`concoursek.com`

DNSSEC	⚠️ Not signed
A	149.28.240.161^{🇺🇸 AS-VULTR149.28.240.0/20 Vultr Assigned Prefix}
		PTR	`concoursek.tempurl.host`
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:2801::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f27.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
TXT	`google-site-verification=pi90UnB4yeKHrxwkprbFnoeppnUQYbS4W2ux8vPQ8jY`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1751306828

`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=1771291435

Same first word

concoursek.com

DNS History

12 records (8 active, 4 former)

●NSdns1.registrar-servers.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

●NSdns2.registrar-servers.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

○NSns39.worldnic.com2015-06-13 → 2016-04-16 · 4 obs

● 2015-06-13 12:55:42
● 2016-04-16 20:30:28
○ 2016-11-28 13:09:38
○ 2026-03-23 01:13:54

○NSns40.worldnic.com2015-06-13 → 2016-04-16 · 4 obs

● 2015-06-13 12:55:42
● 2016-04-16 20:30:28
○ 2016-11-28 13:09:38
○ 2026-03-23 01:13:54

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

●MXaspmx.l.google.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

●MXaspmx2.googlemail.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

●MXaspmx3.googlemail.com2026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

○MXp.webcom.ctmail.com2015-12-27 → 2016-04-16 · 4 obs

● 2015-12-27 13:52:04
● 2016-04-16 20:30:28
○ 2016-11-28 13:09:38
○ 2026-03-23 01:13:54

●A149.28.240.1612026-02-15 → 2026-03-23 · 3 obs

○ 2016-11-28 13:09:38
● 2026-02-15 06:05:06
● 2026-03-23 01:13:54

○A208.91.197.272015-06-13 → 2016-04-16 · 4 obs

● 2015-06-13 12:55:42
● 2016-04-16 20:30:28
○ 2016-11-28 13:09:38
○ 2026-03-23 01:13:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
concoursek.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concoursek.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.28.240.161`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	1	`google-site-verification=pi90UnB4yeKHrxw`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

concoursek.com resolves to one IP number: 149.28.240.161.

Name Servers

concoursek.com is delegated to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.

concoursek.com shares the same name server setup as other domains, for instance timized.com, norseup.com, integrateful.net, gnupower.net and klklinik.com.