`mastercoupon.com`

DNSSEC	⚠️ Not signed
NS	`ns1.dyna-ns.net` ⭐ ⚠️ Not in zone NS records
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns1.dan.com`
		A	2603:5:2125::43^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.dan.com`
		A	97.74.98.67^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.dan.com`
NS	`ns2.dan.com`
		A	2603:5:2225::43^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.dan.com`
		A	173.201.66.67^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.dan.com`
NS	`ns2.dyna-ns.net` ⚠️ Not in zone NS records
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
SOA	`ns1.dyna-ns.net`hostmaster@mastercoupon.com serial=1757505784

`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=1775959132

Same first word

mastercoupon.com

Similar names

couponmaster.net

couponmaster.ru

sanocomputer.com

couponmaster.de

couponmaster.co.uk

nuestrocampo.com

DNS History

14 records (4 active, 10 former)

●NSns1.dan.com2026-04-04 → 2026-04-12 · 3 obs

○ 2017-10-12 19:34:48
● 2026-04-04 22:44:24
● 2026-04-12 02:28:40

●NSns1.dyna-ns.net2026-04-04 → 2026-04-12 · 3 obs

○ 2017-10-12 19:34:48
● 2026-04-04 22:44:24
● 2026-04-12 02:28:40

○NSns1.flippa.com2016-04-26 → 2016-04-26 · 4 obs

○ 2016-02-03 13:04:16
● 2016-04-26 12:32:26
○ 2016-12-05 03:18:58
○ 2026-04-12 02:28:40

○NSns1.sedoparking.com2015-12-27 → 2016-02-03 · 4 obs

● 2015-12-27 03:39:34
● 2016-02-03 13:04:16
○ 2016-04-26 12:32:26
○ 2026-04-12 02:28:40

○NSns1.uniregistrymarket.link2016-12-05 → 2017-10-12 · 5 obs

○ 2016-04-26 12:32:26
● 2016-12-05 03:18:58
● 2017-10-12 19:34:48
○ 2026-04-04 22:44:24
○ 2026-04-12 02:28:40

●NSns2.dan.com2026-04-04 → 2026-04-12 · 3 obs

○ 2017-10-12 19:34:48
● 2026-04-04 22:44:24
● 2026-04-12 02:28:40

●NSns2.dyna-ns.net2026-04-04 → 2026-04-12 · 3 obs

○ 2017-10-12 19:34:48
● 2026-04-04 22:44:24
● 2026-04-12 02:28:40

○NSns2.flippa.com2016-04-26 → 2016-04-26 · 4 obs

○ 2016-02-03 13:04:16
● 2016-04-26 12:32:26
○ 2016-12-05 03:18:58
○ 2026-04-12 02:28:40

○NSns2.sedoparking.com2015-12-27 → 2016-02-03 · 4 obs

● 2015-12-27 03:39:34
● 2016-02-03 13:04:16
○ 2016-04-26 12:32:26
○ 2026-04-12 02:28:40

○NSns2.uniregistrymarket.link2016-12-05 → 2017-10-12 · 5 obs

○ 2016-04-26 12:32:26
● 2016-12-05 03:18:58
● 2017-10-12 19:34:48
○ 2026-04-04 22:44:24
○ 2026-04-12 02:28:40

○MXmail.nickstel.com2015-12-27 → 2016-02-03 · 4 obs

● 2015-12-27 03:39:34
● 2016-02-03 13:04:16
○ 2016-12-05 03:18:58
○ 2026-04-12 02:28:40

○A52.200.223.1142016-04-26 → 2016-04-26 · 4 obs

○ 2016-02-03 13:04:16
● 2016-04-26 12:32:26
○ 2016-12-05 03:18:58
○ 2026-04-12 02:28:40

○A69.172.201.1532016-12-05 → 2017-10-12 · 5 obs

○ 2016-04-26 12:32:26
● 2016-12-05 03:18:58
● 2017-10-12 19:34:48
○ 2026-04-04 22:44:24
○ 2026-04-12 02:28:40

○A72.52.4.912015-12-27 → 2016-02-03 · 4 obs

● 2015-12-27 03:39:34
● 2016-02-03 13:04:16
○ 2016-04-26 12:32:26
○ 2026-04-12 02:28:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net...	-
mastercoupon.com	ns1.dan.com, ns2.dan.com, ns2.dyna-ns.net, ns1.dyna-ns.net	4 records

✅ Authoritative Response

Server:162.159.24.5

NS records: ns1.dan.com, ns2.dan.com, ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastercoupon.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.dyna-ns.net, ns2.dyna-ns.net`
SOA	1	`ns1.dyna-ns.net hostmaster.mastercoupon.`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dan.com, ns1.dan.com, ns2.dan.com...)

Analysis

Name Servers

mastercoupon.com delegates to four name servers: ns1.dan.com, ns2.dan.com, ns1.dyna-ns.net and ns2.dyna-ns.net.

mastercoupon.com at least partially shares name servers with other domains, for instance aeonplus.com, vsodas.com, 212-88-182-66.rev.ycn.com, galleryprime.com and hdmovie.co.uk.

These name servers are commonly used with ns1.undeveloped.com and ns2.undeveloped.com.

Host names with four IP numbers:

ns1.dyna-ns.net maps to: 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92, 162.159.27.158; ns2.dyna-ns.net maps to: 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5, 162.159.25.5.

Host names with two IP numbers:

ns1.dan.com maps to: 2603:5:2125::43, 97.74.98.67; ns2.dan.com maps to: 2603:5:2225::43, 173.201.66.67.

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