computerbasedtraining.com - dns.ninja

`computerbasedtraining.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d09b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:fe8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.232^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.155^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.domainmanage.com` ⭐
		A	2400:cb00:2049:1::adf5:3b04^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.59.4^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.domainmanage.com`
		A	2400:cb00:2049:1::c629:df27^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	198.41.223.39^{Cloudflare198.41.223.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cf-198-41-223-39.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.232, 172.67.208.155
		IPv6 hints	2606:4700:3032::ac43:d09b, 2606:4700:3034::6815:fe8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOA	`ns1.domainmanage.com`dns@cloudflare.com serial=2407449585

`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=1785675742

Subdomains

ns.computerbasedtraining.com

Same first word

computerbasedtraining.com

DNS History

18 records (6 active, 12 former)

○NSns.computerbasedtraining.com2015-06-24 → 2016-06-22 · 4 obs

● 2015-06-24 14:40:12
● 2016-06-22 18:33:18
○ 2017-01-29 22:15:52
○ 2026-08-02 13:11:16

○NSns1.afternic.com2026-02-16 → 2026-05-07 · 4 obs

○ 2019-12-20 14:17:42
● 2026-02-16 16:52:22
● 2026-05-07 10:18:56
○ 2026-08-02 13:11:16

●NSns1.domainmanage.com2026-08-02 → 2026-08-02 · 2 obs

○ 2026-05-07 10:18:56
● 2026-08-02 13:11:16

○NSns2.afternic.com2026-02-16 → 2026-05-07 · 4 obs

○ 2019-12-20 14:17:42
● 2026-02-16 16:52:22
● 2026-05-07 10:18:56
○ 2026-08-02 13:11:16

●NSns2.domainmanage.com2026-08-02 → 2026-08-02 · 2 obs

○ 2026-05-07 10:18:56
● 2026-08-02 13:11:16

○NSns3.epik.com2015-06-24 → 2019-12-20 · 4 obs

● 2015-06-24 14:40:12
● 2019-12-20 14:17:42
○ 2026-02-16 16:52:22
○ 2026-08-02 13:11:16

○NSns4.epik.com2015-06-24 → 2019-12-20 · 4 obs

● 2015-06-24 14:40:12
● 2019-12-20 14:17:42
○ 2026-02-16 16:52:22
○ 2026-08-02 13:11:16

○MXmail.b-io.co2015-06-24 → 2026-02-16 · 4 obs

● 2015-06-24 14:40:12
● 2026-02-16 16:52:22
○ 2026-02-18 01:17:14
○ 2026-08-02 13:11:16

●A104.21.15.2322026-08-02 → 2026-08-02 · 2 obs

○ 2026-05-07 10:18:56
● 2026-08-02 13:11:16

○A13.248.169.482026-02-16 → 2026-05-07 · 4 obs

○ 2019-12-20 14:17:42
● 2026-02-16 16:52:22
● 2026-05-07 10:18:56
○ 2026-08-02 13:11:16

●A172.67.208.1552026-08-02 → 2026-08-02 · 2 obs

○ 2026-05-07 10:18:56
● 2026-08-02 13:11:16

○A172.99.81.1632015-10-30 → 2016-06-22 · 5 obs

○ 2015-06-24 14:40:12
● 2015-10-30 03:34:10
● 2016-06-22 18:33:18
○ 2017-01-29 22:15:52
○ 2026-08-02 13:11:16

●A2606:4700:3032::ac43:d09b2026-08-02 → 2026-08-02 · 2 obs

○ 2026-05-07 10:18:56
● 2026-08-02 13:11:16

●A2606:4700:3034::6815:fe82026-08-02 → 2026-08-02 · 2 obs

○ 2026-05-07 10:18:56
● 2026-08-02 13:11:16

○A74.200.250.1832015-06-24 → 2015-06-24 · 3 obs

● 2015-06-24 14:40:12
○ 2015-10-30 03:34:10
○ 2026-08-02 13:11:16

○A76.223.54.1462026-02-16 → 2026-05-07 · 4 obs

○ 2019-12-20 14:17:42
● 2026-02-16 16:52:22
● 2026-05-07 10:18:56
○ 2026-08-02 13:11:16

○A88.214.197.2002017-01-29 → 2017-01-29 · 4 obs

○ 2016-06-22 18:33:18
● 2017-01-29 22:15:52
○ 2019-12-20 14:17:42
○ 2026-08-02 13:11:16

○A88.214.207.962019-12-20 → 2019-12-20 · 4 obs

○ 2017-01-29 22:15:52
● 2019-12-20 14:17:42
○ 2026-02-16 16:52:22
○ 2026-08-02 13:11:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
computerbasedtraining.com	ns1.domainmanage.com, ns2.domainmanage.com	2 records

✅ Authoritative Response

Server:173.245.59.4

NS records: ns1.domainmanage.com, ns2.domainmanage.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerbasedtraining.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.232, 172.67.208.155`
AAAA	2	`2606:4700:3034::6815:fe8, 2606:4700:3032::ac43:d09b`
NS	2	`ns1.domainmanage.com, ns2.domainmanage.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.domainmanage.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.domainmanage.com, ns2.domainmanage.com)

Analysis

Hierarchy

computerbasedtraining.com is the parent zone for ns.computerbasedtraining.com.

IP Addresses

computerbasedtraining.com resolves to four IP addresses: 104.21.15.232, 172.67.208.155, 2606:4700:3032::ac43:d09b and 2606:4700:3034::6815:fe8.

40f6a.com, olemagazine.co.uk, 021zxc.com and two other host names share IP numbers with computerbasedtraining.com.

Name Servers

The NS records for computerbasedtraining.com delegate to ns1.domainmanage.com and ns2.domainmanage.com.

computerbasedtraining.com uses the same name servers as several other domains — among them miracleready.com, timethod.com, purocare.com and two more.

ns1.domainmanage.com resolves to 173.245.59.4 and 2400:cb00:2049:1::adf5:3b04. Likewise, ns2.domainmanage.com resolves to 198.41.223.39 and 2400:cb00:2049:1::c629:df27 — two IP addresses apiece.