`internalspark.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d4a1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3576^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.118^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.161^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`doug.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
NS	`tess.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.53.118, 172.67.212.161
		IPv6 hints	2606:4700:3034::ac43:d4a1, 2606:4700:3035::6815:3576
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2403127566

`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=1778872676

Previously MX for

internalspark.com

Subdomains

mail.internalspark.com

Same first word

internalspark.com

DNS History

14 records (6 active, 8 former)

●NSdoug.ns.cloudflare.com2026-03-26 → 2026-05-15 · 3 obs

○ 2017-03-27 21:22:00
● 2026-03-26 22:42:36
● 2026-05-15 19:27:58

○NSns5.d9hosting.com2016-07-16 → 2017-03-27 · 5 obs

○ 2016-03-21 02:52:46
● 2016-07-16 10:39:54
● 2017-03-27 21:22:00
○ 2026-03-26 22:42:36
○ 2026-05-15 19:27:58

○NSns6.d9hosting.com2016-07-16 → 2017-03-27 · 5 obs

○ 2016-03-21 02:52:46
● 2016-07-16 10:39:54
● 2017-03-27 21:22:00
○ 2026-03-26 22:42:36
○ 2026-05-15 19:27:58

○NSns8341.hostgator.com2016-03-21 → 2016-03-21 · 3 obs

● 2016-03-21 02:52:46
○ 2016-07-16 10:39:54
○ 2026-05-15 19:27:58

○NSns8342.hostgator.com2016-03-21 → 2016-03-21 · 3 obs

● 2016-03-21 02:52:46
○ 2016-07-16 10:39:54
○ 2026-05-15 19:27:58

●NStess.ns.cloudflare.com2026-03-26 → 2026-05-15 · 3 obs

○ 2017-03-27 21:22:00
● 2026-03-26 22:42:36
● 2026-05-15 19:27:58

○MXinternalspark.com2016-07-16 → 2017-03-27 · 5 obs

○ 2016-03-21 02:52:46
● 2016-07-16 10:39:54
● 2017-03-27 21:22:00
○ 2026-03-26 22:42:36
○ 2026-05-15 19:27:58

○MXmail.internalspark.com2016-03-21 → 2016-03-21 · 3 obs

● 2016-03-21 02:52:46
○ 2016-07-16 10:39:54
○ 2026-05-15 19:27:58

●A104.21.53.1182026-03-26 → 2026-05-15 · 3 obs

○ 2017-03-27 21:22:00
● 2026-03-26 22:42:36
● 2026-05-15 19:27:58

○A108.167.141.1962016-03-21 → 2016-03-21 · 3 obs

● 2016-03-21 02:52:46
○ 2016-07-16 10:39:54
○ 2026-05-15 19:27:58

○A108.61.50.1392016-07-16 → 2017-03-27 · 5 obs

○ 2016-03-21 02:52:46
● 2016-07-16 10:39:54
● 2017-03-27 21:22:00
○ 2026-03-26 22:42:36
○ 2026-05-15 19:27:58

●A172.67.212.1612026-03-26 → 2026-05-15 · 3 obs

○ 2017-03-27 21:22:00
● 2026-03-26 22:42:36
● 2026-05-15 19:27:58

●A2606:4700:3034::ac43:d4a12026-03-26 → 2026-05-15 · 3 obs

○ 2017-03-27 21:22:00
● 2026-03-26 22:42:36
● 2026-05-15 19:27:58

●A2606:4700:3035::6815:35762026-03-26 → 2026-05-15 · 3 obs

○ 2017-03-27 21:22:00
● 2026-03-26 22:42:36
● 2026-05-15 19:27:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
internalspark.com	doug.ns.cloudflare.com, tess.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.159

NS records: doug.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for internalspark.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.161, 104.21.53.118`
AAAA	2	`2606:4700:3034::ac43:d4a1, 2606:4700:3035::6815:3576`
NS	2	`doug.ns.cloudflare.com, tess.ns.cloudflare.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`doug.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (doug.ns.cloudflare.com, doug.ns.cloudflare.com, doug.ns.cloudflare.com...)

Analysis

Hierarchy

mail.internalspark.com is a child of internalspark.com.

IP Addresses

internalspark.com refers to four IP numbers: 2606:4700:3034::ac43:d4a1, 2606:4700:3035::6815:3576, 104.21.53.118 and 172.67.212.161.

Other host names, for instance sprintserwer.pl, performancemarketingworld.com, bolatangkas.me, ateapic.ch and www.washcoll.edu share IP numbers with internalspark.com.

Name Servers

internalspark.com's delegation uses two name servers: doug.ns.cloudflare.com and tess.ns.cloudflare.com.

internalspark.com uses the same name server setup as other domains, such as pawncorp.com, ivirtual.net, southerncravings.com, redroseshop.com and linkimiver.com.

internalspark.com at least partially shares name servers with other domains, including gemsoo-sharjah.com, datakart.io, c7h5666.com, thaifrawaistea.sa.com and mondrev.sk.

These name servers are commonly used with chan.ns.cloudflare.com.

Host names with six IP numbers:

doug.ns.cloudflare.com points to 2606:4700:58::adf5:3b9f, 2803:f800:50::6ca2:c19f, 2a06:98c1:50::ac40:219f, 108.162.193.159, 172.64.33.159 and 173.245.59.159.

tess.ns.cloudflare.com points to 2606:4700:50::adf5:3ae3, 2803:f800:50::6ca2:c0e3, 2a06:98c1:50::ac40:20e3, 108.162.192.227, 172.64.32.227 and 173.245.58.227.

internalspark.com - robtex.com