inflearn.com - dns.ninja

`inflearn.com`

DNSSEC	⚠️ Not signed
A	13.124.150.100^{🇰🇷 Amazon13.124.0.0/16 EC2 ICN prefix}
		PTR	`ec2-13-124-150-100.ap-northeast-2.compute.amazonaws.com`
A	13.125.106.164^{🇰🇷 Amazon13.125.0.0/16}
A	43.201.228.157^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
A	43.202.170.71^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
NS	`ns-1367.awsdns-42.org` ⭐
		A	2600:9000:5305:5700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1367.awsdns-42.org`
		A	205.251.197.87^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1367.awsdns-42.org`
NS	`ns-1952.awsdns-52.co.uk`
		A	2600:9000:5307:a000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1952.awsdns-52.co.uk`
		A	205.251.199.160^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1952.awsdns-52.co.uk`
NS	`ns-268.awsdns-33.com`
		A	2600:9000:5301:c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-268.awsdns-33.com`
		A	205.251.193.12^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-268.awsdns-33.com`
NS	`ns-902.awsdns-48.net`
		A	2600:9000:5303:8600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-902.awsdns-48.net`
		A	205.251.195.134^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-902.awsdns-48.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 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	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`1password-site-verification=UWNX54AKHNB3NEH3FRIWOFPHEU`
TXT	`google-site-verification=G0AzsIgBLoSKSx1YmRhgZDqM_U5-92P75cUZAY1S5h8`
TXT	`google-site-verification=bStLVoqpCl-2KyjkFJ7ynxh1lSXRgxuF1eg0wbik9FM`
TXT	`v=spf1 include:amazonses.com include:_spf.google.com ~all`
SOA	`ns-1367.awsdns-42.org`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=1784079602

rank #57263 globally
rank #27783 in the tld
📈 Tranco rank: #65,057

Subdomains

biz.inflearn.com

ucc-api.inflearn.com

gt.inflearn.com

Same first word

inflearn.com

Similar names

DNS History

17 records (13 active, 4 former)

●NSns-1367.awsdns-42.org2026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

●NSns-1952.awsdns-52.co.uk2026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

●NSns-268.awsdns-33.com2026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

●NSns-902.awsdns-48.net2026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

○NSrudy.ns.cloudflare.com2016-12-05 → 2017-02-15 · 4 obs

● 2016-12-05 00:32:04
● 2017-02-15 10:59:54
○ 2026-02-17 11:06:20
○ 2026-07-15 02:04:40

○NSzoe.ns.cloudflare.com2016-12-05 → 2017-02-15 · 4 obs

● 2016-12-05 00:32:04
● 2017-02-15 10:59:54
○ 2026-02-17 11:06:20
○ 2026-07-15 02:04:40

●MXalt1.aspmx.l.google.com2016-12-05 → 2026-07-15 · 2 obs

● 2016-12-05 00:32:04
● 2026-07-15 02:04:40

●MXalt2.aspmx.l.google.com2016-12-05 → 2026-07-15 · 2 obs

● 2016-12-05 00:32:04
● 2026-07-15 02:04:40

●MXalt3.aspmx.l.google.com2016-12-05 → 2026-07-15 · 2 obs

● 2016-12-05 00:32:04
● 2026-07-15 02:04:40

●MXalt4.aspmx.l.google.com2016-12-05 → 2026-07-15 · 2 obs

● 2016-12-05 00:32:04
● 2026-07-15 02:04:40

●MXaspmx.l.google.com2016-12-05 → 2026-07-15 · 2 obs

● 2016-12-05 00:32:04
● 2026-07-15 02:04:40

○A104.25.149.1192016-12-05 → 2017-02-15 · 4 obs

● 2016-12-05 00:32:04
● 2017-02-15 10:59:54
○ 2026-02-17 11:06:20
○ 2026-07-15 02:04:40

○A104.25.150.1192016-12-05 → 2017-02-15 · 4 obs

● 2016-12-05 00:32:04
● 2017-02-15 10:59:54
○ 2026-02-17 11:06:20
○ 2026-07-15 02:04:40

●A13.124.150.1002026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

●A13.125.106.1642026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

●A43.201.228.1572026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

●A43.202.170.712026-02-17 → 2026-07-15 · 3 obs

○ 2017-02-15 10:59:54
● 2026-02-17 11:06:20
● 2026-07-15 02:04:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
inflearn.com	ns-268.awsdns-33.com, ns-902.awsdns-48.net, ns-1952.awsdns-52.co.uk, ns-1367.awsdns-42.org	2 records

✅ Authoritative Response

Server:205.251.193.12

NS records: ns-268.awsdns-33.com, ns-902.awsdns-48.net, ns-1952.awsdns-52.co.uk, ns-1367.awsdns-42.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for inflearn.com (unsigned zone)

⏱️ Timing

Total: 2189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.124.150.100, 43.202.170.71...`
NS	4	`ns-1367.awsdns-42.org, ns-1952.awsdns-52.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`1password-site-verification=UWNX54AKHNB3, google-site-verification=G0AzsIgBLoSKSx1...`
SOA	1	`ns-1367.awsdns-42.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-268.awsdns-33.com, ns-268.awsdns-33.com)

Analysis

Hierarchy

inflearn.com is the parent domain of biz.inflearn.com, ucc-api.inflearn.com and gt.inflearn.com.

IP Addresses

inflearn.com has four IP addresses: 13.124.150.100, 13.125.106.164, 43.201.228.157 and 43.202.170.71.

ec2-43-202-170-71.ap-northeast-2.compute.amazonaws.com, ec2-13-125-106-164.ap-northeast-2.compute.amazonaws.com, ec2-13-124-150-100.ap-northeast-2.compute.amazonaws.com plus two other host names have IP numbers in common with inflearn.com.

Name Servers

Four name servers handle the delegation for inflearn.com: ns-268.awsdns-33.com, ns-902.awsdns-48.net, ns-1367.awsdns-42.org and ns-1952.awsdns-52.co.uk.

inflearn.com shares at least some of its name servers with other domains, including 186.30.252.142.in-addr.arpa, lankasririp.com, ebstudies.com and two others.

The host names ns-268.awsdns-33.com, ns-902.awsdns-48.net, ns-1367.awsdns-42.org and ns-1952.awsdns-52.co.uk each resolve to two IP addresses: ns-268.awsdns-33.com resolves to 205.251.193.12 and 2600:9000:5301:c00::1; ns-902.awsdns-48.net resolves to 205.251.195.134 and 2600:9000:5303:8600::1; ns-1367.awsdns-42.org resolves to 205.251.197.87 and 2600:9000:5305:5700::1; ns-1952.awsdns-52.co.uk resolves to 205.251.199.160 and 2600:9000:5307:a000::1.

Mail Servers

Mail for inflearn.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by inflearn.com are shared with other domains: ns500671.ns500754.ns500742.ns500704.ns500671.ns500688.ns500704.ns500688.ns500678.ns500666.ns500153.tenderladiesbz.com, ns500758.ns500758.ns500758.ns500759.ns500698.ns500736.ns500736.ns500735.ns500698.ns500698.ns500619.ns500698.ns500619.ns500619.trackreceptor.com, jnujaipur.ac.in and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com directs traffic to 142.251.16.26 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.