samples.leanpub.com - dns.ninja

`samples.leanpub.com`

CNAME	`s3.amazonaws.com`
DNSSEC	⚠️ Not signed
A	16.15.199.37^{🇺🇸 Amazon16.15.192.0/21 EC2 Prefix}
A	16.15.212.197^{🇺🇸 Amazon16.15.208.0/21 EC2 Prefix}
A	16.15.213.100^{🇺🇸 Amazon16.15.208.0/21 EC2 Prefix}
A	16.15.228.211^{🇺🇸 Amazon16.15.224.0/21 EC2 Prefix}
A	16.15.236.216^{🇺🇸 Amazon16.15.232.0/21 EC2 Prefix}
A	16.15.253.36^{🇺🇸 Amazon16.15.248.0/21 EC2 Prefix}
A	52.216.27.102^{🇺🇸 Amazon52.216.27.0/24 AWS S3}
A	52.217.235.208^{🇺🇸 Amazon52.217.224.0/19 AWS S3}
NS	`ns-1579.awsdns-05.co.uk` ⭐
		A	2600:9000:5306:2b00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1579.awsdns-05.co.uk`
		A	205.251.198.43^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1579.awsdns-05.co.uk`
NS	`ns-1300.awsdns-34.org`
		A	2600:9000:5305:1400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1300.awsdns-34.org`
		A	205.251.197.20^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1300.awsdns-34.org`
NS	`ns-63.awsdns-07.com`
		A	2600:9000:5300:3f00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-63.awsdns-07.com`
		A	205.251.192.63^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-63.awsdns-07.com`
NS	`ns-771.awsdns-32.net`
		A	2600:9000:5303:300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-771.awsdns-32.net`
		A	205.251.195.3^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-771.awsdns-32.net`
TXT	`c0979eacb5be1fee817b1513a28ff974`
SOA	`ns-1579.awsdns-05.co.uk`awsdns-hostmaster@amazon.com serial=1

`leanpub.com`

	DNSSEC	⚠️ Not signed
	A	2600:9000:2140:c00:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:3000:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:3600:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:4800:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:9400:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:b400:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:bc00:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	2600:9000:2140:ce00:6:744:8980:93a1^{🇺🇸 Amazon2600:9000:2140::/48 - CloudFront}
	A	13.33.82.26^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
	A	13.33.82.30^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
	A	13.33.82.108^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
	A	13.33.82.129^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
	NS	`ns-576.awsdns-08.net` ⭐
	NS	`ns-1390.awsdns-45.org`
	NS	`ns-1693.awsdns-19.co.uk`
	NS	`ns-389.awsdns-48.com`
	MX	`aspmx.l.google.com` ⭐
	TXT	`google-site-verification=zoRXbAIm861EKd5VTW9pSjE9SmF0G12EWQit--QX-RI`
	TXT	`v=spf1 a mx include:spf.mtasv.net include:spf.mail.intercom.io include:server...`
	SOA	`ns-576.awsdns-08.net`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (73/100)
rank #7442 globally
rank #3659 in the tld
WOT: SAFE (90/100)
📈 Tranco rank: #29,491

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DNS History

1 record (1 active, 0 former)

●CNAMEs3.amazonaws.com2026-03-27 → 2026-08-02 · 2 obs

● 2026-03-27 10:17:16
● 2026-08-02 20:28:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
leanpub.com	ns-576.awsdns-08.net, ns-389.awsdns-48.com, ns-1693.awsdns-19.co.uk, ns-1390.awsdns-45.org	2 records
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-
leanpub.com	ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net	-

✅ Authoritative Response

Server:205.251.194.64

NS records: ns-1390.awsdns-45.org, ns-1693.awsdns-19.co.uk, ns-389.awsdns-48.com, ns-576.awsdns-08.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leanpub.com (unsigned zone)

⏱️ Timing

Total: 1626ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`s3.amazonaws.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-389.awsdns-48.com, ns-389.awsdns-48.com)

Analysis

IP Addresses

samples.leanpub.com has 8 IP addresses — 16.15.199.37, 16.15.212.197, 16.15.213.100 and 5 more.

Other host names share IP numbers with samples.leanpub.com; s3.amazonaws.com is one such example.

Name Servers

The authoritative name servers for samples.leanpub.com are ns-63.awsdns-07.com, ns-771.awsdns-32.net, ns-1300.awsdns-34.org and ns-1579.awsdns-05.co.uk.

samples.leanpub.com partially shares its NS delegation with several other domains, including oui-oui.net, twoje-drzwi.pl, furnitureconnexion.com and two others.

ns-63.awsdns-07.com, ns-771.awsdns-32.net, ns-1300.awsdns-34.org and ns-1579.awsdns-05.co.uk each carry two IP addresses. ns-63.awsdns-07.com has 205.251.192.63 and 2600:9000:5300:3f00::1; ns-771.awsdns-32.net has 205.251.195.3 and 2600:9000:5303:300::1; ns-1300.awsdns-34.org has 205.251.197.20 and 2600:9000:5305:1400::1; ns-1579.awsdns-05.co.uk has 205.251.198.43 and 2600:9000:5306:2b00::1.