Rank #3,462Updated November 10, 2026
cityu.edu.hk
Its email security grade is C. Its SSL certificate is issued by GlobalSign nv-sa and is valid for 62 more days.
- Domain age
- —
- Technologies
- —
- Email security
- C
- SSL days left
- 62
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 45.60.199.218 | 28800 |
| A | 45.60.197.218 | 28800 |
| MX | mxb-005f2502.gslb.pphosted.com 10 | 109 |
| MX | mxa-005f2502.gslb.pphosted.com 10 | 109 |
| MX | smtp.cityu.edu.hk 20 | 109 |
| NS | ns7.gdnsec.net | 28800 |
| NS | cpccux0.cityu.edu.hk | 28800 |
| NS | ddi-cms1.its.cityu.edu.hk | 28800 |
| NS | ns4.gdnsec.com | 28800 |
| NS | vax.cityu.edu.hk | 28800 |
| TXT | google-site-verification=-0SIQgoyTJ3qCX21Ocb2ejQAq4mgHRPAxaPObnkFH9M | 3600 |
| TXT | Foxit-domain-verification=bf2fc1dbbebdfb81f06b37ba15833d1c | 3600 |
| TXT | v=spf1 ip4:144.214.13.56/29 ip4:144.214.13.69 ip4:144.214.13.70 ip4:144.214.234.13 ip4:49.213.3.162 ip4:205.220.184.176 ip4:185.183.31.206 ip4:144.214.234.28 ip4:144.214.234.42 include:spf.protection.outlook.com include:spf-ap.exlibrisgroup.com include:servers.mcsv.net include:_spf.google.com include:_spf.qp-mail.com include:mailokta.cityu.edu.hk a:d.spf.service-now.com include:_spf.explore-blue.com -all | 3600 |
| TXT | knowbe4-site-verification=a37d491cb592b283c4c827566a9e5c10 | 3600 |
| TXT | globalsign-domain-verification=15279D02B60011B9EF5B52DB7BF7ECD1 | 3600 |
| TXT | adobe-idp-site-verification=0b76b3def9dacf1cea663f457e4596bb0b2c5109bb619c95679b14ec571d19a8 | 3600 |
| TXT | google-site-verification=Ms0I2YEeqDKt9ZZ-rnGDERY7C4xsAe5JdufLM5ThcyY | 3600 |
| TXT | google-site-verification=4nCyqRixtzkWCVIfzZYY-dHl7zcZcQ9jX_xOOw_9e0I | 3600 |
| TXT | facebook-domain-verification=34ysu4hv1z7c7h8n3byqtqjmlmt5xf | 3600 |
| TXT | amazonses:0TS3rG/hobLmR+RP2AGHDUgg9dZ6fg4QhpSsEfI+EJM= | 3600 |
| TXT | apple-domain-verification=b6AhZ831f051pKNs | 3600 |
| TXT | d365mktkey=1to60zloe8xzhjy7vq2nska7u | 3600 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | BE, GlobalSign Atlas R46 DV TLS CA 2026 Q4, GlobalSign nv-sa |
| Expires | January 11, 2027 |
| Days remaining | 62 |
| Protocol | TLSv1.3 |
| Names | *.qri.cityu.edu.hk, *.acim.cityu.edu.hk, *.hktech300.cityu.edu.hk, *.is.cityu.edu.hk, cityu.edu.hk, *.lt.cityu.edu.hk, *.bme.cityu.edu.hk, *.aro.cityu.edu.hk, *.elc.cityu.edu.hk, *.its.cityu.edu.hk, *.sys0.cityu.edu.hk, *.ds.cityu.edu.hk |
Email security
CScore 65/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF uses 8 of the 10 allowed DNS lookups. Adding another service may break it.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: selector1, selector2, k1).
- good3 MX record(s) found. Mail is handled by Proofpoint.
Homepage metadata
| Indexable | No (noindex) |
|---|---|
| Word count | 0 |
About cityu.edu.hk
Does cityu.edu.hk protect its email with SPF and DMARC?
cityu.edu.hk scores 65/100 (grade C) for email security. SPF uses 8 of the 10 allowed DNS lookups. Adding another service may break it. DMARC policy is none (monitoring only). Spoofed mail is still delivered.
What are the name servers of cityu.edu.hk?
cityu.edu.hk uses ns7.gdnsec.net, cpccux0.cityu.edu.hk, ddi-cms1.its.cityu.edu.hk, ns4.gdnsec.com, vax.cityu.edu.hk.