gradecentric.com

gradecentric.com 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.

41,757,539 other domains share an IP address with it, and one domain redirects to it.

The most recent crawl returned the page title “GradeCentric — Grade & GPA Calculators” and 55,160 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.com	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	1	Number of domains that redirect to this domain.
Reverse IP	41,757,539	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": "gradecentric.com"}'

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	Google Trust Services
Valid from	9/20/2026
Valid to	12/19/2026
Time until expiry	61 days

Last successful crawl

Title	GradeCentric — Grade & GPA Calculators
Description	Easily track and calculate your grades with GradeCentric's intuitive grade and GPA calculation tools.
Content-Length	55,160 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
104.21.58.243	5/30/2026
172.67.166.72	5/30/2026
216.198.79.65	5/22/2026
64.29.17.65	5/22/2026
104.21.58.243	4/24/2026

IPv6 address	Last updated
2606:4700:3030:0:0:0:6815:3af3	7/3/2026
2606:4700:3030:0:0:0:ac43:a648	7/3/2026
2606:4700:3032:0:0:0:ac43:a648	4/24/2026
2606:4700:3037:0:0:0:6815:3af3	4/24/2026
2a06:98c1:3120:0:0:0:0:0	4/17/2026

Mail server	Priority	Last updated
mx1-usg1.ppe-hosted.com	0	5/22/2026
mx2-usg1.ppe-hosted.com	0	5/22/2026
mx3-usg1.ppe-hosted.com	0	5/22/2026
gradecentric-com.mail.protection.outlook.com	0	1/4/2024

Name server	Last updated
abby.ns.cloudflare.com	12/8/2023
osmar.ns.cloudflare.com	12/8/2023

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

Most recent redirect domains

Domain	Last seen
gpacalc.com	10/10/2026

Reverse IP neighbours

188.114.96.3 10,482,451 domains · here since 10/11/2026

Domain	On this IP since
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	9/13/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
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zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
zzzzzn.com	9/20/2026
and 10,482,438 more

188.114.97.3 10,482,451 domains · here since 10/11/2026

Domain	On this IP since
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	9/13/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
zzzzzn.com	9/20/2026
and 10,482,438 more

2a06:98c1:3120::3 10,396,320 domains · here since 10/11/2026

Domain	On this IP since
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
zzzzzn.com	9/20/2026
zzzzzhibo20.com	10/17/2026
and 10,396,307 more

2a06:98c1:3121::3 10,396,317 domains · here since 10/11/2026

Domain	On this IP since
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
zzzzzn.com	9/20/2026
zzzzzhibo20.com	10/17/2026
and 10,396,304 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.

Dive into our data, search now!