Domain Intelligence Report

linkedin.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

7
DNS record types
129d
SSL cert remaining
14
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for linkedin.com.

A 1 record
  • 150.171.22.12
AAAA 1 record
  • 2620:1ec:50::12
MX 4 records
  • 20 mail.linkedin.com.
  • 10 mail-a.linkedin.com.
  • 10 mail-c.linkedin.com.
  • 10 mail-d.linkedin.com.
TXT 22 records
  • "google-site-verification=vfmYHwjzUIFPzxFcyuwEToh_1kG9wvcpGgJnB-MhQn8"
  • "atlassian-sending-domain-verification=3bdb0597-814d-4e10-a552-5cf78f92ab3c"
  • "448e0dc03e935ecf66d81f1ce3c26b2f2fea13756c031ffc4be91749107f3a79"
  • "vmware-cloud-verification-f4d7c1c7-ad66-450f-82fa-c17b9ee79459"
  • "google-site-verification=X0LoSQsAMzR-TK4o-ULrYAwLi_fyopfRLkm_C-4N4Ts"
  • "google-site-verification=mMV_EnYaB52OhMo-jbNowf8QVIKcXV3WpXreynLFFEo"
  • "bluebeam-verification=02px6k8snlrzd6gx3b3oqkeatbzawd"
  • "liveramp-site-verification=yQ2nkwhqszpGRQg_J38S60KHInPVs-dclgyNRtRrlBA"
  • "v=spf1 ip4:199.101.162.0/25 ip4:108.174.3.0/24 ip4:108.174.6.0/24 ip4:108.174.0.0/24 ip6:2620:109:c00d:104::/64 ip6:2620:109:c006:104::/64 ip6:2620:109:c003:104::/64 ip6:2620:119:50c0:207::/64 ip4:199.101.161.130 mx mx:docusign.net ~all"
  • "google-site-verification=VE9BWhjbPPNmbr3ZJcwn5hLTsz7c5KPt3zXdYyaSnSQ"
  • "google-site-verification=0Vs9yf1V6RGkuzow85OzIXKEnjpRswpDkI6RgDVspMg"
  • "elevenlabs=hRLt8nemUjAWJSL_xhBIsKFyK4yYV089AvwkOB0cxYY"
  • "miro-verification=260f00146b6d2ad1bb70d6dc07a077b672badd28"
  • "atlassian-domain-verification=juKdSE4GGphSmzPkhmnRJUNIn0ALdb0vsP7VSPM8TmTP7WgbgUQPLFdNicP7bF58"
  • "google-site-verification=xAGz495k8RbGclhamQx1TkZSHDxOaEd95fOjc8xpbTA"
  • "docusign=11f01284-dffc-40f9-8d56-57e5261ede3f"
  • "bf5fl8sny79w4c70jxp6cp3crkqtr7qk"
  • "_cthqqp5zj8g86qf3h97heqitg2zc32b"
  • "google-site-verification=anx3jpa6VKkTWRJKnglUIzm7UEn-ZCT2WqAfG7h-xOg"
  • "AFDVALIDATION=LinkedIn"
  • "google-site-verification=8LaIeBMwr6K8qWeaGa4CEmfPKiZDwaT38t5mIrtaroI"
  • "atlassian-domain-verification=dDed2VFvlDajBX8X22w52Jx/W/YLHR81SxUuraa9zNdz4aLjDS/RpfN11w2bxpRc"
NS 8 records
  • ns3-42.azure-dns.org.
  • ns4-42.azure-dns.info.
  • dns1.p09.nsone.net.
  • dns2.p09.nsone.net.
  • dns3.p09.nsone.net.
  • dns4.p09.nsone.net.
  • ns1-42.azure-dns.com.
  • ns2-42.azure-dns.net.
CAA 2 records
  • 0 contactemail "caarecordaware@microsoft.com"
  • 0 contactemail "tls-alerts@linkedin.com"
SOA 1 record
  • dns1.p09.nsone.net. hostmaster.linkedin.com. 1660314990 3600 600 604800 300
Registration

WHOIS / RDAP

Registration data for linkedin.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
MarkMonitor Inc.
Created
2002-11-02T15:38:11Z
Updated
2025-10-01T12:53:37Z
Expires
2026-11-02T15:38:11Z
Handle
91818680_DOMAIN_COM-VRSN
Nameservers
DNS1.P09.NSONE.NETDNS2.P09.NSONE.NETDNS3.P09.NSONE.NETDNS4.P09.NSONE.NETNS1-42.AZURE-DNS.COMNS2-42.AZURE-DNS.NETNS3-42.AZURE-DNS.ORGNS4-42.AZURE-DNS.INFO
Status
client delete prohibitedclient transfer prohibitedclient update prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against linkedin.com. No third-party scanner.

ssl 129 days remaining
Issuer
CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1,O=DigiCert Inc,C=US
Subject
CN=www.linkedin.com,O=LinkedIn Corporation,L=Sunnyvale,ST=California,C=US
Valid from
2026-03-19T00:00:00+00:00
Valid to
2026-09-19T23:59:59+00:00
Serial
1559537898236567879646872668323003442
SANs (20)
www.linkedin.comlinkedin.comrum5.perf.linkedin.comexp4.www.linkedin.comexp3.www.linkedin.comexp2.www.linkedin.comexp1.www.linkedin.comrum2.perf.linkedin.comrum4.perf.linkedin.comrum6.perf.linkedin.comrum17.perf.linkedin.comrum8.perf.linkedin.comrum9.perf.linkedin.comafd.perf.linkedin.comrum14.perf.linkedin.comrum18.perf.linkedin.comrum19.perf.linkedin.comexp5.www.linkedin.comrealtime.www.linkedin.compx.ads.linkedin.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh ReadTimeout: · certspotter ReadTimeout: · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 14 found
crt.sh ReadTimeout: certspotter ReadTimeout: hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +14 (wordlist 54)
  • api.linkedin.com
  • app.linkedin.com
  • autodiscover.linkedin.com
  • blog.linkedin.com
  • help.linkedin.com
  • m.linkedin.com
  • mail.linkedin.com
  • mobile.linkedin.com
  • mx.linkedin.com
  • my.linkedin.com
  • ns1.linkedin.com
  • ns2.linkedin.com
  • ns3.linkedin.com
  • www.linkedin.com
Email

Email Security Posture

SPF and DMARC presence and records for linkedin.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 ip4:199.101.162.0/25 ip4:108.174.3.0/24 ip4:108.174.6.0/24 ip4:108.174.0.0/24 ip6:2620:109:c00d:104::/64 ip6:2620:109:c006:104::/64 ip6:2620:109:c003:104::/64 ip6:2620:119:50c0:207::/64 ip4:199.101.161.130 mx mx:docusign.net ~all
DMARC present
  • v=DMARC1; p=reject; rua=mailto:d@rua.agari.com,mailto:yfy3q-9359@rua.dmarc.emailanalyst.com; ruf=mailto:d@ruf.agari.com
DKIM selector required

DKIM requires selector; not auto-discoverable

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