comcastfiber.net - dns.ninja

`comcastfiber.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3be5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:b8d4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.229^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.212^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alberto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c12^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c312^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alberto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2312^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alberto.ns.cloudflare.com`
		A	108.162.195.18^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	162.159.44.18^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	172.64.35.18^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
NS	`zariyah.ns.cloudflare.com`
		A	2606:4700:50::a29f:2648^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zariyah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c248^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zariyah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2248^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zariyah.ns.cloudflare.com`
		A	108.162.194.72^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zariyah.ns.cloudflare.com`
		A	162.159.38.72^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zariyah.ns.cloudflare.com`
		A	172.64.34.72^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zariyah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.59.229, 172.67.184.212
		IPv6 hints	2606:4700:3031::6815:3be5, 2606:4700:3031::ac43:b8d4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`alberto.ns.cloudflare.com`dns@cloudflare.com serial=2408995131

`net`

	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=1786742859

Subdomains

www.comcastfiber.net

Same first word

comcastfiber.net

DNS History

24 records (6 active, 18 former)

●NSalberto.ns.cloudflare.com2026-05-28 → 2026-08-14 · 3 obs

○ 2018-07-18 20:49:16
● 2026-05-28 14:44:02
● 2026-08-14 21:31:36

○NSns45.domaincontrol.com2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:28:58
○ 2015-11-09 17:13:14
○ 2026-08-14 21:31:36

○NSns46.domaincontrol.com2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:28:58
○ 2015-11-09 17:13:14
○ 2026-08-14 21:31:36

○NSns75.domaincontrol.com2018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○NSns76.domaincontrol.com2018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

●NSzariyah.ns.cloudflare.com2026-05-28 → 2026-08-14 · 3 obs

○ 2018-07-18 20:49:16
● 2026-05-28 14:44:02
● 2026-08-14 21:31:36

○MXmailstore1.secureserver.net2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:28:58
○ 2015-11-09 17:13:14
○ 2026-08-14 21:31:36

○MXsmtp.secureserver.net2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:28:58
○ 2015-11-09 17:13:14
○ 2026-08-14 21:31:36

●A104.21.59.2292026-05-28 → 2026-08-14 · 3 obs

○ 2018-07-18 20:49:16
● 2026-05-28 14:44:02
● 2026-08-14 21:31:36

●A172.67.184.2122026-05-28 → 2026-08-14 · 3 obs

○ 2018-07-18 20:49:16
● 2026-05-28 14:44:02
● 2026-08-14 21:31:36

○A184.168.221.332018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A184.168.221.362018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A184.168.221.372018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A184.168.221.392018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A184.168.221.402018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A184.168.221.532018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A184.168.221.542018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

●A2606:4700:3031::6815:3be52026-06-24 → 2026-08-14 · 3 obs

○ 2026-06-08 15:12:52
● 2026-06-24 14:04:02
● 2026-08-14 21:31:36

●A2606:4700:3031::ac43:b8d42026-06-24 → 2026-08-14 · 3 obs

○ 2026-06-08 15:12:52
● 2026-06-24 14:04:02
● 2026-08-14 21:31:36

○A2606:4700:3036::ac43:b8d42026-05-28 → 2026-06-08 · 5 obs

○ 2018-07-18 20:49:16
● 2026-05-28 14:44:02
● 2026-06-08 15:12:52
○ 2026-06-24 14:04:02
○ 2026-08-14 21:31:36

○A2606:4700:3037::6815:3be52026-05-28 → 2026-06-08 · 5 obs

○ 2018-07-18 20:49:16
● 2026-05-28 14:44:02
● 2026-06-08 15:12:52
○ 2026-06-24 14:04:02
○ 2026-08-14 21:31:36

○A50.63.202.492018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A50.63.202.612018-07-18 → 2018-07-18 · 4 obs

○ 2015-11-09 17:13:14
● 2018-07-18 20:49:16
○ 2026-05-28 14:44:02
○ 2026-08-14 21:31:36

○A50.63.202.762015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:28:58
○ 2015-11-09 17:13:14
○ 2026-08-14 21:31:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
comcastfiber.net	zariyah.ns.cloudflare.com, alberto.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.72

NS records: zariyah.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comcastfiber.net (unsigned zone)

⏱️ Timing

Total: 342ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.212, 104.21.59.229`
AAAA	2	`2606:4700:3031::ac43:b8d4, 2606:4700:3031::6815:3be5`
NS	2	`alberto.ns.cloudflare.com, zariyah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alberto.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

comcastfiber.net is a parent domain of www.comcastfiber.net.

IP Addresses

comcastfiber.net has four IP addresses: 104.21.59.229, 172.67.184.212, 2606:4700:3031::6815:3be5 and 2606:4700:3031::ac43:b8d4.

cartelera.h-active.website, migrant.ie, ngheanxanh.com plus two other host names have IP numbers in common with comcastfiber.net.

Name Servers

comcastfiber.net has two authoritative name servers — alberto.ns.cloudflare.com and zariyah.ns.cloudflare.com.

The name server configuration of comcastfiber.net is shared with other domains, for instance eoei.net, bbw(0x7075737379).net, echange-tomates.net and two others.

comcastfiber.net shares at least some of its name servers with other domains, including wodeshijiezuixinban.com.cn, tanggaroket.it.com, familyofficedatapro.info and two others.

These name servers are frequently paired with the name servers malavika.ns.cloudflare.com, nelly.ns.cloudflare.com and andy.ns.cloudflare.com.

Hosts with 6 IP addresses each:

alberto.ns.cloudflare.com points to 108.162.195.18, 162.159.44.18, 172.64.35.18 and 3 other IP addresses.

zariyah.ns.cloudflare.com points to 108.162.194.72, 162.159.38.72, 172.64.34.72 and 3 other IP addresses.