`knowledge.apollo.io`

CNAME	`apolloio.zendesk.com`
DNSSEC	⚠️ Not signed
A	216.198.53.11^{🇺🇸 CLOUDFLARESPECTRUM216.198.53.0/24 989 Market St San Francisco CA 94103 United States}
A	216.198.54.11^{🇺🇸 CLOUDFLARESPECTRUM216.198.54.0/24 989 Market St San Francisco CA 94103 United States}
MX	`mail-pod-13.int.zendesk.com` ⭐
		A	34.223.227.129^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`ec2-34-223-227-129.us-west-2.compute.amazonaws.com`
		A	35.81.61.101^{🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix}
			PTR	`ec2-35-81-61-101.us-west-2.compute.amazonaws.com`
		A	44.230.43.212^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-230-43-212.us-west-2.compute.amazonaws.com`
TXT	`pod=13`
TXT	`v=spf1 include:mail.zendesk.com ~all`

`apollo.io`

DNSSEC	⚠️ Not signed
A	2606:4700:10::ac42:857c^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:8c49^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.133.124^{🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.140.73^{🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lana.ns.cloudflare.com` ⭐
NS	`plato.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
TXT	`MS=ms87144835`
TXT	`Q7YTCejdGcB-7RdBFx5GSEUbq_nq`
TXT	`_kujxf7omcrpzl9ujc38unouh5stdbbr`
TXT	`airtable-verification=2772d722b96a6e4006acd5ae43603245`
TXT	`anthropic-domain-verification-ydmk3s=8ijNIwcr0h04A3eIdtXlwa2JA`
TXT	`apple-domain-verification=Q8n1TO3KwiTampYd`
TXT	`atlassian-domain-verification=EZnNfZorLNRiO2jQHP9rXV33/g9JcO/5jjZ6p3aH5JLwjDo...`
TXT	`atlassian-sending-domain-verification=b6d94b57-d214-4eae-95d8-4efb41983452`
TXT	`cursor-domain-verification-c5dk2c=2YHJGlFYxa60dxLp2MwijYC3R`
TXT	`docusign=039d546f-ac53-4fa2-8dbf-1d42c362f9d1`
TXT	`google-site-verification=-fZ0H48D3jzls5BmFk991-0QtVFYkXvojxGAGcNEfXo`
TXT	`google-site-verification=1CbiKGI51Yx45EBsSkt8dhqKuQEzh-3jZaNJWZG3wqA`
TXT	`google-site-verification=1HWHifko74sRv-sETHaeYbQlt6isLm1Xt4BzhI-SJEM`
TXT	`google-site-verification=7LWPqVRxm3I2y_l7amdHoMoPFwuf8U1umaqPhIGS-Uk`
TXT	`google-site-verification=A3FTfTMG6Oc2hsm8BuINjpMzwtK0UMDqAn9-JCNqYWw`
TXT	`google-site-verification=BbiVa3BxF5NRBjBczgKF1hXL9iaL4PHR2dV7LYda3qs`
TXT	`google-site-verification=HAfGjMc7Zdqhxa84SXM2F3wztFC6uywf95oeN96mr_U`
TXT	`google-site-verification=LaAXyeoLO1nOHgFVvbjBJidcBict6E55Zepq7waFlOo`
TXT	`google-site-verification=XiQ-N0wXSHsi-OB1x1NyyahoN2nKXs8bXp8blP79f4Y`
TXT	`google-site-verification=XxB1ZfiyL6qNi9L3PwZoE8X2LkJgyUJqilXdQXRZ1Fk`
TXT	`google-site-verification=k242UogCD8NWkXU0bRoF2Qlzpl4YC2yg2wTu8ko8bss`
TXT	`google-site-verification=lZV0I9h2CmeAsbxOxypcZoNygVJoNWHqR4Y4Gw4GW-0`
TXT	`google-site-verification=mIeiWpy2tkeJOACRRVO3nx0ULgNzQ5b0DFP92Xtd_FM`
TXT	`google-site-verification=uFoirpo9cQJ-IfNsnJ-4ALaB6hdW7IDzzQY3KzBGXN8`
TXT	`hubspot-developer-verification=NDI4ZTY5NzctNTM3OC00Y2E5LWE5ZWYtMjMwNTU0NmZlNjVk`
TXT	`notion-domain-verification=TGflOM6yzKlaqTGXjCIr3GdCtdnfXnQLk7wWcRYR149`
TXT	`openai-domain-verification=dv-Evwm4wkb5PfR6jRFCEuEvDf7`
TXT	`ps-cd-verification=8118b6ad-1e09-4100-992e-14cac2168eda`
TXT	`slack-domain-verification=w4dAbUfCMtTcH9d1oWfgCpCjHRKNZ3SNAljdkfBP`
TXT	`stripe-verification=C6F1653302E904AFFADC5146DE94B8C559D36C24E2B80BB4EB4A741E5...`
TXT	`v=spf1 include:_s00978643.autospf.email ~all`
TXT	`zoom-domain-verification=ZOOM_verify_f5fbe3b6295e487c83d5b86d1bf8b36b`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	172.66.133.124, 172.66.140.73
		IPv6 hints	2606:4700:10::ac42:857c, 2606:4700:10::ac42:8c49
SOA	`lana.ns.cloudflare.com`dns@cloudflare.com serial=2401327222

rank #11290 globally
rank #118 in the tld
📈 Tranco rank: #7,934

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DNS History

1 record (1 active, 0 former)

●CNAMEapolloio.zendesk.com2026-02-28 → 2026-04-11 · 2 obs

● 2026-02-28 06:14:30
● 2026-04-11 20:24:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	8 records
apollo.io	lana.ns.cloudflare.com, plato.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.182

NS records: lana.ns.cloudflare.com, plato.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apollo.io (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`apolloio.zendesk.com`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.io, a0.nic.io, a2.nic.io...)

Analysis

IP Addresses

knowledge.apollo.io resolves to two IPs: 216.198.53.11 and 216.198.54.11.

other host names for instance sundaytoz.zendesk.com, arnotts.zendesk.com, cerberusllc.zendesk.com, esub.zendesk.com and wizardsretail.zendesk.com share IP numbers with knowledge.apollo.io.

Mail Servers

knowledge.apollo.io is handled by a single mail server, mail-pod-13.int.zendesk.com.

knowledge.apollo.io shares the same mail server setup as other domains, for instance kirklands.zendesk.com, imeetcentral.zendesk.com, squamishnation.zendesk.com, jumprope.zendesk.com and moblab.zendesk.com.

knowledge.apollo.io shares mail servers with other domains at least partially, including gladly.zendesk.com, nomorobo.zendesk.com, cdsit.zendesk.com, wabibaby.zendesk.com and fnu.zendesk.com.

Host name mail-pod-13.int.zendesk.com points to three IP numbers: 34.223.227.129, 35.81.61.101 and 44.230.43.212.

knowledge.apollo.io - robtex.com