groupon.tech - dns.ninja

`groupon.tech`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700::6812:1c24^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1d24^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.28.36^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.29.36^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`blue.foundationdns.com` ⭐
		A	2606:4700:57::6ca2:c601^{🇺🇸 Cloudflare2606:4700:57::/48}
			PTR	`blue.foundationdns.com`
		A	2803:f800:52::a29f:3c01^{🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blue.foundationdns.com`
		A	2a06:98c1:56::ac40:2801^{🇺🇸 Cloudflare2a06:98c1:56::/48}
			PTR	`blue.foundationdns.com`
		A	108.162.198.1^{🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.com`
		A	162.159.60.1^{Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.com`
		A	172.64.40.1^{🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.com`
NS	`blue.foundationdns.net`
		A	2606:4700:57::6ca2:c61f^{🇺🇸 Cloudflare2606:4700:57::/48}
			PTR	`blue.foundationdns.net`
		A	2803:f800:52::a29f:3c1f^{🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blue.foundationdns.net`
		A	2a06:98c1:56::ac40:281f^{🇺🇸 Cloudflare2a06:98c1:56::/48}
			PTR	`blue.foundationdns.net`
		A	108.162.198.31^{🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.net`
		A	162.159.60.31^{Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.net`
		A	172.64.40.31^{🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.net`
NS	`blue.foundationdns.org`
		A	2606:4700:57::6ca2:c63d^{🇺🇸 Cloudflare2606:4700:57::/48}
			PTR	`blue.foundationdns.org`
		A	2803:f800:52::a29f:3c3d^{🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blue.foundationdns.org`
		A	2a06:98c1:56::ac40:283d^{🇺🇸 Cloudflare2a06:98c1:56::/48}
			PTR	`blue.foundationdns.org`
		A	108.162.198.61^{🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.org`
		A	162.159.60.61^{Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.org`
		A	172.64.40.61^{🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.org`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
TXT	`65cc967900784a2b93d612a7ff962513`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.28.36, 104.18.29.36
		IPv6 hints	2606:4700::6812:1c24, 2606:4700::6812:1d24
SOA	`blue.foundationdns.com`dns@cloudflare.com serial=2408994736

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1783716246

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DNS History

18 records (10 active, 8 former)

○NSa1-192.akam.net2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

○NSa2-65.akam.net2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

○NSa24-66.akam.net2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

○NSa28-67.akam.net2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

○NSa5-64.akam.net2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

○NSa7-65.akam.net2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

●NSblue.foundationdns.com2026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

●NSblue.foundationdns.net2026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

●NSblue.foundationdns.org2026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

●MXmx.zoho.com2019-12-19 → 2026-07-10 · 2 obs

● 2019-12-19 01:53:48
● 2026-07-10 21:09:00

●MXmx2.zoho.com2019-12-19 → 2026-07-10 · 2 obs

● 2019-12-19 01:53:48
● 2026-07-10 21:09:00

●MXmx3.zoho.com2019-12-19 → 2026-07-10 · 2 obs

● 2019-12-19 01:53:48
● 2026-07-10 21:09:00

●A104.18.28.362026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

●A104.18.29.362026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

○A23.192.230.122026-03-27 → 2026-07-10 · 2 obs

○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

●A2606:4700::6812:1c242026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

●A2606:4700::6812:1d242026-03-27 → 2026-07-10 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-10 21:09:00

○A54.153.161.1902019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-10 21:09:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.com, ns01.trs-dns.net	8 records
groupon.tech	blue.foundationdns.org, blue.foundationdns.net, blue.foundationdns.com	-

✅ Authoritative Response

Server:108.162.198.1

NS records: blue.foundationdns.org, blue.foundationdns.net, blue.foundationdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1057ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.29.36, 104.18.28.36`
AAAA	2	`2606:4700::6812:1d24, 2606:4700::6812:1c24`
NS	3	`blue.foundationdns.com, blue.foundationdns.net...`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	1	`65cc967900784a2b93d612a7ff962513`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`blue.foundationdns.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

groupon.tech has four IP addresses: 104.18.28.36, 104.18.29.36, 2606:4700::6812:1c24 and 2606:4700::6812:1d24.

Among the host names that share IP numbers with groupon.tech are iskenderun.iklimsa.com, www.raboni.fr.cdn.cloudflare.net, sotar.us and two others.

Name Servers

DNS for groupon.tech is handled by three authoritative name servers: blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org.

groupon.tech partially shares its NS delegation with several other domains, including envpm.com, russia.online, nv.gov and two others.

In DNS configurations, these name servers often share authority with ns.utah.edu, dns1.p01.nsone.net, dns2.p01.nsone.net and 3 other name servers.

Host names resolving to 6 IP numbers:

blue.foundationdns.com has IP addresses 108.162.198.1, 162.159.60.1 and 172.64.40.1, plus 3 other.

blue.foundationdns.net has IP addresses 108.162.198.31, 162.159.60.31 and 172.64.40.31, plus 3 other.

blue.foundationdns.org has IP addresses 108.162.198.61, 162.159.60.61 and 172.64.40.61, plus 3 other.

Mail Servers

groupon.tech uses three mail servers — mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

groupon.tech shares at least some of its mail servers with other domains — for example agmbs.com, apifeature.com, arcticfoxandco.com and two more.

Three hosts, each with one IP address: mx2.zoho.com → 204.141.33.44; mx3.zoho.com → 204.141.43.44; mx.zoho.com → 204.141.43.44.

Host names pointing to 204.141.43.44 IP addresses: mx3.zoho.com and mx.zoho.com.