`c-by-bit.com`

DNSSEC	⚠️ Not signed
A	13.214.239.118^{🇸🇬 Amazon13.214.0.0/15 EC2 SIN Prefix}
		PTR	`ec2-13-214-239-118.ap-southeast-1.compute.amazonaws.com`
A	13.251.224.25^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
NS	`ns-1503.awsdns-59.org` ⭐
		A	2600:9000:5305:df00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1503.awsdns-59.org`
		A	205.251.197.223^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1503.awsdns-59.org`
NS	`ns-1915.awsdns-47.co.uk`
		A	2600:9000:5307:7b00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1915.awsdns-47.co.uk`
		A	205.251.199.123^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1915.awsdns-47.co.uk`
NS	`ns-291.awsdns-36.com`
		A	2600:9000:5301:2300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-291.awsdns-36.com`
		A	205.251.193.35^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-291.awsdns-36.com`
NS	`ns-674.awsdns-20.net`
		A	2600:9000:5302:a200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-674.awsdns-20.net`
		A	205.251.194.162^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-674.awsdns-20.net`
SOA	`ns-1503.awsdns-59.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=1785388397

⚠️ On DNS blocklist: tif

Subdomains

learn.c-by-bit.com

Same first word

c-by-bit.com

DNS History

25 records (6 active, 19 former)

●NSns-1503.awsdns-59.org2026-05-11 → 2026-07-30 · 2 obs

● 2026-05-11 17:09:56
● 2026-07-30 05:39:30

●NSns-1915.awsdns-47.co.uk2026-05-11 → 2026-07-30 · 2 obs

● 2026-05-11 17:09:56
● 2026-07-30 05:39:30

●NSns-291.awsdns-36.com2026-05-11 → 2026-07-30 · 2 obs

● 2026-05-11 17:09:56
● 2026-07-30 05:39:30

●NSns-674.awsdns-20.net2026-05-11 → 2026-07-30 · 2 obs

● 2026-05-11 17:09:56
● 2026-07-30 05:39:30

●A13.214.239.1182026-07-25 → 2026-07-30 · 3 obs

○ 2026-07-21 22:33:42
● 2026-07-25 17:57:58
● 2026-07-30 05:39:30

○A13.215.129.1082026-05-30 → 2026-06-07 · 5 obs

○ 2026-05-30 11:13:30
● 2026-05-30 15:08:00
● 2026-06-07 10:55:44
○ 2026-06-07 22:38:42
○ 2026-07-30 05:39:30

○A13.229.18.1922026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-01 19:30:24
● 2026-07-09 05:58:04
○ 2026-07-16 18:13:16
○ 2026-07-30 05:39:30

●A13.251.224.252026-07-21 → 2026-07-30 · 3 obs

○ 2026-07-16 18:13:16
● 2026-07-21 22:33:42
● 2026-07-30 05:39:30

○A18.136.157.1532026-07-13 → 2026-07-13 · 4 obs

○ 2026-07-09 05:58:04
● 2026-07-13 20:16:12
○ 2026-07-21 22:33:42
○ 2026-07-30 05:39:30

○A18.141.103.1842026-06-21 → 2026-06-26 · 8 obs

○ 2026-06-15 12:00:32
● 2026-06-21 20:59:06
○ 2026-06-25 05:21:46
● 2026-06-25 06:27:10
○ 2026-06-26 17:27:54
● 2026-06-26 19:29:58
○ 2026-07-01 19:30:24
○ 2026-07-30 05:39:30

○A18.142.157.302026-06-10 → 2026-06-15 · 5 obs

○ 2026-06-08 23:20:36
● 2026-06-10 03:41:06
● 2026-06-15 05:46:24
○ 2026-06-15 12:00:32
○ 2026-07-30 05:39:30

○A18.142.41.622026-05-11 → 2026-05-13 · 4 obs

● 2026-05-11 17:09:56
● 2026-05-13 02:17:14
○ 2026-05-13 05:44:38
○ 2026-07-30 05:39:30

○A3.0.197.02026-07-16 → 2026-07-16 · 4 obs

○ 2026-07-13 20:16:12
● 2026-07-16 18:13:16
○ 2026-07-25 17:57:58
○ 2026-07-30 05:39:30

○A3.0.25.2512026-06-15 → 2026-06-25 · 6 obs

○ 2026-06-15 05:46:24
● 2026-06-15 12:00:32
○ 2026-06-25 05:21:46
● 2026-06-25 06:27:10
○ 2026-06-26 12:35:02
○ 2026-07-30 05:39:30

○A47.131.113.752026-06-13 → 2026-06-13 · 4 obs

○ 2026-06-13 13:34:44
● 2026-06-13 21:56:14
○ 2026-06-21 20:59:06
○ 2026-07-30 05:39:30

○A47.131.180.2402026-05-13 → 2026-05-15 · 5 obs

○ 2026-05-13 02:17:14
● 2026-05-13 05:44:38
● 2026-05-15 10:06:58
○ 2026-05-15 15:53:26
○ 2026-07-30 05:39:30

○A47.131.44.2352026-05-17 → 2026-05-30 · 5 obs

○ 2026-05-17 08:10:42
● 2026-05-17 14:17:50
● 2026-05-30 11:13:30
○ 2026-05-30 15:08:00
○ 2026-07-30 05:39:30

○A52.220.49.1832026-06-26 → 2026-06-26 · 6 obs

○ 2026-06-25 06:27:10
● 2026-06-26 12:35:02
○ 2026-06-26 17:27:54
● 2026-06-26 19:29:58
○ 2026-07-09 05:58:04
○ 2026-07-30 05:39:30

○A52.221.146.1312026-05-21 → 2026-06-03 · 5 obs

○ 2026-05-21 17:11:54
● 2026-05-21 22:19:34
● 2026-06-03 17:30:32
○ 2026-06-03 21:16:54
○ 2026-07-30 05:39:30

○A52.74.153.2452026-05-15 → 2026-05-21 · 5 obs

○ 2026-05-15 02:02:42
● 2026-05-15 08:02:12
● 2026-05-21 17:11:54
○ 2026-05-21 22:19:34
○ 2026-07-30 05:39:30

○A52.74.234.202026-07-01 → 2026-07-01 · 4 obs

○ 2026-06-26 19:29:58
● 2026-07-01 19:30:24
○ 2026-07-13 20:16:12
○ 2026-07-30 05:39:30

○A52.76.197.1062026-06-03 → 2026-06-08 · 5 obs

○ 2026-06-03 17:30:32
● 2026-06-03 21:16:54
● 2026-06-08 23:20:36
○ 2026-06-10 03:41:06
○ 2026-07-30 05:39:30

○A52.77.67.2172026-05-11 → 2026-05-15 · 4 obs

● 2026-05-11 17:09:56
● 2026-05-15 02:02:42
○ 2026-05-15 08:02:12
○ 2026-07-30 05:39:30

○A54.251.122.1632026-05-15 → 2026-05-17 · 5 obs

○ 2026-05-15 10:06:58
● 2026-05-15 15:53:26
● 2026-05-17 08:10:42
○ 2026-05-17 14:17:50
○ 2026-07-30 05:39:30

○A54.255.82.92026-06-07 → 2026-06-13 · 5 obs

○ 2026-06-07 10:55:44
● 2026-06-07 22:38:42
● 2026-06-13 13:34:44
○ 2026-06-13 21:56:14
○ 2026-07-30 05:39:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
c-by-bit.com	ns-674.awsdns-20.net, ns-291.awsdns-36.com, ns-1915.awsdns-47.co.uk, ns-1503.awsdns-59.org	2 records

✅ Authoritative Response

Server:205.251.199.123

NS records: ns-674.awsdns-20.net, ns-291.awsdns-36.com, ns-1915.awsdns-47.co.uk, ns-1503.awsdns-59.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c-by-bit.com (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.251.224.25, 13.214.239.118`
NS	4	`ns-1503.awsdns-59.org, ns-1915.awsdns-47.co.uk...`
SOA	1	`ns-1503.awsdns-59.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-291.awsdns-36.com, ns-291.awsdns-36.com)

Analysis

Hierarchy

learn.c-by-bit.com is a subdomain of c-by-bit.com.

IP Addresses

c-by-bit.com has two IP addresses: 13.214.239.118 and 13.251.224.25

bybit.cloud, d-by-bit.com, bybita.net plus two other host names have IP numbers in common with c-by-bit.com.

Name Servers

Four name servers handle the delegation for c-by-bit.com: ns-291.awsdns-36.com, ns-674.awsdns-20.net, ns-1503.awsdns-59.org and ns-1915.awsdns-47.co.uk.

The name servers of c-by-bit.com overlap at least partially with those of other domains — among them skyscanner.cx, joesthings.com, greenseasons.ca and two more.

Each of the four hosts ns-291.awsdns-36.com, ns-674.awsdns-20.net, ns-1503.awsdns-59.org and ns-1915.awsdns-47.co.uk has two IP addresses. ns-291.awsdns-36.com points to 205.251.193.35 and 2600:9000:5301:2300::1. ns-674.awsdns-20.net points to 205.251.194.162 and 2600:9000:5302:a200::1. ns-1503.awsdns-59.org points to 205.251.197.223 and 2600:9000:5305:df00::1. ns-1915.awsdns-47.co.uk points to 205.251.199.123 and 2600:9000:5307:7b00::1.

c-by-bit.com - robtex.com

c-by-bit.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`c-by-bit.com`

`com`