Domain lookup
klarna.com
Hosted by Amazon.com, Inc. (AS16509) in United States · Tranco rank #2,377 · 🇫🇷 Top 10K in France · registered 2008
Hosting
3.173.21.37AS16509 Amazon.com, Inc. · 🇺🇸 United States · Clean
3.173.22.37AS16509 Amazon.com, Inc. · 🇺🇸 United States · Clean
3.173.23.37AS16509 Amazon.com, Inc. · 🇺🇸 United States · Clean
Technologies
Home pageProtected by an anti-bot page: the site itself could not be analysed
Web serverAmazon
CDN / protectionAmazon CloudFront
ProtocolTLS 1.3 · HTTP/3
Security headersHSTS 6+ months CSP Frame protection nosniff Referrer-Policy
SourceHome page probe · 4 Oct 2026 · statistics · about this probe
DNS records
Name serversAkamai Vercara UltraDNS
a1-74.akam.net
a12-65.akam.net
a20-66.akam.net
a5-64.akam.net
edns7.ultradns.com
edns7.ultradns.org
a1-74.akam.net
a12-65.akam.net
a20-66.akam.net
a5-64.akam.net
edns7.ultradns.com
edns7.ultradns.org
Mail servers10 mxz1.klarna.com
10 mxz2.klarna.com
10 mxz3.klarna.com
10 mxz4.klarna.com
10 mxz2.klarna.com
10 mxz3.klarna.com
10 mxz4.klarna.com
SPFv=spf1 include:sendgrid.net include:_spf.google.com include:_spf.atlassian.net include:spf-0098b101.pphosted.com ip4:18.159.145.12 ip4:18.156.64.82 ip4:54.77.2.88 ip4:54.72.124.243 -all
DMARCv=DMARC1; p=reject; adkim=r; aspf=r; fo=1; rua=mailto:dmarc-reports@klarna.com
Registration
RegistrarCSC Corporate Domains, Inc. (IANA #299)
Created2008-12-12 · 17 years ago
Expires2026-12-12 · in 2 months
Last changed2025-12-08
Statustransfer locked
DNSSECnot signed
SourceRDAP · rdap.verisign.com
Other popular domains on 3.173.21.37
pricerunner.comTranco #38,071
pricerunner.dkTranco #45,923
klarna.appTranco #73,167
pricerunner.seTranco #80,580
sofort.deTranco #81,809
sofort.comTranco #135,395
apprl.comTranco #154,913
klarna.deTranco #345,956
Known domains: the Tranco top 1M (most popular sites worldwide), the sites most visited in 238 countries (Chrome UX Report), every active .fr domain (AFNIC open data), every .nu, .ee, .se, .ch, .li, .sk domain (registry zone files), every domain of 1021 generic TLDs such as .org, .pro, .cloud (ICANN CZDS zone files) and domains seen in new certificates (Certificate Transparency logs, .com and .net included, collected since 30 September 2026), resolved regularly — updated continuously, last update 2026-10-09. Not exhaustive: other sites may share this address.
From our weekly resolution of the Tranco top 1M (last run 2026-10-03). JSON: /domain/klarna.com?format=json