api3.libcal.com - dns.ninja

`api3.libcal.com`

CNAME	`secure-us.libcal.com`
CNAME	`region-us.libcal.com`
DNSSEC	⚠️ Not signed
A	18.213.162.18^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-213-162-18.compute-1.amazonaws.com`
A	18.214.47.102^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
A	18.235.213.250^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
A	54.82.201.33^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}

`libcal.com`

	DNSSEC	🔒 Signed (DS record present)
	A	18.213.162.18^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
	A	18.214.47.102^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
	A	18.235.213.250^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
	A	54.82.201.33^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
	NS	`ns-220.awsdns-27.com` ⭐
	NS	`ns-1465.awsdns-55.org`
	NS	`ns-1606.awsdns-08.co.uk`
	NS	`ns-834.awsdns-40.net`
	MX	`mx.hover.com.cust.hostedemail.com` ⭐
	SOA	`ns-220.awsdns-27.com`awsdns-hostmaster@amazon.com serial=1

rank #12141 globally
rank #5911 in the tld
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #26,559

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DNS History

5 records (1 active, 4 former)

○A54.165.73.1762016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:06:46
○ 2026-06-24 03:43:02
○ 2026-06-24 03:43:04

○A54.84.242.1242016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:06:46
○ 2026-06-24 03:43:02
○ 2026-06-24 03:43:04

○CNAMElibcal-1122830946.us-east-1.elb.amazonaws.com2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:06:46
○ 2026-06-24 03:43:02
○ 2026-06-24 03:43:04

●CNAMEsecure-us.libcal.com2026-06-24 → 2026-06-24 · 3 obs

○ 2016-12-28 20:06:46
● 2026-06-24 03:43:02
● 2026-06-24 03:43:04

○CNAMEv2.libcal.com2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:06:46
○ 2026-06-24 03:43:02
○ 2026-06-24 03:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
libcal.com	ns-220.awsdns-27.com, ns-834.awsdns-40.net, ns-1606.awsdns-08.co.uk, ns-1465.awsdns-55.org	2 records
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-
libcal.com	ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net	-

✅ Authoritative Response

Server:205.251.192.220

NS records: ns-1465.awsdns-55.org, ns-1606.awsdns-08.co.uk, ns-220.awsdns-27.com, ns-834.awsdns-40.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`secure-us.libcal.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-220.awsdns-27.com, ns-220.awsdns-27.com)

Analysis

IP Addresses

api3.libcal.com points to the four IP addresses 18.213.162.18, 18.214.47.102, 18.235.213.250 and 54.82.201.33.

Additional host names — ec2-18-214-47-102.compute-1.amazonaws.com, ec2-54-82-201-33.compute-1.amazonaws.com, region-us.libcal.com and two others — share IP numbers with api3.libcal.com.