`signup.taboola.com`

CNAME	`143535613.group0.sites.hscoscdn-eu1.net`
DNSSEC	⚠️ Not signed
A	2606:2c40::c73c:6702^{🇺🇸 CLOUDFLARESPECTRUM2606:2c40::/48 HubSpot, Inc. 25 First Street, 2nd Floor Cambridge MA 02141 United States} ✓ In HTTPS hints
A	2606:2c40::c73c:67fe^{🇺🇸 CLOUDFLARESPECTRUM2606:2c40::/48 HubSpot, Inc. 25 First Street, 2nd Floor Cambridge MA 02141 United States} ✓ In HTTPS hints
A	199.60.103.2^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242} ✓ In HTTPS hints
A	199.60.103.254^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	199.60.103.2, 199.60.103.254
		IPv6 hints	2606:2c40::c73c:6702, 2606:2c40::c73c:67fe

`taboola.com`

	DNSSEC	⚠️ Not signed
	A	151.101.2.132^{🇺🇸 Fastly151.101.0.0/22}
	A	151.101.66.132^{🇺🇸 Fastly151.101.64.0/22}
	A	151.101.130.132^{🇺🇸 Fastly151.101.128.0/22}
	A	151.101.194.132^{🇺🇸 Fastly151.101.192.0/22}
	NS	`dns1.p05.nsone.net` ⭐
	NS	`dns2.p05.nsone.net`
	NS	`dns3.p05.nsone.net`
	NS	`dns4.p05.nsone.net`
	NS	`ns01.dnsfaster.com`
	NS	`ns02.dnsfaster.com`
	NS	`ns03.dnsfaster.com`
	NS	`ns04.dnsfaster.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	MX	`aspmx4.googlemail.com`⁽¹⁰⁾
	MX	`aspmx5.googlemail.com`⁽¹⁰⁾
	TXT	`anthropic-domain-verification-1zbekh=lJFJALlYr77IEwETZNf4Bb2Bj`
	TXT	`atlassian-sending-domain-verification=0a85057d-574b-4719-b1e0-2a8933fb47f7`
	TXT	`c1a74638-2510-480f-ae6e-fa1ecd1f5650`
	TXT	`google-site-verification=N60gm5YnA_5ibrU2k9tH-TJqaVwp-P3sB44ZzWbzxAc`
	TXT	`google-site-verification=k1dQX_v14MN8Mq34nd3RU2QJx_e7Emv7PeDmP_GPcbE`
	TXT	`v=spf1 ip4:0.0.0.6 ip4:103.28.42.0/24 ip4:104.130.122.0/23 ip4:104.130.96.0/2...`
	SOA	`dns1.p05.nsone.net`hostmaster@nsone.net serial=1658209882

⚠️ On DNS blocklist: ultimate
WOT: SAFE (35/100)
rank #4992 globally
rank #2503 in the tld
⚠️ On DNS blocklist: light, multi, pro, pro.plus, ultimate
WOT: SUSPICIOUS (33/100)
📈 Tranco rank: #182

Overview

Taboola is a performance advertising and content discovery platform founded in 2007 by Adam Singolda. The company operates the world's largest discovery platform, connecting advertisers with audiences across publisher websites. Taboola reaches over 600 million daily active users through partnerships with 9,000+ publishers and serves 15,000+ advertisers globally. The company employs more than 1,700 people.

Products and Services

Realize Platform - Core advertising product focused on conversion and action-stage marketing
Native advertising - Content recommendation widgets appearing on publisher websites
AI-powered optimization - Targeting and campaign management tools including "Abby" AI Ad Assistant
First-party audience targeting - Privacy-compliant targeting solutions
Skimlinks - Commerce-focused subsidiary for affiliate marketing
Connexity - Related commerce advertising business

Publisher Network

Major media partners include ABC News, Business Insider, USA Today, and many other prominent publishers. The company also works with major advertising holding companies including WPP, Dentsu, IPG, and Havas.

Infrastructure

Web hosting: Fastly CDN (AS54113) with anycast IPs 151.101.2.132, 151.101.66.132, 151.101.130.132, 151.101.194.132
DNS: Split between NSONE (dns1-4.p05.nsone.net) and DNSFaster (ns01-04.dnsfaster.com) - 8 nameservers total
Email: Google Workspace (aspmx.l.google.com and alternates)
Security: DNSSEC enabled with validated chain of trust
Ranking: Tranco #192, global rank #5,072

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DNS History

4 records (1 active, 3 former)

○A104.92.72.802016-12-11 → 2016-12-11 · 3 obs

● 2016-12-11 01:26:28
○ 2026-02-20 05:06:30
○ 2026-05-01 14:58:44

●CNAME143535613.group0.sites.hscoscdn-eu1.net2026-02-20 → 2026-05-01 · 3 obs

○ 2016-12-11 01:26:28
● 2026-02-20 05:06:30
● 2026-05-01 14:58:44

○CNAMEe3091.b.akamaiedge.net2016-12-11 → 2016-12-11 · 3 obs

● 2016-12-11 01:26:28
○ 2026-02-20 05:06:30
○ 2026-05-01 14:58:44

○CNAMEwildcard.taboola.com.edgekey.net2016-12-11 → 2016-12-11 · 3 obs

● 2016-12-11 01:26:28
○ 2026-02-20 05:06:30
○ 2026-05-01 14:58:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...	-
taboola.com	dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net, dns4.p05.nsone.net...	4 records

✅ Authoritative Response

Server:198.51.44.5

NS records: dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net, dns4.p05.nsone.net, ns03.dnsfaster.com, ns01.dnsfaster.com, ns04.dnsfaster.com, ns02.dnsfaster.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`143535613.group0.sites.hscoscdn-eu1.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns03.dnsfaster.com, ns01.dnsfaster.com, ns04.dnsfaster.com...)

Analysis

IP Addresses

signup.taboola.com resolves to four IPs: 2606:2c40::c73c:6702, 2606:2c40::c73c:67fe, 199.60.103.2 and 199.60.103.254.

Other host names, for instance nvdonor.org, factsetinstantmessager.com, 147344144.group0.sites.hscoscdn-eu1.net, priviq.com and 2642977.group0.sites.hscoscdn-eu1.net share IP numbers with signup.taboola.com.

signup.taboola.com - robtex.com