Dahann.com.tw 大漢易經書院_線上教學_線上教育
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Server IP address resolved: Yes
Http response code: 200
Response time: 0.20 sec.
Last Checked: 12/06/2025
Dahann.com.tw attracts 2,216 unique visitors daily, generating 4,432 pageviews. The estimated value of dahann.com.tw is 3,338 USD. Each visitor views approximately 2.14 pages on average.
Dahann.com.tw is hosted by Hosteons Pte. Ltd. Check out other websites hosted by Hosteons Pte. Ltd.
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Dahann.com.tw is registered with the .TW top-level domain. Explore additional websites within the .TW zone.
A recent examination on (June 27, 2025), indicates that dahann.com.tw has an expired SSL certificate issued by Let's Encrypt (expired on July 27, 2025). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.
According to Symantec dahann.com.tw appears to be a safe domain.
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Norton ConnectSafe evaluates dahann.com.tw for any unsafe and insecure content. The results are critical for families with young children.

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| Domain | dahann.com.tw |
| Issuer Organization | Let's Encrypt |
| Issuer | R11 |
| Algorithm | RSA-SHA256 |
| Valid form | 04/28/2025 |
| Expiration | 07/27/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
dahann.com.tw |
ASN ID: 142036
ASN Title: Hosteons Pte. Ltd.
Last Update: 06/27/2025
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS141626 - AS142649'
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tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2020-10-21T04:09:48Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
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notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS142036'
% Abuse contact for 'AS142036' is 'abuse@hosteons.com'
aut-num: AS142036
as-name: HOSTEONS-AS-AP
descr: Hosteons Pte. Ltd.
descr: 19 Kim Keat Road
descr: # 02-07 Fu Tsu Building
country: SG
remarks: All abuse and legal correspondence please send to noc@hosteons.com
remarks: https://hosteons.com
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last-modified: 2023-08-04T06:27:58Z
source: APNIC
irt: IRT-HOSTEONSPTELTD-SG
address: 19 Kim Keat Road, # 02-07 Fu Tsu Building, Singapore 328804
e-mail: abuse@hosteons.com
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auth: # Filtered
remarks: abuse@hosteons.com was validated on 2023-07-04
mnt-by: MAINT-HOSTEONSPTELTD-SG
last-modified: 2023-07-04T13:18:46Z
source: APNIC
organisation: ORG-HPL9-AP
org-name: Hosteons Pte. Ltd.
country: SG
address: 19 Kim Keat Road
address: # 02-07 Fu Tsu Building
phone: +6531584717
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mnt-ref: APNIC-HM
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last-modified: 2021-04-23T12:56:52Z
source: APNIC
role: ABUSE HOSTEONSPTELTDSG
address: 19 Kim Keat Road, # 02-07 Fu Tsu Building, Singapore 328804
country: ZZ
phone: +000000000
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admin-c: HPLA8-AP
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remarks: Generated from irt object IRT-HOSTEONSPTELTD-SG
remarks: abuse@hosteons.com was validated on 2023-07-04
abuse-mailbox: abuse@hosteons.com
mnt-by: APNIC-ABUSE
last-modified: 2023-07-04T13:19:31Z
source: APNIC
role: Hosteons Pte Ltd administrator
address: 19 Kim Keat Road, #02-07 Fu Tsu Building, Singapore 328804
country: SG
phone: +6531584717
fax-no: +6531584717
e-mail: abuse@hosteons.com
admin-c: HPLA8-AP
tech-c: HPLA8-AP
nic-hdl: HPLA8-AP
mnt-by: MAINT-HOSTEONSPTELTD-SG
last-modified: 2020-07-12T14:52:41Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.23-SNAPSHOT (WHOIS-US4)
Domain Name: dahann.com.tw
Domain Status: clientRenewProhibited,clientUpdateProhibited,clientDeleteProhibited,clientTransferProhibited
Registrant:
Da \u6f22Yi \u7d93\u66f8Yuan
dahannalex@gmail.com
TW
(Redacted for privacy)
Administrative Contact:
(Redacted for privacy)
Technical Contact:
(Redacted for privacy)
Record expires on 2025-12-22 08:11:28 (UTC+8)
Record created on 2022-12-22 08:11:28 (UTC+8)
Domain servers in listed order:
ns15.domaincontrol.com
ns16.domaincontrol.com
Registration Service Provider: GoDaddy
Registration Service URL: http://www.GoDaddy.com/
Provided by Registry Services, LLC. Registry Gateway Services
| Host | A Record | TTL |
|---|---|---|
| dahann.com.tw | 82.29.67.161 | 600 |
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|---|---|
| dahann.com.tw | ns15.domaincontrol.com | 3600 |
| dahann.com.tw | ns16.domaincontrol.com | 3600 |
| Host | TXT Record | TTL |
|---|
ns15.domaincontrol.com
TTL: 3600
Email address: dns.jomax.net
Serial: 2025042803
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 600
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