Generated: 2026-08-10T06:34:48-05:00
| 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 | 4 NS record(s); 2 or more required. |
| OK | SOA record | 10/10 | Authoritative zone record. |
| ERROR | DNSSEC chain | 0/15 | Both DS and DNSKEY are required. |
| ERROR | CAA policy | 0/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 5 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 | 71 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. |
| ERROR | PTR reverse DNS | 0/30 | PTR not detected. |
| 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 | 165.132.13.87 |
| AAAA | |
| CNAME | |
| MX | 5 alt2.aspmx.l.google.com. 10 alt4.aspmx.l.google.com. 1 aspmx.l.google.com. 10 alt3.aspmx.l.google.com. 5 alt1.aspmx.l.google.com. |
| TXT | "v=spf1 include:_spf1.yonsei.ac.kr include:_spf2.yonsei.ac.kr include:_spf3.yonsei.ac.kr include:_spf4.yonsei.ac.kr include:_spf.google.com include:mailplug.com -all" "google-site-verification=2rsjpJZLg1FwN9g_C1Q6d_e9nGkHaRXSrThEU0jYzuI" "worksmobile.certification.jx9zlodqjilmsa2ywc.dber4coldpssnw.tbdbovwpy" "_ztpcrsw20d03lwqjio8xex8mtirplab" "google-site-verification=9nWmjG3yoyHVAJ_7-X4PNxHqfbCAfE0sRagOClhnJ-k" "google-site-verification=ZGV1Un5NAw8C5RKLmE6UMUHzUfTRZaTkSDir7KWihy4" "google-site-verification=aIY9qt8_pA5GT854oY_VlTomJ5St1n2Yed9NFWWz2aI" "google-site-verification=g8lpRpYZZWz0VwTd-LPHz08KQlB77pIo13YV-Yox9nc" |
| NS | ns.yonsei.ac.kr. ns2.yonsei.ac.kr. ns3.yonsei.ac.kr. yumciris.yonsei.ac.kr. |
| SOA | ns.yonsei.ac.kr. network.yonsei.ac.kr. 2007121906 10800 3600 604800 900 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |