sli.ted.com - robtex.com

sli.ted.com

CNAMEd3vqbfnjeiwsz0.cloudfront.net
DNSSEC⚠️ Not signed
A2600:9000:26dc:c00:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:3800:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:3c00:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:5e00:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:8200:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:b000:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:d600:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A2600:9000:26dc:dc00:10:4ea5:2b00:93a1🇺🇸 Amazon2600:9000:26dc::/48
A18.239.183.2🇺🇸 Amazon18.239.176.0/21
A18.239.183.31🇺🇸 Amazon18.239.176.0/21
A18.239.183.41🇺🇸 Amazon18.239.176.0/21
A18.239.183.115🇺🇸 Amazon18.239.176.0/21
NSns-1022.awsdns-63.net ⭐
A2600:9000:5303:fe00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-1022.awsdns-63.net
A205.251.195.254🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-1022.awsdns-63.net
NSns-151.awsdns-18.com
A2600:9000:5300:9700::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-151.awsdns-18.com
A205.251.192.151🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-151.awsdns-18.com
NSns-1530.awsdns-63.org
A2600:9000:5305:fa00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1530.awsdns-63.org
A205.251.197.250🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1530.awsdns-63.org
NSns-1640.awsdns-13.co.uk
A2600:9000:5306:6800::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1640.awsdns-13.co.uk
A205.251.198.104🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1640.awsdns-13.co.uk
HTTPSHTTP/2
SOAns-1022.awsdns-63.netawsdns-hostmaster@amazon.com serial=1

ted.com

DNSSEC⚠️ Not signed
A52.21.130.144🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
A52.200.122.105🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
NSns-1975.awsdns-54.co.uk ⭐
NSns-1133.awsdns-13.org
NSns-191.awsdns-23.com
NSns-882.awsdns-46.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(30)
MXaspmx2.googlemail.com(40)
MXaspmx3.googlemail.com(50)
TXT00Dj0000001oNFg=1TBPg0000000CSb
TXTanthropic-domain-verification-r67a2b=kuaYO2dfFoAua9fk6EfydILTC
TXTatlassian-domain-verification=4timsOUsdaVIPDVxoNaau9lRel9P83lqXmmmtsIImOt3Gfo...
TXTcanva-site-verification=o-gjQy5XSCZFLMlzw9BblQ
TXTgoogle-site-verification=UIn4zpG4F9qybIzoM2BeT-O2H3RG6M4vgoC_n8CPzW0
TXTmandrill_verify.iMtYQCwMRNE7tcpyMxeGwQ
TXTtollbit-domain-verification=87fdc3e9954c4a72ae699c04473015754a5d64bfa5002a5cb...
TXTv=spf1 include:aspmx.sailthru.com include:spf.mandrillapp.com include:_spf.go...
SOAns-1975.awsdns-54.co.ukawsdns-hostmaster@amazon.com serial=1
WOT: SAFE (95/100)
rank #212 globally
rank #138 in the tld
This domain "ted.com" belongs to the TED Conferences LLC, a media organization that posts talks online for free distribution under the slogan "ideas worth spreading." TED was conceived by Richard Saul Wurman in February 1984 as a conference; it has been held annually since 1990. The website features presentations from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes or less.WOT: SAFE (95/100)
📈 Tranco rank: #672
ted.com - Tranco Rank (30d: ↓-22)649650655660665670675677Mar 29Apr 8Apr 18Apr 28May 7Rank#652#674

TED - Ideas Worth Spreading

TED is a nonprofit organization dedicated to spreading transformative ideas through short, powerful talks. Founded by Richard Saul Wurman in 1984, TED began as a conference bringing together people from Technology, Entertainment, and Design. Today, TED has evolved into a global platform reaching millions worldwide with its mission that "ideas change everything."

Key Products & Services

  • TED Talks - Flagship presentations by experts and innovators across technology, science, business, and culture
  • TEDx - Independently organized local events bringing TED's format to communities worldwide
  • TED-Ed - Award-winning educational content for learners of all ages
  • TED Audio Collective - Podcasts exploring ideas in depth
  • The Audacious Project - Funding initiative for bold solutions to global challenges

Infrastructure

TED's website is hosted on Amazon Web Services (AS14618) with IPs52.202.228.198and100.29.172.130. DNS is managed through AWS Route 53 nameservers. Email is handled by Google Workspace (aspmx.l.google.com and alternates). The domain ranks #201 globally and #642 on Tranco, reflecting its significant web presence.

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DNS History

1 record (1 active, 0 former)

CNAMEd3vqbfnjeiwsz0.cloudfront.net
●CNAMEd3vqbfnjeiwsz0.cloudfront.net2026-03-10 → 2026-05-09 · 2 obs
● 2026-03-10 18:50:20
● 2026-05-09 15:32:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ted.comns-191.awsdns-23.com, ns-882.awsdns-46.net, ns-1133.awsdns-13.org, ns-1975.awsdns-54.co.uk2 records
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-
ted.comns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net-

✅ Authoritative Response

Server:205.251.192.191

NS records: ns-1133.awsdns-13.org, ns-191.awsdns-23.com, ns-1975.awsdns-54.co.uk, ns-882.awsdns-46.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ted.com (unsigned zone)

⏱️ Timing

Total: 1700ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1d3vqbfnjeiwsz0.cloudfront.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-191.awsdns-23.com, ns-191.awsdns-23.com)

Analysis

IP Addresses

sli.ted.com points to twelve IP numbers: 2600:9000:26dc:c00:10:4ea5:2b00:93a1, 2600:9000:26dc:3800:10:4ea5:2b00:93a1, 2600:9000:26dc:3c00:10:4ea5:2b00:93a1, 2600:9000:26dc:5e00:10:4ea5:2b00:93a1, 2600:9000:26dc:8200:10:4ea5:2b00:93a1, 2600:9000:26dc:b000:10:4ea5:2b00:93a1, 2600:9000:26dc:d600:10:4ea5:2b00:93a1, 2600:9000:26dc:dc00:10:4ea5:2b00:93a1, 18.239.183.2, 18.239.183.31, 18.239.183.41 and 18.239.183.115.

Other host names, for instance d3vqbfnjeiwsz0.cloudfront.net, share IP numbers with sli.ted.com.

Name Servers

sli.ted.com is delegated to four name servers: ns-151.awsdns-18.com, ns-1022.awsdns-63.net, ns-1530.awsdns-63.org and ns-1640.awsdns-13.co.uk.

sli.ted.com at least partially shares name servers with other domains, for example ca(0x736578)ellence.com, glooping.com, whichphoneisbetter.com, guest-feedback.revinate.com and d3taotg1nyrlgk.cloudfront.net.

These name servers are commonly used with ns-1340.awsdns-39.org and ns-801.awsdns-36.net and ns-1737.awsdns-25.co.uk.

Host names with two IP numbers:

ns-151.awsdns-18.com points to: 2600:9000:5300:9700::1 and 205.251.192.151

ns-1022.awsdns-63.net points to: 2600:9000:5303:fe00::1 and 205.251.195.254

ns-1530.awsdns-63.org points to: 2600:9000:5305:fa00::1 and 205.251.197.250

ns-1640.awsdns-13.co.uk points to: 2600:9000:5306:6800::1 and 205.251.198.104