Domain technical report
A&O Shearman, global law firm
aoshearman.com
We’re a global law firm focused on understanding client goals, delivering practical legal solutions and advice for complex business challenges worldwide.
IPv41
IPv60
MX2
NS4
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75
Total
75
DNS
70
Email
81
Security
20
Network
100
Availability
Domainaoshearman.com
IPv41
IPv60
MX records2
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
1 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
4 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
2 MX record(s).
SPF25 / 25 pts · Mail
SPF policy published.
DMARC25 / 25 pts · Mail
DMARC policy published.
DKIM0 / 20 pts · Mail
No tested DKIM selector responded.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
205 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers16 / 35 pts · Security
4 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity20 / 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/2 200
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
1 record(s)76.76.21.21
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 mxa-00937d03.gslb.pphosted.com. 10 mxb-00937d03.gslb.pphosted.com.
TXT
20 record(s)"msfpkey=4a7pqebmcxlv6myq4c821yzm2" "_6l5tu2fvr1bzwxq5mzarygyll3i6qgj" "v=spf1 include:spf-00937d01.pphosted.com include:_u.aoshearman.com._spf.smart.ondmarc.com ~all" "google-site-verification=uOcEmVrIoCCUwBCuEdwSTdCAd9MVzS6c4XBsaB7AAYM" "docusign=dcdaf7ae-277d-4d7f-afec-3aa7518a7aac" "teamviewer-sso-verification=6b103f70d4634434a2bb8c3738b9b4da" "MS=ms27083081" "sitecore-domain-verification=f88e934726e44e5790d7c7a53474ed5f" "MS=ms59525928" "docusign=7dde639d-8b08-46e0-942a-8fe4f10bfde1" "google-gws-recovery-domain-verification=53530129" "cisco-ci-domain-verification=e820de4d220c48c9fb2f5c6ed947a1281dfcd3c38c76e577d58114433556b29" "pexip-portal-domain-verification=a468ac1c-cf6b-4206-b777-4afd5abb8132" "docusign=390d8e00-8e11-40ab-bd99-7edf767554aa" "monday-com-verification=VuhOwD-wXgrKutQm3g6pfLVEzltWylqze2jEfMMPZvU" "docusign=369e5939-27af-46ae-a898-160fd0bc0665" "google-site-verification=e9cg09DNe0yqPgqWB2QC2M9xtFlDkroHV-44p5YIREQ" "apple-domain-verification=3n2Jn5Ebb04O9lbT" "spycloud-domain-verification=93473084-af08-47c0-8a28-d7da6816b14b" "paloaltonetworks-site-verification=6ea088938e3908d5972ea3623286693aeac0a4b57a7a97864a0680a97897760a"
NS
4 record(s)ns1-32.azure-dns.com. ns4-32.azure-dns.info. ns2-32.azure-dns.net. ns3-32.azure-dns.org.
SOA
1 record(s)ns1-32.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
CAA
8 record(s)0 issue "letsencrypt.org" 0 issuewild "sectigo.com" 0 iodef "webteam@aoshearman.com" 0 issue "sectigo.com" 0 issue "digicert.com" 0 issue "godaddy.com" 0 issue "awstrust.com" 0 issuewild "digicert.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
Configuredv=spf1 include:spf-00937d01.pphosted.com include:_u.aoshearman.com._spf.smart.ondmarc.com ~all
DMARC
Configuredv=DMARC1; p=reject; pct=100; sp=quarantine; rua=mailto:d75cbc11@inbox.ondmarc.com; ruf=mailto:d75cbc11@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
A&O Shearman, global law firm
Description
We’re a global law firm focused on understanding client goals, delivering practical legal solutions and advice for complex business challenges worldwide.
Final URL
https://www.aoshearman.com/en
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://www.aoshearman.com/en
Version
3
Server
Vercel
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Sectigo Limited
CN
aoshearman.com
Valid from
2026-03-04T18:00:00-06:00
Valid until
2027-03-05T17:59:59-06:00
Days remaining
205
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
4 activeHSTSImplemented
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.876.76.21.21
72,84 ms
Cloudflare
1.1.1.176.76.21.21
31,81 ms
Quad9
9.9.9.976.76.21.21
27,69 ms
OpenDNS
208.67.222.22276.76.21.21
110,06 ms
AdGuard
94.140.14.1476.76.21.21
94,84 ms
IP, geolocation and ASNAssociated network information
76.76.21.21
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
216.73.216.212
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
mxa-00937d03.gslb.pphosted.com
Port 25: Closed/unreachable - 28.4 ms - Port 465: Closed/unreachable - 155.5 ms - Port 587: Closed/unreachable - 97.1 ms -