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382.5 M

Registered domains

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New domains in the last 30 days

64.8 M

Social media profiles detected

robertholden.com

robertholden.com serves a website of its own over HTTPS and under www. It answers on both IPv4 and IPv6, with a TLS certificate that does not validate and MX records for mail.

1,082 other domains share an IP address with it, and 12 domains redirect to it.

The most recent crawl returned the page title “Home | Robert Holden, Ph.D.” and 205,066 bytes of HTML. The site links to Instagram, Facebook, Twitter, Pinterest and YouTube profiles.

Domain properties

Property Value Explanation
First seen unknown 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 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. yes 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 invalid Shows whether the domain has a valid SSL certificate.
Redirects 12 Number of domains that redirect to this domain.
Reverse IP 1,082 Number of domains with the same IP(s).

Last successful crawl

Title Home | Robert Holden, Ph.D.
Description (not set)
Content-Length 205,066 bytes

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

Last SSL certificate

No certificate data available for this domain.

DNS history

IPv4 address Last updated
208.80.122.141 12/6/2023
208.80.122.52 12/6/2023
208.80.123.124 12/6/2023
208.80.123.143 12/6/2023
IPv6 address Last updated
2600:1803:10a:0:0:0:0:5a 12/6/2023
2600:1803:10b:0:0:0:0:5c 12/6/2023
2600:1803:10c:0:0:0:0:13 12/6/2023
2600:1803:10d:0:0:0:0:5c 12/6/2023
Mail server Priority Last updated
robertholden.com.1.0001.arsmtp.com 10 1/2/2024
robertholden.com.2.0001.arsmtp.com 20 1/2/2024
Name server Last updated
ns1.hh-dns.com 12/6/2023
ns2.hh-dns.com 12/6/2023
ns3.hh-dns.com 12/6/2023
ns4.hh-dns.com 12/6/2023
ns5.hh-dns.com 12/6/2023

Last 5 redirect domains

Domain Last seen
robertholden.org 10/3/2026
drrobertholden.com 9/29/2026
robertholden.info 9/15/2026
behappy.net 1/19/2026
robertholden.co.uk 8/11/2024
successintelligence.net 8/9/2024
robertholden.tv 8/9/2024
robertholden.biz 8/6/2024
robert-holden.com 8/6/2024
robertholden.co 7/18/2024
robertholden.org.uk 6/13/2024
loveability.net 1/25/2024

Reverse IP neighbours

2600:1803:10a::5a 558 domains · here since 9/19/2026
Domain On this IP since
zanelucas.com 9/23/2026
wymannationalnetwork.com 9/14/2026
wowcupusa.com 9/22/2026
worldrecordknife.com 9/23/2026
workspaceiq.nz 9/21/2026
windowcontrols.co.nz 9/21/2026
whoknewbook.com 9/14/2026
weightworld.com.au 9/17/2026
weightworld.co.nz 9/19/2026
weddingcelebrantchristchurch.co.nz 9/12/2026
watermains.co.nz 9/22/2026
vervecatering.nz 9/20/2026
and 545 more
2600:1803:10b::5c 265 domains · here since 9/19/2026
Domain On this IP since
zanelucas.com 9/23/2026
wymannationalnetwork.com 9/14/2026
wordminer.com 9/17/2026
weightworld.com.au 9/17/2026
weightworld.co.nz 9/19/2026
vulcraft-ne.com 9/16/2026
voiceminer.com 9/15/2026
verified-domain.com 9/13/2026
upstagevideo.com 9/16/2026
ultradoc.eu 9/19/2026
ultradoc.com 9/13/2026
ultradoc.co.uk 9/23/2026
and 252 more
208.80.123.124 111 domains · here since 9/19/2026
Domain On this IP since
xtractresearch.net 9/19/2026
wallstreetsystems.us 9/23/2026
wallstreetbackoffice.com 9/19/2026
vdmnavigator.com 9/18/2026
unquoteprivateequitysummit.com 9/14/2026
unquotenordicpeawards.com 9/22/2026
unquoteintelligence.com 9/20/2026
unquoteevents.com 9/19/2026
timequities.com 9/18/2026
ticketbuilder.com 9/20/2026
suzeormaninsurance.com 9/19/2026
robertholden.org 9/21/2026
and 98 more
208.80.122.52 90 domains · here since 9/19/2026
Domain On this IP since
suzukisepdirect.com 9/13/2026
suzukisep.com 9/16/2026
suzeormaninsurance.com 9/19/2026
stromberg.golf 9/18/2026
stromberg-golf.com 9/22/2026
stromberg-golf.co.uk 9/20/2026
squirrelslair.com 9/13/2026
squirrelslair.co.uk 9/15/2026
smart-voice.io 9/20/2026
secureyourstore.com 9/21/2026
robertholden.org 9/21/2026
risemiamidade.org 9/23/2026
and 77 more
208.80.123.143 20 domains · here since 9/19/2026
Domain On this IP since
suzeormaninsurance.com 9/19/2026
smarterlifedesign.com 9/15/2026
robertholden.org 9/21/2026
paysbig.net 9/15/2026
melindasgardenmoments.com 9/16/2026
melindasgardenmoment.com 9/12/2026
melindaschoice.com 9/15/2026
melindas-choice.com 9/15/2026
melindameyers.com 9/19/2026
malindaschoice.com 9/18/2026
malindamyers.com 9/23/2026
malindameyers.com 9/19/2026
and 7 more
208.80.122.141 18 domains · here since 9/19/2026
2600:1803:10c::13 10 domains · here since 9/19/2026
Domain On this IP since
suzeormaninsurance.com 9/19/2026
robertholden.org 9/21/2026
louisehay.com 9/13/2026
hayhousedev1.com 9/21/2026
hayhousedev.com 9/12/2026
hayhouseauthors.com 9/18/2026
hayfoundation.org 9/18/2026
eatlikeagirlcookbook.com 9/19/2026
drwaynedyer.com 9/21/2026
2600:1803:10d::5c 10 domains · here since 9/19/2026
Domain On this IP since
suzeormaninsurance.com 9/19/2026
robertholden.org 9/21/2026
louisehay.com 9/13/2026
hayhousedev1.com 9/21/2026
hayhousedev.com 9/12/2026
hayhouseauthors.com 9/18/2026
hayfoundation.org 9/18/2026
eatlikeagirlcookbook.com 9/19/2026
drwaynedyer.com 9/21/2026

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.