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Total

DNS

Email

Security

Network

100

Availability

Domainklarna.com

IPv43

IPv60

MX records4

StatusActive

Domain technical report

klarna.com

Generated: 2026-08-08T20:37:00-05:00 · Cached result

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IPv43

IPv60

MX4

NS6

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

4 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

91 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 202

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

3 record(s)

3.173.21.37
3.173.22.37
3.173.23.37

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

4 record(s)

10 mxz2.klarna.com.
10 mxz1.klarna.com.
10 mxz3.klarna.com.
10 mxz4.klarna.com.

TXT

41 record(s)

"apple-domain-verification=u_R7G9MxjFepIDYHi_Dh_pb1cHP2JDVi3YjHw6BOihw"
"v=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"
"loom-verification=4832737805"
"amazonses:KykgeBpcrVVB9Zr3IrycvCOP0+7mILa+kqVe5RGn0HM="
"onetrust-domain-verification=f1cfcf5a17a1443a9840ee7d7d20517b"
"mixpanel-domain-verify=9b202fdc-ac1f-4a22-ab31-530379358732"
"MS=AFBE0235AEF59FC78040593B2746870430B60F53"
"mixpanel-domain-verify=bc248323-2a3e-4a4d-b594-22069eeacf09"
"openai-domain-verification=dv-Ax6dQektADYw5AWqh5zJQkkz"
"h1-domain-verification=SY9BmbpLLmY7DA9pv5ppqWuRxafjboB611VRf4PJp6kSwiZ3"
"_csg9035ikdbiu73g7zsmpudw4q3vyw7"
"paloaltonetworks-site-verification=9fc7984b6999f3550a11c4ae9036973e9c6483762ac61e961845512d27b95dac"
"0ed1fe018a58f0d1fd606946a899401ae0d95bcd20"
"apple-domain-verification=acfAqA586hLCUcGk"
"adobe-idp-site-verification=34ebf3613749ecea2f0d07ba91a8c154e6353b68ae1a8176123eda70be748df5"
"stripe-verification=01edf9ebb08304ab10507250cc4ac81d210810a89dbaa31bc81d850b83fe67fe"
"google-site-verification=tSivwC8Gmcgf0MUeFzuF0kkDXhlwUi_KeWqCGfnZtao"
"stripe-verification=26377af821e53660c46ef45992cb376fcf48b13fec76e30ab132a33d1b28002e"
"anthropic-domain-verification-fn3vqe=ycoyzxdAONanZ2sGPIpe8MZt4"
"google-site-verification=5NxGwc5EEmujkfXUtK7b88RuhR6PL72PYKpBKYGfZpk"
"h1-domain-verification=wdWifkw4XsHWcYgFJZyrGw6ffvhzYkRzkY4pxz4DFMyp4gjE"
"ibmid=c0cb393f-6a6b-4875-9119-fc1ef607d660"
"google-site-verification=rxTlu7Mi6MqURYuLMviRSrorzH0gYs7nPVtIKEj2MMg"
"elevenlabs=MZkBXYIn0-sqg1rXGTn9wfspnAVsbTGOZ_bVeCg9N6c"
"stripe-verification=3d6a91bc028dbc33342d46b7ecdaed2d9b852f14f6c7140357eb3ffc42defac7"
"h1-domain-verification=nX5CSVt8BnnqxGYyqqg2HgidsrZtt4sJQyVEm7oVmzyV2CMe"
"atlassian-sending-domain-verification=338b9828-abdc-47ba-a7cc-ff43879cd676"
"anthropic-domain-verification-zjwwh6=4f79nJP1l04OjYQhOTmuhefC2"
"miro-verification=d95c8724c999fa1af903df65701afb9eaa7be836"
"ms-domain-verification=d1c65262-3b90-4d5d-8c44-f862a882b419"
"notion_verify_GyxABFCztKqRR0DncwDUmHw4eNgV36qRwJmsyPbgEWHr310J2eAonkwC0JVexfxagYDqTv"
"jamf-site-verification=8RO43AzgwKpDVzTrxBPzHg"
"atlassian-domain-verification=kuCcSLhwSU7SWaSfCXQ0pJR783qYIG3A89aiMJH30Zzxef7QUxYwgBtzlCgagYWn"
"docusign=32cd5aff-353b-4525-b6d2-4a13de2e4257"
"cursor-domain-verification-fw4z39=YTxxRNgiXUaYUUzKO4plYQJnj"
"facebook-domain-verification=kpv70oz0on4y0be27rsk0wqpu0llc9"
"mixpanel-domain-verify=0d71a59a-746b-4ac5-a9d3-1fd76f0e4aeb"
"google-site-verification=1x1qTESbVdqnmbawTLX6-6Ur6KRsgpoMw8KzgLLxeJM"
"twilio-domain-verification=a4d26b83fcbaddd8936c2e1cf73acef9"
"docker-verification=04ef223c-b965-41d9-a49a-7ea3fdb19cc9"
"google-site-verification=6_dY5hOGAcQqUZpqOpBDjDr6JaLuvTbZybZ8R8ukw_E"

NS

6 record(s)

a12-65.akam.net.
edns7.ultradns.org.
edns7.ultradns.com.
a1-74.akam.net.
a20-66.akam.net.
a5-64.akam.net.

SOA

1 record(s)

a1-74.akam.net. dns-admin.klarna.com. 2017073629 3600 1200 1209600 600

CAA

8 record(s)

0 issuewild "digicert.com"
0 issue "digicert.com"
0 issue "buypass.no"
0 iodef "mailto:dns-admin@klarna.com"
0 issue "e-szigno.hu"
0 issue "quovadisglobal.com"
0 issue "amazonaws.com"
0 issuewild "amazonaws.com"

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=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

DMARC

Configured

v=DMARC1; p=reject; adkim=r; aspf=r; fo=1; rua=mailto:dmarc-reports@klarna.com

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgu7VsbX27XQlkqUnX7wD66u5zACmCGicuhsDpQ7idINHor0GB8D7k3X0qhya7E42rPiygwfN7RNNOrPeFPfkBb9RM+Ns/0/GMRAySHhqkTdiH6QQjRNZuuzuLvSbl4RJu5gTb9Z3Ghm+pJpVLLEgalVFOH7gE8sfHPNUNgNY/tam+EnAK/ybLTScV5tRvISraH3BEzu8bnwIEOt5QqpG8nlHY6V1CLphTvRSzHV4wqu7vGgXE9K1IlFWAI9ExLVwPs8eJm6/xQ6oXyTbJDfPEnAlp7iGkuOWGdWxxfcPVB0mGGJUP99TF1rT1qv96BWDe67P25NGzXwIHwzsCrRnzQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://klarna.com/

HTTP status

HTTP

Status

HTTP/2 202

Final URL

https://www.klarna.com/

Version

Server

CloudFront

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

klarna.com

Valid from

2025-10-09T19:00:00-05:00

Valid until

2026-11-08T17:59:59-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

✓

Referrer PolicyImplemented

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

3.173.21.37, 3.173.22.37, 3.173.23.37

59,56 ms

Cloudflare

1.1.1.1

3.173.21.37, 3.173.22.37, 3.173.23.37

46,20 ms

Quad9

9.9.9.9

3.173.21.37, 3.173.22.37, 3.173.23.37

253,92 ms

OpenDNS

208.67.222.222

3.173.21.37, 3.173.22.37, 3.173.23.37

53,47 ms

AdGuard

94.140.14.14

3.173.21.37, 3.173.22.37, 3.173.23.37

71,94 ms

IP, geolocation and ASNAssociated network information

3.173.21.37

No data

success

country

region

city

asn

organization

isp

3.173.22.37

No data

success

country

region

city

asn

organization

isp

3.173.23.37

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

mxz2.klarna.com

Port 25: Closed/unreachable - 8.3 ms - 
Port 465: Closed/unreachable - 4022.8 ms - 
Port 587: Closed/unreachable - 103 ms - 220 smtp.klarna.com ESMTP Postfix

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