contribution-margin.com - dns.ninja

`contribution-margin.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:2514^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cb44^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.20^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.68^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`derek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
MX	`w01ba494.kasserver.com` ⭐
		A	85.13.165.198^{🇩🇪 NMM-AS85.13.165.0/24 Neue Medien Muennich}
			PTR	`dd30416.kasserver.com`
TXT	`google-site-verification=kX_PJBZOfZrIJtZCBx-wVJJrJcfDx8091OOyhFgEqoA`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.20, 172.67.203.68
		IPv6 hints	2606:4700:3037::6815:2514, 2606:4700:3037::ac43:cb44
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com
SOA	`derek.ns.cloudflare.com`dns@cloudflare.com serial=2406068305

`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=1782264925

🔒 HSTS Preload (+subdomains)

Same first word

contribution-margin.com

DNS History

17 records (7 active, 10 former)

●NSderek.ns.cloudflare.com2026-04-10 → 2026-06-24 · 3 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-06-24 01:44:18

●NSmary.ns.cloudflare.com2026-04-10 → 2026-06-24 · 3 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-06-24 01:44:18

○NSns.datacenter.no2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:51:24
○ 2015-10-28 15:58:22
○ 2026-06-24 01:44:18

○NSns2.datacenter.no2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:51:24
○ 2015-10-28 15:58:22
○ 2026-06-24 01:44:18

○MXmx.webhuset.no2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:51:24
○ 2015-10-28 15:58:22
○ 2026-06-24 01:44:18

●MXw01ba494.kasserver.com2026-04-10 → 2026-06-24 · 3 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-06-24 01:44:18

●A104.21.37.202026-04-10 → 2026-06-24 · 6 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-04-15 08:04:40
○ 2026-05-15 16:06:02
● 2026-06-24 01:44:16
● 2026-06-24 01:44:18

●A172.67.203.682026-04-10 → 2026-06-24 · 6 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-04-15 08:04:40
○ 2026-05-15 16:06:02
● 2026-06-24 01:44:16
● 2026-06-24 01:44:18

○A188.114.96.02026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-15 08:04:40
● 2026-05-15 16:06:02
○ 2026-06-24 01:44:16
○ 2026-06-24 01:44:18

○A188.114.97.02026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-15 08:04:40
● 2026-05-15 16:06:02
○ 2026-06-24 01:44:16
○ 2026-06-24 01:44:18

○A2606:4700:3030::6815:25142026-04-10 → 2026-04-15 · 5 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-04-15 08:04:40
○ 2026-05-15 16:06:02
○ 2026-06-24 01:44:18

○A2606:4700:3036::ac43:cb442026-04-10 → 2026-04-15 · 5 obs

○ 2015-10-28 15:58:22
● 2026-04-10 23:21:58
● 2026-04-15 08:04:40
○ 2026-05-15 16:06:02
○ 2026-06-24 01:44:18

●A2606:4700:3037::6815:25142026-06-24 → 2026-06-24 · 3 obs

○ 2026-05-15 16:06:02
● 2026-06-24 01:44:16
● 2026-06-24 01:44:18

●A2606:4700:3037::ac43:cb442026-06-24 → 2026-06-24 · 3 obs

○ 2026-05-15 16:06:02
● 2026-06-24 01:44:16
● 2026-06-24 01:44:18

○A2a06:98c1:3120::2026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-15 08:04:40
● 2026-05-15 16:06:02
○ 2026-06-24 01:44:16
○ 2026-06-24 01:44:18

○A2a06:98c1:3121::2026-05-15 → 2026-05-15 · 4 obs

○ 2026-04-15 08:04:40
● 2026-05-15 16:06:02
○ 2026-06-24 01:44:16
○ 2026-06-24 01:44:18

○A81.27.32.1302008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:51:24
○ 2015-10-28 15:58:22
○ 2026-06-24 01:44:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
contribution-margin.com	mary.ns.cloudflare.com, derek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.154

NS records: mary.ns.cloudflare.com, derek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contribution-margin.com (unsigned zone)

⏱️ Timing

Total: 601ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.203.68, 104.21.37.20`
AAAA	2	`2606:4700:3037::6815:2514, 2606:4700:3037::ac43:cb44`
NS	2	`derek.ns.cloudflare.com, mary.ns.cloudflare.com`
MX	1	`w01ba494.kasserver.com (pri: 10)`
TXT	2	`google-site-verification=kX_PJBZOfZrIJtZ, v=spf1 a mx include:spf.kasserver.com ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`derek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contribution-margin.com directs to four IP numbers, which are 104.21.37.20, 172.67.203.68, 2606:4700:3037::6815:2514 and 2606:4700:3037::ac43:cb44.

Two other host names, along with sindromedepanico.com.br, diariox.com.br and undrossystack.digital, also share IP numbers with contribution-margin.com.

Name Servers

Two name servers handle the delegation for contribution-margin.com: derek.ns.cloudflare.com and mary.ns.cloudflare.com.

contribution-margin.com shares its NS records with other domains, for example four-oh-four.net, for-trem.ca, fillrxplus.net and two others.

The name servers of contribution-margin.com overlap at least partially with those of other domains — among them kanjula.tv, 7z7775.com, atfcu.com and two more.

These name servers commonly appear in combination with the name servers erin.ns.cloudflare.com.

DNS names with 6 IP addresses:

derek.ns.cloudflare.com resolves to 108.162.193.154, 172.64.33.154 and 173.245.59.154 among others, with 3 other IP addresses in total.

mary.ns.cloudflare.com resolves to 108.162.192.134, 172.64.32.134 and 173.245.58.134 among others, with 3 other IP addresses in total.

Mail Servers

The sole mail server for contribution-margin.com is w01ba494.kasserver.com.

w01ba494.kasserver.com carries a single IP number, which is 85.13.165.198.