double-grass.com - dns.ninja

`double-grass.com`

DNSSEC	⚠️ Not signed
A	202.39.234.51^{🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`k7.kukan.tw`
NS	`n56.kukan.tw` ⭐
		A	202.39.234.56^{🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`202-39-234-56.hinet-ip.hinet.net`
NS	`n57.kukan.tw`
		A	202.39.234.57^{🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`202-39-234-57.hinet-ip.hinet.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
TXT	`v=spf1 +a +mx +ip4:202.39.234.51 ~all`
SOA	`n56.kukan.tw`server@kukan.tw 2019-04-15 #0

`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=1785127337

Same first word

double-grass.com

DNS History

11 records (7 active, 4 former)

●NSn56.kukan.tw2020-01-31 → 2026-07-27 · 3 obs

○ 2017-03-20 09:23:02
● 2020-01-31 09:55:44
● 2026-07-27 04:49:58

●NSn57.kukan.tw2020-01-31 → 2026-07-27 · 3 obs

○ 2017-03-20 09:23:02
● 2020-01-31 09:55:44
● 2026-07-27 04:49:58

○NSns37.g-dns.com2015-05-14 → 2017-03-20 · 4 obs

● 2015-05-14 04:15:26
● 2017-03-20 09:23:02
○ 2020-01-31 09:55:44
○ 2026-07-27 04:49:58

○NSns38.g-dns.com2015-05-14 → 2017-03-20 · 4 obs

● 2015-05-14 04:15:26
● 2017-03-20 09:23:02
○ 2020-01-31 09:55:44
○ 2026-07-27 04:49:58

●MXalt1.aspmx.l.google.com2015-05-14 → 2026-07-27 · 2 obs

● 2015-05-14 04:15:26
● 2026-07-27 04:49:58

●MXalt2.aspmx.l.google.com2015-05-14 → 2026-07-27 · 2 obs

● 2015-05-14 04:15:26
● 2026-07-27 04:49:58

●MXaspmx.l.google.com2015-05-14 → 2026-07-27 · 2 obs

● 2015-05-14 04:15:26
● 2026-07-27 04:49:58

●MXaspmx2.googlemail.com2015-05-14 → 2026-07-27 · 2 obs

● 2015-05-14 04:15:26
● 2026-07-27 04:49:58

○MXaspmx3.googlemail.com2015-05-14 → 2017-03-20 · 4 obs

● 2015-05-14 04:15:26
● 2017-03-20 09:23:02
○ 2020-01-31 09:55:44
○ 2026-07-27 04:49:58

○A122.147.183.492015-05-14 → 2017-03-20 · 4 obs

● 2015-05-14 04:15:26
● 2017-03-20 09:23:02
○ 2020-01-31 09:55:44
○ 2026-07-27 04:49:58

●A202.39.234.512020-01-31 → 2026-07-27 · 3 obs

○ 2017-03-20 09:23:02
● 2020-01-31 09:55:44
● 2026-07-27 04:49:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
double-grass.com	n56.kukan.tw, n57.kukan.tw	-

✅ Authoritative Response

Server:202.39.234.56

NS records: n56.kukan.tw, n57.kukan.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for double-grass.com (unsigned zone)

⏱️ Timing

Total: 980ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.39.234.51`
NS	2	`n56.kukan.tw, n57.kukan.tw`
MX	4	`aspmx2.googlemail.com (pri: 10), aspmx.l.google.com (pri: 1)...`
TXT	1	`v=spf1 +a +mx +ip4:202.39.234.51 ~all`
SOA	1	`n56.kukan.tw server.kukan.tw`

Analysis

IP Addresses

double-grass.com points to a single IP number: 202.39.234.51.

Additional host names — besteastern.com.tw, neostarpack.net, k7.kukan.tw and two others — share IP numbers with double-grass.com.

Name Servers

double-grass.com is served by two delegated name servers, n56.kukan.tw and n57.kukan.tw.

double-grass.com shares its name server setup with other domains, including fmtic.com, 1000hands.idv.tw, herb-tw.com and two others.

double-grass.com shares at least some of its name servers with other domains, such as koocloud.net and tw-no1.com.

These name servers are frequently paired with the name servers ns1.kukan.tw and ns2.kukan.tw.

n56.kukan.tw and n57.kukan.tw each resolve to one IP number: n56.kukan.tw points to 202.39.234.56 and n57.kukan.tw points to 202.39.234.57.

Mail Servers

Four mail servers handle email for double-grass.com: aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

double-grass.com shares mail servers — at least in part — with other domains, including ns500671.ns500742.ns500754.ns500742.ns500671.ns500671.ns500688.ns500688.ns500671.ns500688.ns500704.ns500678.ns500678.ns500688.ns500671.ns500649.lustychickser.com, ns500698.ns500698.ns500736.ns500735.ns500735.ns500698.ns500735.ns500698.ns500735.ns500708.ns500686.ns500619.ns500652.ns500576.trackreceptor.com, ns500768.ns500759.ns500758.ns500698.ns500736.ns500735.ns500736.ns500735.ns500698.ns500735.ns500708.ns500708.ns500619.ns500619.ns500686.ns500619.trackreceptor.com and two others.

These mail servers are frequently used alongside the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx3.googlemail.com, plus two others.

The host names aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com each resolve to two IP addresses: aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a; aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c23::1a; alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b; alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.