knowcal.com - dns.ninja

`knowcal.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4f4e:999e:923d:5c17^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.93.61.140^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-61-140.compute-1.amazonaws.com`
		A	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:18c:37a5:651d:7bdc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-07 #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=1786127984

WOT: SAFE (70/100)

Same first word

knowcal.com

Similar names

walkcon.com

cnowalk.com

DNS History

12 records (7 active, 5 former)

●NSns1.namebrightdns.com2026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

○NSns39.domaincontrol.com2015-08-05 → 2017-02-19 · 4 obs

● 2015-08-05 09:35:30
● 2017-02-19 07:14:02
○ 2026-07-13 18:00:38
○ 2026-08-07 18:41:32

○NSns40.domaincontrol.com2015-08-05 → 2017-02-19 · 4 obs

● 2015-08-05 09:35:30
● 2017-02-19 07:14:02
○ 2026-07-13 18:00:38
○ 2026-08-07 18:41:32

●NSnsg1.namebrightdns.com2026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

●NSnsg2.namebrightdns.com2026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

○MXmailstore1.secureserver.net2015-08-05 → 2017-02-19 · 4 obs

● 2015-08-05 09:35:30
● 2017-02-19 07:14:02
○ 2026-07-13 18:00:38
○ 2026-08-07 18:41:32

○MXsmtp.secureserver.net2015-08-05 → 2017-02-19 · 4 obs

● 2015-08-05 09:35:30
● 2017-02-19 07:14:02
○ 2026-07-13 18:00:38
○ 2026-08-07 18:41:32

●A13.223.25.842026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

○A184.168.221.472015-08-05 → 2017-02-19 · 4 obs

● 2015-08-05 09:35:30
● 2017-02-19 07:14:02
○ 2026-07-13 18:00:38
○ 2026-08-07 18:41:32

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

●A54.243.117.1972026-07-13 → 2026-08-07 · 3 obs

○ 2017-02-19 07:14:02
● 2026-07-13 18:00:38
● 2026-08-07 18:41:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowcal.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.162.235.48

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowcal.com (unsigned zone)

⏱️ Timing

Total: 106ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

knowcal.com has four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Among the host names that share IP numbers with knowcal.com are 204-232-194-76.static.cloud-ips.com, lanjue99.com.whoisbucket.com, www.totosat.com and two others.

Name Servers

The authoritative name servers for knowcal.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

knowcal.com shares at least some of its name servers with other domains, including mihari.com, moreflame.com, iberse.com and two others.

These name servers are frequently paired with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names resolving to 7 IP numbers:

Hostname nsg2.namebrightdns.com directs to 54.162.235.48, 54.221.37.2 and 54.235.53.129 along with 4 other IP addresses.

Hostnames that point to five IP numbers:

nsg1.namebrightdns.com directs to 3.93.61.140, 100.27.188.59, 174.129.117.232 and two other IP addresses.

Hosts with three IP address records:

The hostname ns1.namebrightdns.com directs to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.