`braintrust.io`

CNAME	`park.io`
DNSSEC	⚠️ Not signed
A	52.6.49.216^{🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix}
		PTR	`ec2-52-6-49-216.compute-1.amazonaws.com`
A	100.30.247.81^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
NS	`ns-1348.awsdns-40.org` ⭐
		A	2600:9000:5305:4400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1348.awsdns-40.org`
		A	205.251.197.68^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1348.awsdns-40.org`
NS	`ns-1624.awsdns-11.co.uk`
		A	2600:9000:5306:5800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1624.awsdns-11.co.uk`
		A	205.251.198.88^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1624.awsdns-11.co.uk`
NS	`ns-441.awsdns-55.com`
		A	2600:9000:5301:b900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-441.awsdns-55.com`
		A	205.251.193.185^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-441.awsdns-55.com`
NS	`ns-672.awsdns-20.net`
		A	2600:9000:5302:a000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-672.awsdns-20.net`
		A	205.251.194.160^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-672.awsdns-20.net`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c19::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrp-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.27^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.26^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
TXT	`v=spf1 include:mailgun.org include:_spf.google.com ~all`
SOA	`ns-1348.awsdns-40.org`awsdns-hostmaster@amazon.com serial=1

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1774397820

Subdomains

www.braintrust.io

Same first word

Similar names

startribun.com

bursttrain.com

trustbrain.biz

sintraturb.com.br

trustbrain.co.jp

trustbrain.com

trustbrain.jp

trustbrian.com

briantrust.com

DNS History

10 records (3 active, 7 former)

●NSa.dns.park.io2026-02-17 → 2026-03-25 · 3 obs

○ 2017-06-28 23:26:32
● 2026-02-17 09:43:16
● 2026-03-25 00:48:36

●NSb.dns.park.io2026-02-17 → 2026-03-25 · 3 obs

○ 2017-06-28 23:26:32
● 2026-02-17 09:43:16
● 2026-03-25 00:48:36

○NSgail.ns.cloudflare.com2015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

○NSlee.ns.cloudflare.com2015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

○MXmail.braintrust.io2015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

○A104.18.46.1022015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

○A104.18.47.1022015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

○A2400:cb00:2048:1::6812:2e662015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

○A2400:cb00:2048:1::6812:2f662015-10-22 → 2017-06-28 · 4 obs

● 2015-10-22 19:04:40
● 2017-06-28 23:26:32
○ 2026-02-17 09:43:16
○ 2026-03-25 00:48:36

●CNAMEpark.io2026-02-17 → 2026-03-25 · 2 obs

● 2026-02-17 09:43:16
● 2026-03-25 00:48:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
braintrust.io	b.dns.park.io, a.dns.park.io	2 records

✅ Authoritative Response

Server:54.225.121.213

NS records: b.dns.park.io, a.dns.park.io

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for braintrust.io (unsigned zone)

⏱️ Timing

Total: 269ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`park.io`
SOA	1	`a.dns.park.io 2014070706`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (a.dns.park.io, b.dns.park.io)

Analysis

Hierarchy

braintrust.io is parent of www.braintrust.io.

IP Addresses

braintrust.io points to two IP numbers: 52.6.49.216 and 100.30.247.81.

Other host names such as app.park.io and park.io share IP numbers with braintrust.io.

Name Servers

braintrust.io is delegated to four name servers: ns-441.awsdns-55.com, ns-672.awsdns-20.net, ns-1348.awsdns-40.org and ns-1624.awsdns-11.co.uk.

braintrust.io at least partially shares its name servers with other domains, for instance elclip.net, d33kkcy7p1rxai.cloudfront.net, d3hbyzikq3u12o.cloudfront.net, webmail.egali.com.br and nepalinvest.com.

Host names with two IPs: ns-441.awsdns-55.com points to 2600:9000:5301:b900::1 and 205.251.193.185; ns-672.awsdns-20.net points to 2600:9000:5302:a000::1 and 205.251.194.160; ns-1348.awsdns-40.org points to 2600:9000:5305:4400::1 and 205.251.197.68; ns-1624.awsdns-11.co.uk points to 2600:9000:5306:5800::1 and 205.251.198.88.

Mail Servers

Five mail servers handle braintrust.io: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

braintrust.io shares some mail servers with other domains, including lcmsolutionsllc.com, ns500765.ns500699.ns500699.ns500734.ns500699.ns500699.ns500588.ns500588.ns500693.ns500683.ns500588.ns500683.ns500693.ns500683.ns500588.dtrkdll.com, dgdeligrill.com, ns500754.ns500742.ns500742.ns500742.ns500742.ns500704.ns500731.ns500671.ns500671.ns500678.ns500671.ns500291.ns500649.ns500291.ns500291.ns500131.lustychickser.com and ns500734.ns500734.ns500699.ns500734.ns500734.ns500728.ns500588.ns500693.ns500632.ns500612.ns500632.ns500632.ns500632.ns500588.ns500578.ns500110.dtrkdll.com.

these mail servers are often used alongside the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26.

aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26.

aspmx.l.google.com points to 2a00:1450:4009:c19::1a and 192.178.223.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27.

alt2.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27.

braintrust.io - robtex.com

braintrust.io

io

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`braintrust.io`

`io`