`jacob.stackblitz.com`

CNAME	`d19ncl86a7b2e0.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:2870:0:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:1800:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:2800:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:3e00:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:4200:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:9c00:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:f200:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	2600:9000:2870:fc00:11:79c3:f600:93a1^{🇺🇸 Amazon2600:9000:2870::/48}
A	3.170.42.3^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.64^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.96^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.121^{🇺🇸 Amazon3.170.40.0/22}
NS	`ns-1130.awsdns-13.org` ⭐
		A	2600:9000:5304:6a00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1130.awsdns-13.org`
		A	205.251.196.106^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1130.awsdns-13.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-288.awsdns-36.com`
		A	2600:9000:5301:2000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-288.awsdns-36.com`
		A	205.251.193.32^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-288.awsdns-36.com`
NS	`ns-793.awsdns-35.net`
		A	2600:9000:5303:1900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-793.awsdns-35.net`
		A	205.251.195.25^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-793.awsdns-35.net`
HTTPS	HTTP/2
SOA	`ns-1130.awsdns-13.org`awsdns-hostmaster@amazon.com serial=1

`stackblitz.com`

	DNSSEC	⚠️ Not signed
	A	2600:9000:208d:1000:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:2a00:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:9200:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:c200:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:d000:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:d600:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:de00:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	2600:9000:208d:ee00:2:496a:a40:93a1^{🇺🇸 Amazon2600:9000:208d::/48 - CloudFront}
	A	13.226.238.30^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
	A	13.226.238.43^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
	A	13.226.238.87^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
	A	13.226.238.97^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
	NS	`igor.ns.cloudflare.com` ⭐
	NS	`zoe.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	`1password-site-verification=TQHYLJIHFZB2HLJYOYQLTBAD6Y`
	TXT	`MS=ms20645993`
	TXT	`anthropic-domain-verification-ttvd3n=ie5Kz2xrIXq2hJIqF5iGuOafr`
	TXT	`apple-domain-verification=lFvLRAX0ur6PMWmZ`
	TXT	`google-site-verification=GyPQ23RIjQZkl6LuIot4wF0NCv2J2WCWC2Xr_zqHYQc`
	TXT	`google-site-verification=iX9WVLD1JAY0oz2VQ_TJpq-6a96oLTsmOe9fT3VZcDI`
	TXT	`google-site-verification=t1_8D5FpDjchbYttkpmwVnwkQp2Nuhe8IsFMHBfFHZE`
	TXT	`mixpanel-domain-verify=a33ca37b-4c22-431e-bb7d-09233db76c1f`
	TXT	`notion-domain-verification=ItdlGu4Z6gUWv14IC27chcFlKb3Bvdef8CcCH85vt9i`
	TXT	`openai-domain-verification=dv-GnPiRQKUUGBUh5vx9PV8noNk`
	TXT	`rippling-domain-verification=60fa1b66fe1eeea1`
	TXT	`slack-domain-verification=DktTeTheAJSqnK3mnP79FLbn71dbgVjdE6Ra8v6o`
	TXT	`v=spf1 include:_spf.google.com include:45403856.spf03.hubspotemail.net ~all`
	TXT	`zapier-domain-verification-challenge=d60f92ec-887f-488e-8cd9-9cfbfb1dc472`
	HTTPS	HTTP/2
	SOA	`igor.ns.cloudflare.com`dns@cloudflare.com serial=2410044086

rank #14235 globally
rank #6926 in the tld
📈 Tranco rank: #36,151

Subdomains

14services.jacob.stackblitz.com

services.jacob.stackblitz.com

srvcs.jacob.stackblitz.com

Same first word

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DNS History

1 record (1 active, 0 former)

●CNAMEd19ncl86a7b2e0.cloudfront.net2026-03-27 → 2026-08-03 · 2 obs

● 2026-03-27 07:27:46
● 2026-08-03 16:44:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...	-
stackblitz.com	igor.ns.cloudflare.com, zoe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.149

NS records: igor.ns.cloudflare.com, zoe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackblitz.com (unsigned zone)

⏱️ Timing

Total: 1437ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`d19ncl86a7b2e0.cloudfront.net`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (igor.ns.cloudflare.com, igor.ns.cloudflare.com, igor.ns.cloudflare.com...)

Analysis

Hierarchy

jacob.stackblitz.com is a parent domain, with 14services.jacob.stackblitz.com, services.jacob.stackblitz.com and srvcs.jacob.stackblitz.com beneath it.

IP Addresses

jacob.stackblitz.com directs to 12 IP numbers: 3.170.42.3, 3.170.42.64, 3.170.42.96 and 9 other.

Two other host names, along with awesomepython.org, d2c4hz9cmbzv1j.cloudfront.net and dccz4tteon6qy.cloudfront.net, also share IP numbers with jacob.stackblitz.com.

Name Servers

The NS records for jacob.stackblitz.com point to four name servers: ns-288.awsdns-36.com, ns-793.awsdns-35.net, ns-1130.awsdns-13.org and ns-1624.awsdns-11.co.uk.

jacob.stackblitz.com has at least partial name server overlap with other domains, such as antica.com, busconnects.ie, pyramidsolitaire-new.com and two others.

ns-288.awsdns-36.com, ns-793.awsdns-35.net, ns-1130.awsdns-13.org and ns-1624.awsdns-11.co.uk all point to exactly two IP numbers each: ns-288.awsdns-36.com → 205.251.193.32 and 2600:9000:5301:2000::1; ns-793.awsdns-35.net → 205.251.195.25 and 2600:9000:5303:1900::1; ns-1130.awsdns-13.org → 205.251.196.106 and 2600:9000:5304:6a00::1; ns-1624.awsdns-11.co.uk → 205.251.198.88 and 2600:9000:5306:5800::1.

jacob.stackblitz.com - dns.ninja