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384.9 M

Domains known to webXtrend

9.7 M

New domains in the last 30 days

62.8 M

Social media profiles detected

cert.tw

Get an email when its DNS, website or certificate changes.

cert.tw serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

3,440,677 other domains share an IP address with it.

The most recent crawl returned the page title “ether.fi Cash - The DeFi Native Credit Card” and 19,785 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .tw Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record yes The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 3,440,677 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "cert.tw"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Let's Encrypt
Valid from 9/11/2026
Valid to 12/10/2026
Time until expiry 49 days

Last successful crawl

Title ether.fi Cash - The DeFi Native Credit Card
Description Spend your crypto with the ether.fi Cash card. Earn 3% cashback and keep your yield. Sign up with code 34f79585.
Content-Length 19,785 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
185.199.108.153 5/12/2024
185.199.109.153 5/12/2024
185.199.110.153 5/12/2024
185.199.111.153 5/12/2024
3.113.157.209 12/17/2023
IPv6 address Last updated
2606:50c0:8000:0:0:0:0:153 5/12/2024
2606:50c0:8001:0:0:0:0:153 5/12/2024
2606:50c0:8002:0:0:0:0:153 5/12/2024
2606:50c0:8003:0:0:0:0:153 5/12/2024
2406:da14:b4b:c300:39c8:89aa:fdf2:5b1c 12/17/2023
Mail server Priority Last updated
aspmx.l.google.com 1 1/2/2024
alt1.aspmx.l.google.com 5 1/2/2024
alt2.aspmx.l.google.com 5 1/2/2024
alt3.aspmx.l.google.com 10 1/2/2024
alt4.aspmx.l.google.com 10 1/2/2024
Name server Last updated
javier.ns.cloudflare.com 5/26/2025
tiffany.ns.cloudflare.com 5/26/2025
ns1.cyberdns.tw 12/17/2023
ns2.cyberdns.tw 12/17/2023

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

185.199.108.153 746,641 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzzquan.cn 9/18/2026
zzzyss.top 9/18/2026
zzzstudios.de 10/18/2026
zzzstudio.net 10/20/2026
zzzstrongtea.com 9/21/2026
zzzppplll.cn 9/22/2026
zzzpband.com 9/16/2026
zzzoo.app 9/23/2026
zzzmisa.com 9/16/2026
zzzm.online 9/13/2026
zzzionline.com 9/20/2026
and 746,628 more
185.199.109.153 718,476 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzzquan.cn 9/18/2026
zzzyss.top 9/18/2026
zzzstudios.de 10/18/2026
zzzstudio.net 10/20/2026
zzzstrongtea.com 9/21/2026
zzzppplll.cn 9/22/2026
zzzpband.com 9/16/2026
zzzoo.app 9/23/2026
zzzmisa.com 9/16/2026
zzzm.online 9/13/2026
zzzionline.com 9/20/2026
and 718,463 more
185.199.110.153 713,403 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzzquan.cn 9/18/2026
zzzyss.top 9/18/2026
zzzstudios.de 10/18/2026
zzzstudio.net 10/20/2026
zzzstrongtea.com 9/21/2026
zzzppplll.cn 9/22/2026
zzzpband.com 9/16/2026
zzzoo.app 9/23/2026
zzzmisa.com 9/16/2026
zzzm.online 9/13/2026
zzzionline.com 9/20/2026
and 713,390 more
185.199.111.153 712,627 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzzquan.cn 9/18/2026
zzzyss.top 9/18/2026
zzzstudios.de 10/18/2026
zzzstudio.net 10/20/2026
zzzstrongtea.com 9/21/2026
zzzppplll.cn 9/22/2026
zzzpband.com 9/16/2026
zzzoo.app 9/23/2026
zzzmisa.com 9/16/2026
zzzm.online 9/13/2026
zzzionline.com 9/20/2026
and 712,614 more
2606:50c0:8000::153 141,329 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzyss.top 9/18/2026
zzythu.com 9/13/2026
zzylife.com 9/11/2026
zzx-labs.io 9/18/2026
zzthis.com 10/12/2026
zzsblog.top 9/17/2026
zzrcxb.me 9/16/2026
zzqpro.net 9/15/2026
zzpxyx.com 9/19/2026
zzpw.top 9/16/2026
zzlabs.org 9/19/2026
and 141,316 more
2606:50c0:8001::153 136,529 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzyss.top 9/18/2026
zzythu.com 9/13/2026
zzylife.com 9/11/2026
zzthis.com 10/12/2026
zzsblog.top 9/17/2026
zzrcxb.me 9/16/2026
zzqpro.net 9/15/2026
zzpxyx.com 9/19/2026
zzpw.top 9/16/2026
zzlabs.org 9/19/2026
zzkcode.top 9/16/2026
and 136,516 more
2606:50c0:8002::153 135,939 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzyss.top 9/18/2026
zzythu.com 9/13/2026
zzylife.com 9/11/2026
zzthis.com 10/12/2026
zzsblog.top 9/17/2026
zzrcxb.me 9/16/2026
zzqpro.net 9/15/2026
zzpxyx.com 9/19/2026
zzpw.top 9/16/2026
zzlabs.org 9/19/2026
zzkcode.top 9/16/2026
and 135,926 more
2606:50c0:8003::153 135,733 domains · here since 9/13/2026
Domain On this IP since
zzzzsky.com 9/23/2026
zzzyss.top 9/18/2026
zzythu.com 9/13/2026
zzylife.com 9/11/2026
zzthis.com 10/12/2026
zzsblog.top 9/17/2026
zzrcxb.me 9/16/2026
zzqpro.net 9/15/2026
zzpxyx.com 9/19/2026
zzpw.top 9/16/2026
zzlabs.org 9/19/2026
zzkcode.top 9/16/2026
and 135,720 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.