`arstraininghub.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700::6812:690^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:790^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.6.144^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.7.144^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.necam.net` ⭐
		A	2400:cb00:2049:1::a29f:f0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.0.240^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.necam.net`
		A	2400:cb00:2049:1::a29f:1f4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.1.244^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.necam.net`
		A	2400:cb00:2049:1::a29f:2ea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.2.234^{Cloudflare162.159.2.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.necam.net`
		A	2400:cb00:2049:1::a29f:3fc^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.3.252^{Cloudflare162.159.3.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.6.144, 104.18.7.144
		IPv6 hints	2606:4700::6812:690, 2606:4700::6812:790
SOA	`ns1.necam.net`dns@cloudflare.com serial=2403304218

`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=1778498476

Same first word

arstraininghub.com

DNS History

8 records (8 active, 0 former)

●NSns1.necam.net2026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●NSns2.necam.net2026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●NSns3.necam.net2026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●NSns4.necam.net2026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●A104.18.6.1442026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●A104.18.7.1442026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●A2606:4700::6812:6902026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

●A2606:4700::6812:7902026-04-29 → 2026-05-11 · 2 obs

● 2026-04-29 09:41:24
● 2026-05-11 11:24:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
arstraininghub.com	ns1.necam.net, ns2.necam.net, ns3.necam.net, ns4.necam.net	-

✅ Authoritative Response

Server:162.159.3.252

NS records: ns1.necam.net, ns2.necam.net, ns3.necam.net, ns4.necam.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.6.144, 104.18.7.144`
AAAA	2	`2606:4700::6812:790, 2606:4700::6812:690`
NS	4	`ns1.necam.net, ns2.necam.net...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`ns1.necam.net dns.cloudflare.com`

Analysis

IP Addresses

arstraininghub.com maps to four IP numbers: 2606:4700::6812:690, 2606:4700::6812:790, 104.18.6.144 and 104.18.7.144.

Other host names, for instance parkatpearson.net, me.gov.ua.cdn.cloudflare.net, me.gov.ua, relay-proxy.skiff.com and pruittcares.org share IP numbers with arstraininghub.com.

Name Servers

arstraininghub.com's delegation is handled by four name servers: ns1.necam.net, ns2.necam.net, ns3.necam.net and ns4.necam.net.

arstraininghub.com partially shares name servers with other domains; examples include nec-nss.com, necxp.com, necnetworks.com, idelight.tech and necbiometrics.net.

These name servers are often used with the name servers dara.ns.cloudflare.com and hugh.ns.cloudflare.com.

Host names with two IPs:

ns1.necam.net points to 2400:cb00:2049:1::a29f:f0 and 162.159.0.240

ns2.necam.net points to 2400:cb00:2049:1::a29f:1f4 and 162.159.1.244

ns3.necam.net points to 2400:cb00:2049:1::a29f:2ea and 162.159.2.234

ns4.necam.net points to 2400:cb00:2049:1::a29f:3fc and 162.159.3.252

arstraininghub.com - robtex.com