Duhoc-hanquoc.edu.vn belongs to VNPT-AS-VN VNPT Corp, VN. Check the list of other websites hosted by VNPT-AS-VN VNPT Corp, VN.
In terms of rank-to-traffic ratio, duhoc-hanquoc.edu.vn has 1,957 unique users per day, viewing 3,953 pages. The rank based value of duhoc-hanquoc.edu.vn is 2,854 USD. Every user makes 2.14 pageviews on average.
Duhoc-hanquoc.edu.vn boasts a link base consisting of 203 referring domains and 219 external backlinks, as revealed by the data obtained from web network scanning.
Duhoc-hanquoc.edu.vn top-level domain belongs to .VN domain zone. Check other webpages in .VN zone.
According the last verification test in October 22, 2026, duhoc-hanquoc.edu.vn has a valid and up-to-date SSL certificate issued by Let's Encrypt , certificate expiration date: January 08, 2027. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.





| Domain | duhoc-hanquoc.edu.vn |
| Issuer Organization | Let's Encrypt |
| Issuer | YR2 |
| Algorithm | RSA-SHA256 |
| Valid form | 10/10/2026 |
| Expiration | 01/08/2027 |
| Signed | Certificate is not self signed |
| Additional Domains |
duhoc-hanquoc.edu.vn www.duhoc-hanquoc.edu.vn |
Alexa Rank shows how popular duhoc-hanquoc.edu.vn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If duhoc-hanquoc.edu.vn has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to duhoc-hanquoc.edu.vn and pageviews on duhoc-hanquoc.edu.vn over the past 3 months.
ASN ID: 45899
ASN Title: VNPT-AS-VN VNPT Corp, VNLast Update: 10/22/2026
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS45056 - AS46079'
as-block: AS45056 - AS46079
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T05:48:11Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS45894 - AS45903'
as-block: AS45894 - AS45903
descr: VNNIC-ASBLOCK-VN
descr: VNNIC
descr: Vietnam Network Information Center
country: VN
admin-c: TMT17-AP
tech-c: NHT16-AP
remarks: Block of 10 AS numbers from 45894 - 45903
remarks: for assignment to VNNIC members
mnt-by: APNIC-HM
mnt-lower: MAINT-VN-VNNIC
last-modified: 2015-08-05T00:58:13Z
source: APNIC
person: Nguyen Hong Thang
nic-hdl: NHT16-AP
e-mail: tech@vnnic.vn
address: Vietnam Internet Network Information Center
address: 18 Nguyen Du, Hai Ba Trung, Hanoi
phone: +84-4-35564944
fax-no: +84-4-37821462
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2015-08-04T01:56:01Z
source: APNIC
person: Tran Minh Tan
nic-hdl: TMT17-AP
e-mail: info@vnnic.vn
address: Vietnam Internet Network Information Center
address: 18 Nguyen Du, Hai Ba Trung, Hanoi
phone: +84-4-35564944
fax-no: +84-4-37821462
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2015-08-04T01:56:01Z
source: APNIC
% Information related to 'AS45899'
% Abuse contact for 'AS45899' is 'hm-changed@vnnic.vn'
aut-num: AS45899
as-name: VNPT-AS-VN
descr: VNPT Corp
descr: 57 Huynh Thuc Khang str, Dong Da Dist, Ha Noi
country: VN
import: from AS7643 action pref=100; accept AS45899
import: from AS23899 action pref=100; accept AS45899
import: from AS23962 action pref=100; accept AS45899
export: to AS23899 announce AS45899
export: to AS7643 announce AS45899
export: to AS23962 announce AS45899
admin-c: PTH13-AP
tech-c: PTH13-AP
notify: phamanhtuan_vtn1@vnpt.com.vn
mnt-by: MAINT-VN-VNNIC
mnt-irt: IRT-VNNIC-AP
mnt-routes: MAINT-VN-VNPT
last-modified: 2017-11-19T07:11:27Z
source: APNIC
irt: IRT-VNNIC-AP
address: Ha Noi, VietNam
phone: +84-24-35564944
fax-no: +84-24-37821462
e-mail: hm-changed@vnnic.vn
abuse-mailbox: hm-changed@vnnic.vn
admin-c: NTTT1-AP
tech-c: NTTT1-AP
auth: # Filtered
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-08T09:40:06Z
source: APNIC
person: Pham Tien Huy
address: VNPT-VN
country: VN
phone: +84-24-37741604
e-mail: huypt@vnpt.vn
nic-hdl: PTH13-AP
mnt-by: MAINT-VN-VNPT
last-modified: 2017-11-19T07:06:20Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)
duhoc-hanquoc.edu.vn domain is not supported
| Host | A Record | TTL |
|---|---|---|
| duhoc-hanquoc.edu.vn | 123.30.186.79 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| duhoc-hanquoc.edu.vn | route3.mx.cloudflare.net | 36 | 300 |
| duhoc-hanquoc.edu.vn | route1.mx.cloudflare.net | 4 | 300 |
| duhoc-hanquoc.edu.vn | route2.mx.cloudflare.net | 60 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| duhoc-hanquoc.edu.vn | nora.ns.cloudflare.com | 86400 |
| duhoc-hanquoc.edu.vn | sean.ns.cloudflare.com | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| duhoc-hanquoc.edu.vn | google-site-verification=AhxdT6ZKeXUUkssYZuHapZTQs46V7FwQ2z7UcNJRevA | 300 |
| duhoc-hanquoc.edu.vn | v=spf1 include:_spf.mx.cloudflare.net ~all | 300 |
nora.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2415279444
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800
not found