoisBwWnxP3lQxLGtZVWZBjghn8DboEza5YLTIqO TjB/WkRqc7evmgy2HoWEfKAU7H3VXLbdHSgOkG+nY6T1wOW4pQL/eJk/ /RY= NS 7 3 3600 20260903135335 20260804135335 32747 ustc.edu.cn. F27Sj48ogj4VcQOHdfsjU1c5kerUNx5qWdF9kJd/f+qxPCHf/aUWiP+F ImUe/ShJ6a4mcrw1ogNMyTaNg7ZUvnwJA0ZXy9fr91cISAgK1gW32OdE AfwkqVp7M668ACo+sgL6PTe16Vc1Xcj18Kpp7kXoHq/gSuSPMowK/mV9 JPM= SOA 7 3 3600 20260903135335 20260804135335 32747 ustc.edu.cn. Vb51YWTIrKfQGsPaNHq+aiMP+weUxvalGYaFuD44EFftDcZTUuP8N3Ek tgNNTHOA9p9Ya8APpnxMr0tBrSrhtDc5zZO9B7H9DUbFpwnQv/1kAJgp rPMAHTR8doBoUowFyh2QVGaJrVs4TyyIzJTBEP4si2QGQ9tDf1tmJ8O8 +KY= DNSKEY 7 3 1200 20260903135335 20260804135335 32747 ustc.edu.cn. EbxMk/I/mGiCuW+/3dLdwqEvKY5/AMTDnKf3jBJaan5H3q2i4jOKkyZW 6Cvfwxc8uvOJeFv4KldPsdWnqxQ6cgYxIHzLxjZe4JEd9ANBCLdQaChB gWMLoPkOIkxqyy+lmwpzwOP9tgy3sWP7UYuMMvSLlbiujBKBNXOXmr/L fsM= DNSKEY 7 3 1200 20260903135335 20260804135335 19065 ustc.edu.cn. XsEdi1itEwxw87ooTwwftXw8I5DgW89GZa42GBcHWIGehU/p6lq+bBG1 SUZ81puefw/vN/fKn1vxWBdskgMWgMXVccUMDY0s43fvERFcis+7aWgl REBw/QO8k0Br0b3+8B1MVsRILggz5pI3P9eGFsdVayBa9eq4k/jhSXZx qT9gPXQ3eARhGAbr+1kB1hu5coz++wvsdauDJojsIutolGlEBR/1UVZ3 vbOhF92aWmHgN2t2OIncokGlUy18fdmomHja/c2CdumbsBvsAQ3ailHM IhMPZ0sm8WMlgVsDsCUdgCcVqQ62sPeXiQyGCZjS6iS3AVsWOaHreOHW OOwRMA== MX 7 3 3600 20260903135335 20260804135335 32747 ustc.edu.cn. MoQ9oDS/uWXkaI3X4jyelsO96nuQe6so8lMTY/r+zJeClAPrn52JHkdu Q+gI4hyZZrDO0NAKCaroP4ym2iyLBVTImNkU6YXZcjEWjH8Bk7nlW8Mx xkU90UMhMr7Ck05AlggbBRpXdwmjM8OIvLHlRJTi6F4/GhmQ1BjfjAft RL4= A 7 3 3600 20260903135335 20260804135335 32747 ustc.edu.cn. YW5urrKTwLjq7wn9RXASMnj+sR4Bg+5QG3yT/DAPe+YXF9gJsNVqKNmg QkR8NRPZdgw+l39PPZKb/vG8ZaqkGBeNhrUryIHBCe9dD0a3ae5+ULTl 7UZmTI9hiAiAox9B5hzDErKqkZK11vm6LOhpP2skAoSqiebwCP3cMMi4 e48= DS 8 3 172800 20260818145404 20260804141213 44583 edu.cn. hH6o3QGIBFFSWZdozpIQu7DGx5Ao/uTi/l4UlBVNPTZKJnXeCxeVjJrc PMfWh4HdDCHjZaFHKLGn2VJig5LH77gYTM9kHTblEHlypipRFj86FHMf hZdR1wHJZ15mJk94SGlosxpByiYs98tP+va4JItfaCBbqjYtMvpElirv bZBqjPlbfVEuz3sFV37QAOW1l/ahXHyFoEac5yRaVxM6uUHgfCfIbIjT PER+nghD10YHSnZ6bo1RJnvYfB2eoa/T+lq/0Fa48+LrDE4dAGb1TfHS zk/rvQzUswQ3a5hAeRzIQhtquG3eROo1Gbyp14DYStjT25E3wYkEE2QC kUSdqw== NSEC3PARAM 7 3 0 20260903135335 20260804135335 32747 ustc.edu.cn. jQajbImC3gvI3vUa7NzaW1tngjQozRnhH9k+Rt3hs+7ZZ9O6trgHePrA 0oGHcQ55NFf0gLADCz0x9YOHviyZW6tp29cPWHHEwjOY+BsdQ4pg7TIG 1dvdGRAUU5aOPGnhqpq42j8AMIVO5LTC0S3f2kOKbx/70yK0nMSrzOn6 zYk= |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |