Stackup.fi belongs to CLOUDFLARESPECTRUM Cloudflare, Inc., GB. Check the list of other websites hosted by CLOUDFLARESPECTRUM Cloudflare, Inc., GB.
In terms of rank-to-traffic ratio, stackup.fi has 1,890 unique users per day, viewing 3,817 pages. The rank based value of stackup.fi is 2,854 USD. Every user makes 2.14 pageviews on average.
Stackup.fi boasts a link base consisting of 197 referring domains and 230 external backlinks, as revealed by the data obtained from web network scanning.
Stackup.fi top-level domain belongs to .FI domain zone. Check other webpages in .FI zone.
According the last verification test in October 12, 2025, stackup.fi has an expired SSL certificate issued by Let's Encrypt (expired on November 28, 2025). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.
Based on data from Symantec stackup.fi is a fairly safe domain.





| Domain | stackup.fi |
| Issuer Organization | Let's Encrypt |
| Issuer | R13 |
| Algorithm | RSA-SHA256 |
| Valid form | 08/30/2025 |
| Expiration | 11/28/2025 |
| Signed | Certificate is not self signed |
| Additional Domains |
stackup.fi |
Alexa Rank shows how popular stackup.fi is in comparison with other sites. The most popular site has Alexa Rank equals 1. If stackup.fi has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to stackup.fi and pageviews on stackup.fi over the past 3 months.
ASN ID: 209242
ASN Title: CLOUDFLARESPECTRUM Cloudflare, Inc., GBLast Update: 06/16/2026
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2020, American Registry for Internet Numbers, Ltd.
#
No match found for a 209242.
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2020, American Registry for Internet Numbers, Ltd.
#
domain.............: stackup.fi
status.............: Registered
created............: 22.10.2024 09:34:42
expires............: 22.10.2027 09:34:42
available..........: 22.11.2027 09:34:42
modified...........: 21.9.2026 09:41:41
RegistryLock.......: no
Nameservers
nserver............: ns-736.awsdns-28.net [OK]
nserver............: ns-1606.awsdns-08.co.uk [OK]
nserver............: ns-360.awsdns-45.com [OK]
nserver............: ns-1065.awsdns-05.org [OK]
DNSSEC
dnssec.............: no
Holder
name...............: Stackup Finance, Inc
register number....: 61-2004732
address............: 10000 Washington Blvd
postal.............: 90232
city...............: Culver City
country............: United States of America
phone..............:
holder email.......:
Registrar
registrar..........: Gandi SAS
www................: www.gandi.net
>>> Last update of WHOIS database: 24.10.2026 7:47:42 (EET)
| Host | A Record | TTL |
|---|---|---|
| stackup.fi | 75.2.70.75 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| stackup.fi | smtp.google.com | 1 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| stackup.fi | ns-1065.awsdns-05.org | 172800 |
| stackup.fi | ns-1606.awsdns-08.co.uk | 172800 |
| stackup.fi | ns-360.awsdns-45.com | 172800 |
| stackup.fi | ns-736.awsdns-28.net | 172800 |
| Host | TXT Record | TTL |
|---|---|---|
| stackup.fi | google-site-verification=mgsIH6_JQvJe4tdTSWXXjoZoJTJ0SDex4dSuIh5ny5g | 300 |
| stackup.fi | google-site-verification=mxDXlFjIGMPIOxgKVNdf8m_KyJiGsAcKEDuvqC8kbk8 | 300 |
| stackup.fi | v=spf1 include:23377954.spf10.hubspotemail.net -all | 300 |
ns-360.awsdns-45.com
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
not found