`linuxcup.com`

DNSSEC	⚠️ Not signed
A	43.209.250.33^{🇺🇸 Amazon43.208.0.0/15 EC2 BKK Prefix}
		PTR	`ec2-43-209-250-33.ap-southeast-7.compute.amazonaws.com`
NS	`anahi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2618^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anahi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c218^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anahi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2218^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anahi.ns.cloudflare.com`
		A	108.162.194.24^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anahi.ns.cloudflare.com`
		A	162.159.38.24^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anahi.ns.cloudflare.com`
		A	172.64.34.24^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anahi.ns.cloudflare.com`
NS	`harlan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlan.ns.cloudflare.com`
		A	108.162.195.250^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	162.159.44.250^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	172.64.35.250^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
MX	`mailgw.linuxcup.com` ⭐
		A	103.142.151.133^{MCL-AS-AP103.142.150.0/23 Maxnito Company Limited 159 Krungsrinai road T. Naimueng}
			PTR	`mailgw.linuxcup.com`
MX	`mail.linuxcup.com`⁽¹⁰⁾
		A	210.1.59.107^{🇹🇭 CSLOX-IDC-AS-AP210.1.59.0/24 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
SOA	`anahi.ns.cloudflare.com`dns@cloudflare.com serial=2403598567

`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=1778358601

Subdomains

ns1.linuxcup.com

ns2.linuxcup.com

mailgw.linuxcup.com

mail.linuxcup.com

Same first word

linuxcup.de

linuxcup.com

DNS History

12 records (5 active, 7 former)

●NSanahi.ns.cloudflare.com2026-02-17 → 2026-05-09 · 3 obs

○ 2017-07-09 22:24:02
● 2026-02-17 03:52:58
● 2026-05-09 20:34:36

●NSharlan.ns.cloudflare.com2026-02-17 → 2026-05-09 · 3 obs

○ 2017-07-09 22:24:02
● 2026-02-17 03:52:58
● 2026-05-09 20:34:36

○NSns1.linuxcup.com2015-08-10 → 2017-07-09 · 4 obs

● 2015-08-10 16:17:28
● 2017-07-09 22:24:02
○ 2026-02-17 03:52:58
○ 2026-05-09 20:34:36

○NSns2.linuxcup.com2015-08-10 → 2017-07-09 · 4 obs

● 2015-08-10 16:17:28
● 2017-07-09 22:24:02
○ 2026-02-17 03:52:58
○ 2026-05-09 20:34:36

●MXmail.linuxcup.com2015-08-10 → 2026-05-09 · 2 obs

● 2015-08-10 16:17:28
● 2026-05-09 20:34:36

●MXmailgw.linuxcup.com2026-02-17 → 2026-05-09 · 3 obs

○ 2015-08-10 16:17:28
● 2026-02-17 03:52:58
● 2026-05-09 20:34:36

○A104.21.79.2502026-02-17 → 2026-04-02 · 5 obs

○ 2017-07-09 22:24:02
● 2026-02-17 03:52:58
● 2026-04-02 07:56:42
○ 2026-05-06 11:23:18
○ 2026-05-09 20:34:36

○A119.59.126.752015-08-10 → 2017-07-09 · 4 obs

● 2015-08-10 16:17:28
● 2017-07-09 22:24:02
○ 2026-02-17 03:52:58
○ 2026-05-09 20:34:36

○A172.67.172.82026-02-17 → 2026-04-02 · 5 obs

○ 2017-07-09 22:24:02
● 2026-02-17 03:52:58
● 2026-04-02 07:56:42
○ 2026-05-06 11:23:18
○ 2026-05-09 20:34:36

○A2606:4700:3030::6815:4ffa2026-02-17 → 2026-04-02 · 5 obs

○ 2017-07-09 22:24:02
● 2026-02-17 03:52:58
● 2026-04-02 07:56:42
○ 2026-05-06 11:23:18
○ 2026-05-09 20:34:36

○A2606:4700:3037::ac43:ac082026-02-17 → 2026-04-02 · 5 obs

○ 2017-07-09 22:24:02
● 2026-02-17 03:52:58
● 2026-04-02 07:56:42
○ 2026-05-06 11:23:18
○ 2026-05-09 20:34:36

●A43.209.250.332026-05-06 → 2026-05-09 · 3 obs

○ 2026-04-02 07:56:42
● 2026-05-06 11:23:18
● 2026-05-09 20:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxcup.com	anahi.ns.cloudflare.com, harlan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.24

NS records: anahi.ns.cloudflare.com, harlan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxcup.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.209.250.33`
NS	2	`anahi.ns.cloudflare.com, harlan.ns.cloudflare.com`
MX	2	`mail.linuxcup.com (pri: 10), mailgw.linuxcup.com (pri: 5)`
SOA	1	`anahi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

linuxcup.com has children ns1.linuxcup.com, ns2.linuxcup.com, mailgw.linuxcup.com and mail.linuxcup.com.

IP Addresses

linuxcup.com maps to IP address 43.209.250.33.

Other host names, for example, mail.pasaya.com share IP numbers with linuxcup.com.

Name Servers

Two name servers anahi.ns.cloudflare.com and harlan.ns.cloudflare.com are delegated to linuxcup.com.

linuxcup.com uses the same name server configuration as other domains, such as batcat.org, reviseordie.com, 365ok5.com, 44wb999.com and 365k06.com.

linuxcup.com at least partially shares name servers with other domains such as tubesz.com, asumup.com, feierabendmarkt-schwelm.de, eearz.com and grlapa.com.br.

These name servers are commonly used with nena.ns.cloudflare.com and brian.ns.cloudflare.com.

Host names with six IP numbers: Host name anahi.ns.cloudflare.com points to 2606:4700:50::a29f:2618, 2803:f800:50::6ca2:c218, 2a06:98c1:50::ac40:2218, 108.162.194.24, 162.159.38.24 and 172.64.34.24; host name harlan.ns.cloudflare.com points to 2606:4700:58::a29f:2cfa, 2803:f800:50::6ca2:c3fa, 2a06:98c1:50::ac40:23fa, 108.162.195.250, 162.159.44.250 and 172.64.35.250.

Mail Servers

Two mail servers handle linuxcup.com: mail.linuxcup.com and mailgw.linuxcup.com.

Host names with a single IP address:

mail.linuxcup.com points to 210.1.59.107

mailgw.linuxcup.com points to 103.142.151.133

linuxcup.com - robtex.com

linuxcup.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`linuxcup.com`

`com`