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Total

DNS

Email

Security

100

Network

Availability

Domainasos.com

IPv42

IPv62

MX records1

StatusActive

Domain technical report

asos.com

Generated: 2026-08-09T00:12:18-05:00 · Cached result

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IPv42

IPv62

MX1

NS8

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

8 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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 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

74 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: a23-33-29-201.deploy.static.akamaitechnologies.com

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

23.33.29.201
23.33.29.208

AAAA

2 record(s)

2600:1407:3c00:17::1740:7286
2600:1407:3c00:17::1740:728b

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 asos-com.mail.protection.outlook.com.

TXT

29 record(s)

"CKO=cli_kapkhojij3ie5ht3hsycexijha"
"google-site-verification=ee9drX1inHSeLwnYcnq6vC-NgpiquAXA2jc9Cs3iHpM"
"google-site-verification=zAI5u-uXSk1SKzKanB5W9Usar-4387dXMN3PZ35-UJU"
"google-site-verification=goRehGj_G_9Hga0MyCpxczVQintWvlXEUKGloThbLfE"
"shopify-verification-code=hDuSllcHJr2LpBmFOoQVKUAkpAACee"
"stripe-verification=48e29927e27375f78230fb7fd869944d24309dd5b5f132e2165c468e376954b0"
"_3u7cg7lnpxy63gupcyth21cbdus1pxa"
"fgFnAm4dYU+jIDQeb9p1KakzKP7+Ma+b0oyNPnQz5cMPTFd5E/vVTzyz3xfuoLSINR1t2Bpp8211BDwi1YBUWQ=="
"adobe-idp-site-verification=51273a5e4f6a0a6b3c6dcde57b8cc217efb00787eae095c97c4c03e43c4f0697"
"d7a5c58e-8947-4063-addb-ed08dd68f5ff"
"openai-domain-verification=dv-GLCLOPFYKW5QycYxG2I79rLb"
"f5910adae04b4bb2b834fdd24ab7fbce"
"mixpanel-domain-verify=7d5f6264-117f-4f10-a9e2-3f59cb0ba7d7"
"docusign=8389f6cb-8d68-4642-85a3-d4303d99475c"
"_vqw10ajfsd2fjjaz75lju5x84lj88zr"
"miro-verification=16f939783197532306b283e5a49867536c662d79"
"bw=Z5xuuX+6owZJQfjh3jDpzAJEHksvAHW7yksLMX/IUoVp"
"anthropic-domain-verification-6th7r2=F8SRxgj5Q0CEfcTu6G64fk9sQ"
"canva-site-verification=AtqU68vHKChemHAufzvnjQ"
"_b62de8qda474hq8x6dl5l0xaciecf7y"
"stripe-verification=b1e83e786a89374368457301ccf0811c5be10ae9c5d0b9b3590f36ec4ba0f759"
"atlassian-domain-verification=gfblClVv/paBkX07q028aaoTPnJXxzOqr0J5NesuL09KvukP/LDaeu6sTGi42qbM"
"v=spf1 include:spfip.asos.com include:spf.protection.outlook.com include:asos.gnatta.com include:em5214.asos.com include:mail.zendesk.com include:em9521.asos.com -all"
"apple-domain-verification=smj2W2mEmn5jyHNN"
"adobe-sign-verification=50c15077b4fe3b0e7495a2c3c6e9a5bf"
"verification_token=trP9U9KsXOl7pseGR0HWaeE2z"
"amazonses:juXOybZL6kWyoPBa60fIXsxr/LyfhgwJU/7noQSnOgE="
"atlassian-domain-verification=39F8CAD7IC+z3STDdDbgH1fWTXX0t+eLQ66rznPoYQBy/6lsBtqD4C8cHp2nLHtH"
"facebook-domain-verification=mpvqshh1zfyunih7g3kbz4emngygtb"

NS

8 record(s)

a11-66.akam.net.
dns2.p09.nsone.net.
a16-67.akam.net.
dns1.p09.nsone.net.
dns4.p09.nsone.net.
dns3.p09.nsone.net.
a1-17.akam.net.
a2-64.akam.net.

SOA

1 record(s)

dns1.p09.nsone.net. hostmaster.nsone.net. 1736939262 3600 600 604800 1800

CAA

7 record(s)

0 issue "sectigo.com"
0 issuewild "amazonaws.com"
0 issuewild "digicert.com"
0 issue "amazonaws.com"
0 issue "digicert.com"
0 issuewild "sectigo.com"
0 iodef "mailto:domains@asos.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:spfip.asos.com include:spf.protection.outlook.com include:asos.gnatta.com include:em5214.asos.com include:mail.zendesk.com include:em9521.asos.com -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:6904cc03@inbox.ondmarc.com,mailto:asos@rua.netcraft.com; ruf=mailto:6904cc03@inbox.ondmarc.com,mailto:asos@ruf.netcraft.com;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCam9roOQdpB+xrTkj2nloMgJn8SUkVBPiX1qYLmhS0q0AB+mGZGKUcNfBdfXQOA5xWDANP6e4sz78eQCqXoo4MMEMPr3aJ7dyzbV3BCVdxBqTJalfc49gT1hs2LO66oktzrr6GYqq3UTk2aVhydGuw+RFVK5Zm4YDEIAzTPfX/twIDAQAB; n=1024,1450897983,1466709183

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://asos.com/

HTTP status

HTTP

Status

Final URL

https://www.asos.com/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

www.asos.com

Valid from

2026-04-06T19:00:00-05:00

Valid until

2026-10-22T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

23.33.29.201, 23.33.29.208

73,35 ms

Cloudflare

1.1.1.1

23.33.29.201, 23.33.29.208

54,20 ms

Quad9

9.9.9.9

23.222.241.143, 23.222.241.144

104,31 ms

OpenDNS

208.67.222.222

23.33.29.201, 23.33.29.208

34,81 ms

AdGuard

94.140.14.14

23.33.40.144, 23.33.40.151

72,02 ms

IP, geolocation and ASNAssociated network information

23.33.29.201

No data

success

country

region

city

asn

organization

isp

23.33.29.208

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

asos-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 35.5 ms - 
Port 465: Closed/unreachable - 4017.4 ms - 
Port 587: Closed/unreachable - 4044.2 ms -

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