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382.5 M

Registered domains

9.1 M

New domains in the last 30 days

64.6 M

Social media profiles detected

designingcities.org

designingcities.org serves a website of its own over HTTPS. It answers on IPv4 only, with a valid TLS certificate.

24 other domains share an IP address with it.

The most recent crawl returned the page title “Bizzabo | 404 | Social Networking in conferences, meetups and events made easy with Bizzabo’s mobile networking solution” and 3,829 bytes of HTML. webXtrend first recorded it on .

Domain properties

Property Value Explanation
First seen 11/15/2014 Date the domain was first seen.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record no 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 only IPv4 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 24 Number of domains with the same IP(s).

Detected social media networks

No social networks found on this website.

Last successful crawl

Title Bizzabo | 404 | Social Networking in conferences, meetups and events made easy with Bizzabo’s mobile networking solution
Description The file you have been looking for on Bizzabo's server is not found
Content-Length 3,829 bytes

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

Last SSL certificate

Issuer Amazon
Valid from 9/22/2026
Valid to 4/8/2027
Time until expiry 183 days

DNS history

IPv4 address Last updated
18.155.173.107 10/6/2026
18.155.173.110 10/6/2026
18.155.173.23 10/6/2026
18.155.173.58 10/6/2026
13.227.47.30 9/27/2026
IPv6 address Last updated
2600:9000:2199:4400:1b:a3f8:c40:93a1 5/17/2026
2600:9000:2199:4a00:1b:a3f8:c40:93a1 5/17/2026
2600:9000:2199:7800:1b:a3f8:c40:93a1 5/17/2026
2600:9000:2199:7a00:1b:a3f8:c40:93a1 5/17/2026
2600:9000:2199:8400:1b:a3f8:c40:93a1 5/17/2026
Mail server Priority Last updated
mx1.us.opalstack.com 10 12/31/2023
mx2.us.opalstack.com 10 12/31/2023
Name server Last updated
dns1.registrar-servers.com 3/14/2026
dns2.registrar-servers.com 3/14/2026
ns1.us.opalstack.com 12/10/2023
ns2.us.opalstack.com 12/10/2023
ns3.us.opalstack.com 12/10/2023

Last 5 redirect domains

No domains found.

Reverse IP neighbours

18.173.121.6 9 domains · here since 9/29/2026
Domain On this IP since
worldskins.com 10/1/2026
worldrubbermen.com 10/4/2026
worldleathermen.com 10/3/2026
websitescms.info 9/29/2026
ringertech.org 9/14/2026
oaklandcouncil.net 9/30/2026
melissathomas.wedding 9/28/2026
fetishweek.london 10/3/2026
18.173.121.46 8 domains · here since 9/29/2026
Domain On this IP since
saludios.com 9/18/2026
pickup.cards 9/29/2026
jleepharmaceuticalconsulting.com 9/28/2026
freshmural.com 10/4/2026
bulgerolllab.shop 9/16/2026
aprilprichard.net 9/28/2026
abahomei.com 9/29/2026
18.173.121.89 5 domains · here since 9/29/2026
Domain On this IP since
rowlandheightsappliances.com 9/22/2026
maidensofmahjong.com 10/5/2026
dermofmiami.com 9/21/2026
coldbay.shop 10/3/2026
18.173.121.72 2 domains · here since 9/29/2026
Domain On this IP since
live-healthy-network.com 10/1/2026

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.