quartet4.com - dns.ninja

`quartet4.com`

DNSSEC	⚠️ Not signed
NS	`jay.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jay.ns.cloudflare.com`
		A	108.162.193.123^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	172.64.33.123^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	173.245.59.123^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
NS	`keyla.ns.cloudflare.com`
		A	2606:4700:50::a29f:26aa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keyla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keyla.ns.cloudflare.com`
		A	108.162.194.170^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
		A	162.159.38.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
		A	172.64.34.170^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keyla.ns.cloudflare.com`
MX	`mx1.startmail.com` ⭐
		A	2a02:22a0:bbb6:1d00::1001:25^{🇳🇱 ASN-ROUTIT2a02:22a0::/32 RoutIT B.V.}
			PTR	`mx1.startmail.com`
		A	145.131.90.133^{🇳🇱 ASN-ROUTIT145.131.64.0/18 RoutIT 20160803}
			PTR	`mx1.startmail.com`
MX	`mx2.startmail.com` ⭐
		A	2a02:22a0:bbb6:1d00::1002:25^{🇳🇱 ASN-ROUTIT2a02:22a0::/32 RoutIT B.V.}
			PTR	`mx2.startmail.com`
		A	145.131.90.149^{🇳🇱 ASN-ROUTIT145.131.64.0/18 RoutIT 20160803}
			PTR	`mx2.startmail.com`
TXT	`startmail-verification=a4000fa56641795f52be0bedfe920b7d`
TXT	`v=spf1 include:spf.startmail.com ~all`
SOA	`jay.ns.cloudflare.com`dns@cloudflare.com serial=2409158948

`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=1783766262

Same first word

quartet4.com

DNS History

7 records (4 active, 3 former)

○NSdns1.parastorage.com2020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 03:11:12
○ 2026-04-26 19:50:18
○ 2026-07-11 10:47:56

○NSdns2.parastorage.com2020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 03:11:12
○ 2026-04-26 19:50:18
○ 2026-07-11 10:47:56

●NSjay.ns.cloudflare.com2026-04-26 → 2026-07-11 · 3 obs

○ 2020-01-15 03:11:12
● 2026-04-26 19:50:18
● 2026-07-11 10:47:56

●NSkeyla.ns.cloudflare.com2026-04-26 → 2026-07-11 · 3 obs

○ 2020-01-15 03:11:12
● 2026-04-26 19:50:18
● 2026-07-11 10:47:56

●MXmx1.startmail.com2026-04-26 → 2026-07-11 · 2 obs

● 2026-04-26 19:50:18
● 2026-07-11 10:47:56

●MXmx2.startmail.com2026-04-26 → 2026-07-11 · 2 obs

● 2026-04-26 19:50:18
● 2026-07-11 10:47:56

○A185.230.61.1732020-01-15 → 2020-01-15 · 3 obs

● 2020-01-15 03:11:12
○ 2026-04-26 19:50:18
○ 2026-07-11 10:47:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
quartet4.com	jay.ns.cloudflare.com, keyla.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.59.123

NS records: jay.ns.cloudflare.com, keyla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quartet4.com (unsigned zone)

⏱️ Timing

Total: 278ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`jay.ns.cloudflare.com, keyla.ns.cloudflare.com`
MX	2	`mx1.startmail.com (pri: 10), mx2.startmail.com (pri: 10)`
TXT	2	`startmail-verification=a4000fa56641795f5, v=spf1 include:spf.startmail.com ~all`
SOA	1	`jay.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

quartet4.com uses two name servers for its delegation: jay.ns.cloudflare.com and keyla.ns.cloudflare.com.

quartet4.com has the same name server delegation as a number of other domains, such as caspianpolicy.org, rotary-club-sarreguemines.org, xprtv.live and two more.

quartet4.com shares at least some of its name servers with other domains, including r4940.com, funstudio-id.com, acahya.web.id and two others.

These name servers are frequently paired with the name servers clark.ns.cloudflare.com and lily.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname jay.ns.cloudflare.com directs to 108.162.193.123, 172.64.33.123 and 173.245.59.123 along with 3 other IP addresses.

Hostname keyla.ns.cloudflare.com directs to 108.162.194.170, 162.159.38.170 and 172.64.34.170 along with 3 other IP addresses.

Mail Servers

The MX records for quartet4.com point to two mail servers: mx1.startmail.com and mx2.startmail.com.

quartet4.com has the same mail server arrangement as a number of other domains, for example holowczak.net, mightreply.com, transientmemory.com and two more.

quartet4.com shares at least some of its mail servers with other domains — for example abortu.com, mcinconline.com, socams.com and two more.

The two host names mx1.startmail.com and mx2.startmail.com each have a pair of IP addresses: mx1.startmail.com has 145.131.90.133 and 2a02:22a0:bbb6:1d00::1001:25, and mx2.startmail.com has 145.131.90.149 and 2a02:22a0:bbb6:1d00::1002:25.