`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	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
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=2409430790

`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=1784830745

Same first word

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Similar names

ongroup.ch

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ongroup.info

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ongroup.net

nogroup.org

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
○ 2026-07-23 18:37:08

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

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

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

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

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

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

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

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

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

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

●NSblue.foundationdns.com2026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

●NSblue.foundationdns.net2026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

●NSblue.foundationdns.org2026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

●MXmx.zoho.com2019-12-19 → 2026-07-23 · 2 obs

● 2019-12-19 01:53:48
● 2026-07-23 18:37:08

●MXmx2.zoho.com2019-12-19 → 2026-07-23 · 2 obs

● 2019-12-19 01:53:48
● 2026-07-23 18:37:08

●MXmx3.zoho.com2019-12-19 → 2026-07-23 · 2 obs

● 2019-12-19 01:53:48
● 2026-07-23 18:37:08

●A104.18.28.362026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

●A104.18.29.362026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

○A23.192.230.122026-03-27 → 2026-07-23 · 2 obs

○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

●A2606:4700::6812:1c242026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

●A2606:4700::6812:1d242026-03-27 → 2026-07-23 · 3 obs

○ 2019-12-19 01:53:48
● 2026-03-27 04:37:58
● 2026-07-23 18:37:08

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

● 2019-12-19 01:53:48
○ 2026-03-27 04:37:58
○ 2026-07-23 18:37:08

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:162.159.60.31

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: 889ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.29.36, 104.18.28.36`
AAAA	2	`2606:4700::6812:1c24, 2606:4700::6812:1d24`
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`

Analysis

IP Addresses

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

iskenderun.iklimsa.com, www.raboni.fr.cdn.cloudflare.net, sotar.us plus two other host names have IP numbers in common with groupon.tech.

Name Servers

groupon.tech carries NS records delegating to blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org.

groupon.tech shares at least some of its name servers with other domains, including envpm.com, russia.online, nv.gov and two others.

These name servers are frequently seen alongside ns.utah.edu, dns1.p01.nsone.net, dns2.p01.nsone.net and 3 other name servers.

Hosts with 6 IP addresses each:

blue.foundationdns.com resolves to 108.162.198.1, 162.159.60.1 and 172.64.40.1 among others, with 3 other IP addresses in total.

blue.foundationdns.net resolves to 108.162.198.31, 162.159.60.31 and 172.64.40.31 among others, with 3 other IP addresses in total.

blue.foundationdns.org resolves to 108.162.198.61, 162.159.60.61 and 172.64.40.61 among others, with 3 other IP addresses in total.

Mail Servers

groupon.tech is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by groupon.tech are shared with other domains: agmbs.com, apifeature.com, arcticfoxandco.com and two others among them.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to one IP address: mx2.zoho.com to 136.143.183.44, and both mx3.zoho.com and mx.zoho.com to 204.141.43.44.

mx3.zoho.com along with mx.zoho.com each resolve to 204.141.43.44 IP addresses.

groupon.tech - robtex.com

groupon.tech

tech

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`groupon.tech`

`tech`