sync.linear.app - dns.ninja

sync.linear.app

DNSSEC⚠️ Not signed
A2606:4700:440a::ac40:93d3🇺🇸 Cloudflare2606:4700:440a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2a06:98c1:3105::6812:282d🇺🇸 Cloudflare2a06:98c1:3105::/48 ✓ In HTTPS hints
A104.18.40.45Cloudflare104.18.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.147.211🇺🇸 Cloudflare172.64.147.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.40.45, 172.64.147.211
IPv6 hints2606:4700:440a::ac40:93d3, 2a06:98c1:3105::6812:282d

linear.app

DNSSEC⚠️ Not signed
A2606:4700:440a::ac40:93d3🇺🇸 Cloudflare2606:4700:440a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2a06:98c1:3105::6812:282d🇺🇸 Cloudflare2a06:98c1:3105::/48 ✓ In HTTPS hints
A104.18.40.45Cloudflare104.18.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.147.211🇺🇸 Cloudflare172.64.147.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NStim.ns.cloudflare.com ⭐
NSzara.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
TXTMS=ms43041516
TXTZOOM_verify_r(0x534578)Bwd4QT2vT9dfq9-UrA
TXT_qcd9zztuukbep051izx2pjssdl6yae2
TXTanthropic-domain-verification-7emk8z=c8SuvlXPqgxzVcvjsiQ00cLfO
TXTapple-domain-verification=zVdJnsxkD6nX5XCL
TXTcursor-domain-verification-jkgerh=fYGswH2He0dJj0DekVjoNvFKi
TXTdocusign=9bc6c7a7-fde1-48af-bcc3-11f14e980549
TXTdomain-verification=0b7a143e64a100eeb18d7e29c53d3bcf83746f87607ac1f1b6aef8802...
TXTgoogle-site-verification=-TwiLtawzz8QlL_LZlkuGibc6klzAuD0DfgytD0TM0g
TXTgoogle-site-verification=4am7F1KUGPoMFePO3xuz4Eek80WH7im3c9UeedE10pA
TXTgoogle-site-verification=mFdMlamOogHV4U7WGNYRd55OvljoEx7M_wgpb7zHzfo
TXTlaunchdarkly-domain-verification=f702791b-ddb9-496f-80f1-df7499632973
TXTlinear-domain-verification=391958
TXTmongodb-site-verification=DkQRVTZWWUX0i14d4YZd(0x6469634b)0SF4Qc1L
TXTnotion-domain-verification=WyZnKX70mlPP1r1HchqL7re1MjaYo5c2F2Cy2R2z3XD
TXTnotion-domain-verification=YflTDyf5nncjFK4D85Nsh38ufawi0ExsoOTUzXu9NpT
TXTopenai-domain-verification=dv-cF94uxiJMGTKa374p6jJD0zU
TXTrippling-domain-verification=806196fd264819a7
TXTslack-domain-verification=n9BI0EJf0vSJO9ugqYmWNJ5xbOOVQnnTirCGbRZK
TXTstripe-verification=6EC2FC42DC487CF290EEEE12F5DEE9914E0186EF7BF33C1B6AEB7DD8B...
TXTv=MCPv1; k=ed25519; p=kK/pbugEO5TjSy0dXhqbUMJ0v+5eCO8osDkDeccICp4=
TXTv=spf1 include:_spf.google.com include:spf.mtasv.net include:44092442.spf10.h...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.40.45, 172.64.147.211
IPv6 hints2606:4700:440a::ac40:93d3, 2a06:98c1:3105::6812:282d
SOAtim.ns.cloudflare.comdns@cloudflare.com serial=2408354220
rank #24117 globally
rank #28 in the tld

linear.app

linear.appis the official website and web application of Linear, a project-management and issue-tracking tool built for software development teams. The company is operated by Linear Inc., founded in San Francisco.

Key facts

  • Owner / operator: Linear Inc.
  • TLD:.app— gTLD (Google registry; HSTS-preloaded, HTTPS enforced)
  • Primary purpose: Corporate website and hosted SaaS application for software project management and issue tracking
  • Status: active

History

YearEvent
2019Linear Inc. founded by Karri Saarinen, Jori Lallo, and Tuomas Artman
2020Product exits private beta and launches publicly
2021Series A funding round (~$35 M, led by Sequoia Capital)

Related domains

  • app.linear.app— the authenticated web app interface (subdomain of the same domain)
  • api.linear.app— public GraphQL API endpoint used by integrations and the official SDK
📈 Tranco rank: #10,847

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DNS History

6 records (4 active, 2 former)

A104.18.40.45172.64.147.2112606:4700:440a::ac40:93d32a06:98c1:3105::6812:282d2606:4700:4400::ac40:93d32a06:98c1:3100::6812:282d
●A104.18.40.452026-02-21 → 2026-07-01 · 2 obs
● 2026-02-21 04:51:10
● 2026-07-01 11:00:12
●A172.64.147.2112026-02-21 → 2026-07-01 · 2 obs
● 2026-02-21 04:51:10
● 2026-07-01 11:00:12
○A2606:4700:4400::ac40:93d32026-02-21 → 2026-06-05 · 3 obs
● 2026-02-21 04:51:10
● 2026-06-05 22:09:08
○ 2026-07-01 11:00:12
●A2606:4700:440a::ac40:93d32026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-05 22:09:08
● 2026-07-01 11:00:12
○A2a06:98c1:3100::6812:282d2026-02-21 → 2026-06-05 · 3 obs
● 2026-02-21 04:51:10
● 2026-06-05 22:09:08
○ 2026-07-01 11:00:12
●A2a06:98c1:3105::6812:282d2026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-05 22:09:08
● 2026-07-01 11:00:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...10 records
linear.appzara.ns.cloudflare.com, tim.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.148

NS records: zara.ns.cloudflare.com, tim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linear.app (unsigned zone)

⏱️ Timing

Total: 619ms | Queries: -

📄 Records

TypeCountSample Data
A2172.64.147.211, 104.18.40.45
AAAA22606:4700:440a::ac40:93d3, 2a06:98c1:3105::6812:282d
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

sync.linear.app directs to four IP numbers, which are 104.18.40.45, 172.64.147.211, 2606:4700:440a::ac40:93d3 and 2a06:98c1:3105::6812:282d.

lakotex.com.co, e.linear.app, familiaere-amyloidose.de plus two other host names have IP numbers in common with sync.linear.app.