rsc.dev

rsc.dev 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.

471 other domains share an IP address with it.

The most recent crawl returned the page title “Calgary Custom Software Development | Razor Sharp Consulting” and 132,323 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.dev	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	471	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": "rsc.dev"}'

Create a free account Read the API docs

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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	Amazon
Valid from	8/13/2026
Valid to	2/27/2027
Time until expiry	131 days

Last successful crawl

Title	Calgary Custom Software Development \| Razor Sharp Consulting
Description	Senior-led Canadian custom software development. Selective enterprise partnerships for complex web and mobile applications, operational efficiency, compliance workflows, and automation.
Content-Length	132,323 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
13.32.99.18	8/16/2026
13.32.99.35	8/16/2026
13.32.99.39	8/16/2026
13.32.99.51	8/16/2026
35.87.128.192	12/9/2023

IPv6 address	Last updated
2600:9000:2251:2000:1d:ca9d:1c80:93a1	10/12/2026
2600:9000:2251:4600:1d:ca9d:1c80:93a1	10/12/2026
2600:9000:2251:6400:1d:ca9d:1c80:93a1	10/12/2026
2600:9000:2251:6600:1d:ca9d:1c80:93a1	10/12/2026
2600:9000:2251:7200:1d:ca9d:1c80:93a1	10/12/2026

Mail server	Priority	Last updated
aspmx.l.google.com	1	12/30/2023
alt1.aspmx.l.google.com	5	12/30/2023
alt2.aspmx.l.google.com	5	12/30/2023
aspmx2.googlemail.com	10	12/30/2023
aspmx3.googlemail.com	10	12/30/2023

Name server	Last updated
ns-1216.awsdns-24.org	12/9/2023
ns-1932.awsdns-49.co.uk	12/9/2023
ns-689.awsdns-22.net	12/9/2023
ns-72.awsdns-09.com	12/9/2023

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

108.157.4.77 118 domains · here since 10/13/2026

Domain	On this IP since
zithara.ai	10/10/2026
youform.eu	10/11/2026
xs9999.vip	9/28/2026
xn--sh1b6nw5n8pcxvw8ib.kr	10/4/2026
xn--oi2bpqj67afhc9xkx7i.com	9/24/2026
xn--o80bp9mxvdy0mp9adya.com	9/29/2026
winslink.co.jp	10/9/2026
weld.so	10/14/2026
uforpligtendedating.dk	10/11/2026
turmalinapiedras.com.ar	10/4/2026
ttmc.kr	10/18/2026
translove24.de	10/17/2026
and 105 more

108.157.4.96 118 domains · here since 10/13/2026

Domain	On this IP since
yogaatelier.kr	10/12/2026
yangmury.kr	10/15/2026
yangjione.co.kr	10/17/2026
xn--p89a9p24ketydhq.kr	10/1/2026
xn--js0bv2emth0snwwb.com	10/16/2026
wangi198i9.shop	10/11/2026
vividinteractive.co.kr	10/4/2026
vanvi.kr	10/17/2026
vandetan.com	10/9/2026
unipack.co.kr	9/18/2026
tunad.com.br	10/15/2026
tramares.com.ar	10/16/2026
and 105 more

108.157.4.102 114 domains · here since 10/13/2026

Domain	On this IP since
zedoceramic.com	10/15/2026
zamled.com	10/2/2026
yesspinyyy.com	10/9/2026
yesspinxx.com	10/16/2026
yesspinwww.com	9/28/2026
yesspinww.com	10/11/2026
yesspinrr.com	10/12/2026
yesspinkk.com	10/12/2026
yesspinjjj.com	10/10/2026
yesspinhh.com	10/10/2026
yesspinggg.com	10/14/2026
yesspincc.com	10/3/2026
and 101 more

108.157.4.89 112 domains · here since 10/13/2026

Domain	On this IP since
zerowave.kr	9/15/2026
zeroff.kr	10/12/2026
yeomjihee.com	9/26/2026
yangmury.kr	10/15/2026
xn--s39ar0an6jsyj91be2jder33dbf4a.com	10/13/2026
xn--jj0b577a9gb93do6cdyxdvg2ma.com	9/28/2026
warrinerchiropractic.com	10/4/2026
wan-life.app	10/12/2026
virtualvoicebridge.com	10/9/2026
uifnc.co.kr	10/12/2026
topepsilon.yoga	10/13/2026
toneontone.kr	10/16/2026
and 99 more

2600:9000:2251:6400:1d:ca9d:1c80:93a1 2 domains · here since 10/13/2026

Domain	On this IP since
razorsharpconsulting.com	10/14/2026

2600:9000:2251:1200:1d:ca9d:1c80:93a1 1 domain · here since 10/13/2026

Domain	On this IP since
No other domains on this address.

2600:9000:2251:2600:1d:ca9d:1c80:93a1 1 domain · here since 10/13/2026

Domain	On this IP since
No other domains on this address.

2600:9000:2251:7e00:1d:ca9d:1c80:93a1 1 domain · here since 10/13/2026

Domain	On this IP since
No other domains on this address.

2600:9000:2251:8000:1d:ca9d:1c80:93a1 1 domain · here since 10/13/2026

Domain	On this IP since
No other domains on this address.

2600:9000:2251:8e00:1d:ca9d:1c80:93a1 1 domain · here since 10/13/2026

Domain	On this IP since
No other domains on this address.

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.

Dive into our data, search now!