`stackadapt.com`

DNSSEC	⚠️ Not signed
A	34.204.55.14^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
		PTR	`ec2-34-204-55-14.compute-1.amazonaws.com`
NS	`ns-926.awsdns-51.net` ⭐
		A	2600:9000:5303:9e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-926.awsdns-51.net`
		A	205.251.195.158^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-926.awsdns-51.net`
NS	`ns-1201.awsdns-22.org`
		A	2600:9000:5304:b100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1201.awsdns-22.org`
		A	205.251.196.177^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1201.awsdns-22.org`
NS	`ns-1614.awsdns-09.co.uk`
		A	2600:9000:5306:4e00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1614.awsdns-09.co.uk`
		A	205.251.198.78^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1614.awsdns-09.co.uk`
NS	`ns-263.awsdns-32.com`
		A	2600:9000:5301:700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-263.awsdns-32.com`
		A	205.251.193.7^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-263.awsdns-32.com`
MX	`ca-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.144.242^{🇺🇸 Mimecast-NA170.10.144.0/23 Mimecast}
			PTR	`ca-smtp-delivery-2.mimecast.com`
		A	170.10.146.242^{🇺🇸 Mimecast-NA170.10.146.0/23 Mimecast}
			PTR	`ca-smtp-delivery-2.mimecast.com`
MX	`ca-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.144.242^{🇺🇸 Mimecast-NA170.10.144.0/23 Mimecast}
			PTR	`ca-smtp-delivery-2.mimecast.com`
		A	170.10.146.242^{🇺🇸 Mimecast-NA170.10.146.0/23 Mimecast}
			PTR	`ca-smtp-delivery-2.mimecast.com`
TXT	`MS=ms83006268`
TXT	`adobe-idp-site-verification=ec5b7f2620fcd55228c6d156085e1cafc41dd89a954a7aa8d...`
TXT	`anthropic-domain-verification-vd7vw0=h4N2RUxrFDoqPmD3yEAM6FrcT`
TXT	`apple-domain-verification=Hg711(0x466150)xZki8RqI`
TXT	`atlassian-domain-verification=IMfSZ8BIdQyY0u4ytaLzvTuIjBgJSgCkViGirD78SQOPx5L...`
TXT	`cursor-domain-verification-5wy6w1=0hPz4tz2UgedGjPChSHhbfLDs`
TXT	`facebook-domain-verification=pimtz77jy1xtlx8y581sd8icry4det`
TXT	`google-site-verification=29zITMWToNeBRXWEZ7UicrrOaKWRHCJLUw88RzsnDsc`
TXT	`google-site-verification=LUcAPqMOQEM-3P824DS3IauidnWNPujwDmBBE-ZNn4M`
TXT	`google-site-verification=TZ376H206hTC33IlT9pbdj6Ik7ALIociUTQ9EMcrWL0`
TXT	`google-site-verification=eNGX_XxNVese-abXacD7_pa1PG8c1hz0bIaud_Cw1Vk`
TXT	`google-site-verification=edAGRCFn8PqK_CfQfv4crXIiRX3hoq14Vd-wx9V85YA`
TXT	`google-site-verification=yitZufVFJmZwF8vMJYTW5gR09b0XDWS2aplXtcI1xYE`
TXT	`hubspot-developer-verification=MzU1MzYwZGEtYjJkZC00ZTMzLWFjZGEtZWQ1ZTMxOTUwNGJi`
TXT	`hubspot-domain-verification=MTJlMDRiMjgtMWY4NS00MDA3LTliNTItNDQ4YTEzYzkzZmM5`
TXT	`openai-domain-verification=dv-mnu53mwtt9DGrv9w37mayJQk`
TXT	`parallels-domain-verification=be36b3ecb13640a787e3c0795e447930243b36cb72b5452...`
TXT	`pardot499541=79aabb0b2711a1031ce46a11c6a486e22ab82ef38549f863fceddf8c8b4e7068`
TXT	`pendo-domain-verification=74645da0-2fe2-4b36-9364-f7bcc954da44`
TXT	`smartsheet-site-validation=Os8o-bVtvGvfYihYZ0kQ77mlMgg1AUYp`
TXT	`stripe-verification=340d8ac28cfd1aa0863be136158089eff3262d5dbd8fa4b2697b1d1a6...`
TXT	`stripe-verification=6face72bea904ec77fd59d778082de7e4d4da9447d8c53bd0023d4c4f...`
TXT	`stripe-verification=9de76bc39a48dfd2fc861e88e927c3d9ca4415a865821344b5073f1b0...`
TXT	`stripe-verification=fd49acdaacc870c36664517a494338e2baa7e14cec93a7f6a96cdc0fc...`
TXT	`uber-domain-verification=7cdc360b-2df0-44af-81a7-fe8d835497b5`
TXT	`v=DMARC1; p=quarantine; rua=mailto:data@stackadapt.com`
TXT	`v=spf1 include:_spf.stackadapt_com._d.easydmarc.pro -all`
TXT	`zapier-domain-verification-challenge=15194830-240c-4000-b3f5-6b7f8978259b`
SOA	`ns-926.awsdns-51.net`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778342046

rank #36483 globally
rank #17553 in the tld
⚠️ On DNS blocklist: light, multi, pro, pro.plus, ultimate
WOT: SAFE (8/100)
📈 Tranco rank: #627

StackAdapt

StackAdapt is a programmatic advertising platform founded in 2014 and headquartered in Toronto, Canada. The company provides an AI-powered demand-side platform (DSP) that enables marketers to plan, execute, and analyze multi-channel digital advertising campaigns. With over 1,600 employees, StackAdapt operates globally across North America, EMEA, APAC, and LATAM regions.

Key Features

AI-Powered Optimization — Performs 465 billion automated optimizations per second
Multi-Channel Advertising — Supports display, native, video, connected TV, audio, and in-game advertising
First-Party Data Activation — Enables brands to leverage their own customer data
Connected Customer Journeys — Orchestrates unified experiences across channels

Recognition

Ranked #1 DSP on G2 for six consecutive years
Named Ad Age Best Places to Work (2024)
Enterprise Fast 15 winner in Deloitte's Technology Fast 50™ program (2024)
Received $235 million in private equity funding from Teachers' Venture Growth (March 2025)

Hosting & DNS

Hosting: Amazon AWS (IP: 34.204.55.14, AS14618)
Nameservers: AWS Route 53 (ns-263.awsdns-32.com and 3 others)
Email: Mimecast (ca-smtp-inbound-1.mimecast.com, ca-smtp-inbound-2.mimecast.com)
Tranco Rank: #639
DNSSEC: Not signed

Subdomains

losh.stackadapt.com

video.stackadapt.com

tags.stackadapt.com

srv.stackadapt.com

www.stackadapt.com

adm1.stackadapt.com

creative.stackadapt.com

pjs-envoy.stackadapt.com

display.stackadapt.com

html.stackadapt.com

evm1.stackadapt.com

evm2.stackadapt.com

cdn.stackadapt.com

bdmch.stackadapt.com

ads1.stackadapt.com

Same first word

stackadapt.com

stackadapt.info

stackadapt.co.uk

stackadapt.net

stackadapt.biz

stackadapt.co

DNS History

13 records (7 active, 6 former)

●NSns-1201.awsdns-22.org2015-06-19 → 2026-05-09 · 2 obs

● 2015-06-19 03:39:30
● 2026-05-09 16:01:08

●NSns-1614.awsdns-09.co.uk2015-06-19 → 2026-05-09 · 2 obs

● 2015-06-19 03:39:30
● 2026-05-09 16:01:08

●NSns-263.awsdns-32.com2015-06-19 → 2026-05-09 · 2 obs

● 2015-06-19 03:39:30
● 2026-05-09 16:01:08

●NSns-926.awsdns-51.net2015-06-19 → 2026-05-09 · 2 obs

● 2015-06-19 03:39:30
● 2026-05-09 16:01:08

○MXalt1.aspmx.l.google.com2015-06-19 → 2020-10-29 · 4 obs

● 2015-06-19 03:39:30
● 2020-10-29 04:55:44
○ 2026-03-23 20:51:08
○ 2026-05-09 16:01:08

○MXalt2.aspmx.l.google.com2015-06-19 → 2020-10-29 · 4 obs

● 2015-06-19 03:39:30
● 2020-10-29 04:55:44
○ 2026-03-23 20:51:08
○ 2026-05-09 16:01:08

○MXaspmx.l.google.com2015-06-19 → 2020-10-29 · 4 obs

● 2015-06-19 03:39:30
● 2020-10-29 04:55:44
○ 2026-03-23 20:51:08
○ 2026-05-09 16:01:08

○MXaspmx2.googlemail.com2015-06-19 → 2020-10-29 · 4 obs

● 2015-06-19 03:39:30
● 2020-10-29 04:55:44
○ 2026-03-23 20:51:08
○ 2026-05-09 16:01:08

○MXaspmx3.googlemail.com2015-06-19 → 2020-10-29 · 4 obs

● 2015-06-19 03:39:30
● 2020-10-29 04:55:44
○ 2026-03-23 20:51:08
○ 2026-05-09 16:01:08

●MXca-smtp-inbound-1.mimecast.com2026-03-23 → 2026-05-09 · 3 obs

○ 2020-10-29 04:55:44
● 2026-03-23 20:51:08
● 2026-05-09 16:01:08

●MXca-smtp-inbound-2.mimecast.com2026-03-23 → 2026-05-09 · 3 obs

○ 2020-10-29 04:55:44
● 2026-03-23 20:51:08
● 2026-05-09 16:01:08

●A34.204.55.142020-05-14 → 2026-05-09 · 3 obs

○ 2018-07-02 19:18:16
● 2020-05-14 04:55:06
● 2026-05-09 16:01:08

○A54.235.98.2142015-06-19 → 2018-07-02 · 4 obs

● 2015-06-19 03:39:30
● 2018-07-02 19:18:16
○ 2020-05-14 04:55:06
○ 2026-05-09 16:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
stackadapt.com	ns-263.awsdns-32.com, ns-926.awsdns-51.net, ns-1614.awsdns-09.co.uk, ns-1201.awsdns-22.org	2 records

✅ Authoritative Response

Server:205.251.198.78

NS records: ns-263.awsdns-32.com, ns-926.awsdns-51.net, ns-1614.awsdns-09.co.uk, ns-1201.awsdns-22.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackadapt.com (unsigned zone)

⏱️ Timing

Total: 646ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.204.55.14`
NS	4	`ns-1201.awsdns-22.org, ns-1614.awsdns-09.co.uk...`
MX	2	`ca-smtp-inbound-1.mimecast.com (pri: 10), ca-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	28	`MS=ms83006268, adobe-idp-site-verification=ec5b7f2620fc...`
SOA	1	`ns-926.awsdns-51.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-263.awsdns-32.com, ns-263.awsdns-32.com)

Analysis

Hierarchy

stackadapt.com is the parent of losh.stackadapt.com, video.stackadapt.com, tags.stackadapt.com, srv.stackadapt.com, www.stackadapt.com and several other host names.

IP Addresses

stackadapt.com points to a single IP: 34.204.55.14.

Other host names, for instance ec2-34-204-55-14.compute-1.amazonaws.com, stackadapt.info, stackadapt.co.uk, stackadapt.net and www.stackadapt.com share IP numbers with stackadapt.com.

Name Servers

stackadapt.com is delegated to four name servers: ns-263.awsdns-32.com, ns-926.awsdns-51.net, ns-1201.awsdns-22.org and ns-1614.awsdns-09.co.uk.

stackadapt.com at least partially shares its name servers with other domains, for instance datesfre.com, cg-netlab.com, cbomc.com, d30ard3fhl2net.cloudfront.net and pippin.sara.amazon.dev.

Host names with two IPs: ns-263.awsdns-32.com points to 2600:9000:5301:700::1 and 205.251.193.7; ns-926.awsdns-51.net points to 2600:9000:5303:9e00::1 and 205.251.195.158; ns-1201.awsdns-22.org points to 2600:9000:5304:b100::1 and 205.251.196.177; ns-1614.awsdns-09.co.uk points to 2600:9000:5306:4e00::1 and 205.251.198.78.

Mail Servers

Two mail servers ca-smtp-inbound-1.mimecast.com and ca-smtp-inbound-2.mimecast.com handle stackadapt.com.

stackadapt.com uses the same mail server setup as other domains such as wildlaw.ca, lague-vary.com, theaddressad.com, pegnl.ca and skyjack.com.pt.

stackadapt.com shares some mail servers with other domains, including sandhillwines.ca, behlen.ca, davisortho.ca, cooperbrostrucking.com and adamsonsystems.com.

Host names with two IP numbers:

The host names ca-smtp-inbound-1.mimecast.com and ca-smtp-inbound-2.mimecast.com point to 170.10.144.242 and 170.10.146.242.

Host names that point to 170.10.144.242: ca-smtp-inbound-1.mimecast.com and ca-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.146.242: ca-smtp-inbound-1.mimecast.com and ca-smtp-inbound-2.mimecast.com.

stackadapt.com - robtex.com

stackadapt.com

com

StackAdapt

Key Features

Recognition

Hosting & DNS

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`stackadapt.com`

`com`