flightradar21.com - robtex.com

flightradar21.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:181🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:8142🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.1.129Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.66🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRduke.ns.cloudflare.com
A2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRduke.ns.cloudflare.com
A108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
A173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRduke.ns.cloudflare.com
NSmarjory.ns.cloudflare.com
A2606:4700:50::adf5:3ac1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarjory.ns.cloudflare.com
A2803:f800:50::6ca2:c0c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarjory.ns.cloudflare.com
A2a06:98c1:50::ac40:20c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarjory.ns.cloudflare.com
A108.162.192.193🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarjory.ns.cloudflare.com
A172.64.32.193🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarjory.ns.cloudflare.com
A173.245.58.193🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarjory.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.1.129, 172.67.129.66
IPv6 hints2606:4700:3032::6815:181, 2606:4700:3033::ac43:8142
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=188, name=cloudflare-ech.com
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2408170579

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784013172

Same first word

flightradar21.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSduke.ns.cloudflare.commarjory.ns.cloudflare.comns1.parkingcrew.netns2.parkingcrew.netMXmail.h-email.netA104.21.1.129172.67.129.662606:4700:3032::6815:1812606:4700:3033::ac43:814254.72.11.253
●NSduke.ns.cloudflare.com2026-06-26 → 2026-07-14 · 3 obs
○ 2026-02-25 08:52:08
● 2026-06-26 22:03:04
● 2026-07-14 07:15:14
●NSmarjory.ns.cloudflare.com2026-06-26 → 2026-07-14 · 3 obs
○ 2026-02-25 08:52:08
● 2026-06-26 22:03:04
● 2026-07-14 07:15:14
○NSns1.parkingcrew.net2015-08-28 → 2016-12-02 · 4 obs
● 2015-08-28 12:33:32
● 2016-12-02 00:49:32
○ 2026-02-25 08:52:08
○ 2026-07-14 07:15:14
○NSns2.parkingcrew.net2015-08-28 → 2016-12-02 · 4 obs
● 2015-08-28 12:33:32
● 2016-12-02 00:49:32
○ 2026-02-25 08:52:08
○ 2026-07-14 07:15:14
○MXmail.h-email.net2015-08-28 → 2016-12-02 · 4 obs
● 2015-08-28 12:33:32
● 2016-12-02 00:49:32
○ 2026-02-25 08:52:08
○ 2026-07-14 07:15:14
●A104.21.1.1292026-06-26 → 2026-07-14 · 3 obs
○ 2026-02-25 08:52:08
● 2026-06-26 22:03:04
● 2026-07-14 07:15:14
●A172.67.129.662026-06-26 → 2026-07-14 · 3 obs
○ 2026-02-25 08:52:08
● 2026-06-26 22:03:04
● 2026-07-14 07:15:14
●A2606:4700:3032::6815:1812026-06-26 → 2026-07-14 · 3 obs
○ 2026-02-25 08:52:08
● 2026-06-26 22:03:04
● 2026-07-14 07:15:14
●A2606:4700:3033::ac43:81422026-06-26 → 2026-07-14 · 3 obs
○ 2026-02-25 08:52:08
● 2026-06-26 22:03:04
● 2026-07-14 07:15:14
○A54.72.11.2532015-08-28 → 2016-12-02 · 4 obs
● 2015-08-28 12:33:32
● 2016-12-02 00:49:32
○ 2026-02-25 08:52:08
○ 2026-07-14 07:15:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...-
flightradar21.comduke.ns.cloudflare.com, marjory.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.193

NS records: duke.ns.cloudflare.com, marjory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flightradar21.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.129.66, 104.21.1.129
AAAA22606:4700:3032::6815:181, 2606:4700:3033::ac43:8142
NS2duke.ns.cloudflare.com, marjory.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1duke.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)

Analysis

IP Addresses

flightradar21.com directs to four IP numbers, which are 104.21.1.129, 172.67.129.66, 2606:4700:3032::6815:181 and 2606:4700:3033::ac43:8142.

pulserestaurantmiami.com, eclipsi.net, knagstudio.digital and two other host names share IP numbers with flightradar21.com.

Name Servers

The NS records for flightradar21.com delegate to duke.ns.cloudflare.com and marjory.ns.cloudflare.com.

flightradar21.com uses the same name servers as several other domains — among them helpi.org.il, maoclinic.org, viasms.pl and two more.

At least some of flightradar21.com's name servers are shared with other domains, for example westcityautogroup.co.nz, alexander.tel, perfectstorage.cz and two more.

These name servers are often deployed together with the name servers ray.ns.cloudflare.com, beth.ns.cloudflare.com, sara.ns.cloudflare.com and iris.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

duke.ns.cloudflare.com maps to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 additional IP addresses.

marjory.ns.cloudflare.com maps to 108.162.192.193, 172.64.32.193, 173.245.58.193 and 3 additional IP addresses.