`doubletree.jp`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d63f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:4dfe^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.254^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.63^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`decker.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`decker.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`decker.ns.cloudflare.com`
		A	108.162.195.155^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
		A	162.159.44.155^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
		A	172.64.35.155^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`decker.ns.cloudflare.com`
NS	`vita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
MX	`relay1.netnames.net` ⭐
		A	185.26.230.83^{🇬🇧 NETNAMES185.26.230.0/24 NetNames Operations Limited}
			PTR	`relay1.netnames.net`
TXT	`google-site-verification=OMD2xublCaLafLwOK0RT3SynyDI8kQvJ3Vmqc1h-7ew`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.254, 172.67.214.63
		IPv6 hints	2606:4700:3030::ac43:d63f, 2606:4700:3033::6815:4dfe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`decker.ns.cloudflare.com`dns@cloudflare.com serial=2400013489

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1778310903

Same first word

doubletree.com.cn

doubletree.com

doubletree.jp

doubletree.mobi

DNS History

17 records (7 active, 10 former)

●NSdecker.ns.cloudflare.com2026-02-26 → 2026-05-09 · 3 obs

○ 2020-01-23 23:52:42
● 2026-02-26 02:05:48
● 2026-05-09 07:28:50

○NSns1.netnames.net2015-06-07 → 2020-01-23 · 4 obs

● 2015-06-07 15:36:36
● 2020-01-23 23:52:42
○ 2026-02-26 02:05:48
○ 2026-05-09 07:28:50

○NSns2.netnames.net2015-06-07 → 2020-01-23 · 4 obs

● 2015-06-07 15:36:36
● 2020-01-23 23:52:42
○ 2026-02-26 02:05:48
○ 2026-05-09 07:28:50

○NSns5.netnames.net2015-06-07 → 2020-01-23 · 4 obs

● 2015-06-07 15:36:36
● 2020-01-23 23:52:42
○ 2026-02-26 02:05:48
○ 2026-05-09 07:28:50

○NSns6.netnames.net2015-06-07 → 2020-01-23 · 4 obs

● 2015-06-07 15:36:36
● 2020-01-23 23:52:42
○ 2026-02-26 02:05:48
○ 2026-05-09 07:28:50

●NSvita.ns.cloudflare.com2026-02-26 → 2026-05-09 · 3 obs

○ 2020-01-23 23:52:42
● 2026-02-26 02:05:48
● 2026-05-09 07:28:50

●MXrelay1.netnames.net2015-06-07 → 2026-05-09 · 2 obs

● 2015-06-07 15:36:36
● 2026-05-09 07:28:50

○MXrelay2.netnames.net2015-06-07 → 2020-01-23 · 4 obs

● 2015-06-07 15:36:36
● 2020-01-23 23:52:42
○ 2026-02-26 02:05:48
○ 2026-05-09 07:28:50

●A104.21.77.2542026-02-26 → 2026-05-09 · 8 obs

○ 2020-01-23 23:52:42
● 2026-02-26 02:05:48
● 2026-03-24 10:42:58
○ 2026-03-26 19:46:22
● 2026-04-14 22:54:38
○ 2026-04-28 08:34:10
● 2026-05-01 20:35:56
● 2026-05-09 07:28:50

○A125.206.115.772015-06-07 → 2020-01-23 · 4 obs

● 2015-06-07 15:36:36
● 2020-01-23 23:52:42
○ 2026-02-26 02:05:48
○ 2026-05-09 07:28:50

●A172.67.214.632026-02-26 → 2026-05-09 · 8 obs

○ 2020-01-23 23:52:42
● 2026-02-26 02:05:48
● 2026-03-24 10:42:58
○ 2026-03-26 19:46:22
● 2026-04-14 22:54:38
○ 2026-04-28 08:34:10
● 2026-05-01 20:35:56
● 2026-05-09 07:28:50

○A188.114.96.02026-03-26 → 2026-04-28 · 6 obs

○ 2026-03-24 10:42:58
● 2026-03-26 19:46:22
○ 2026-04-14 22:54:38
● 2026-04-28 08:34:10
○ 2026-05-01 20:35:56
○ 2026-05-09 07:28:50

○A188.114.97.02026-03-26 → 2026-04-28 · 6 obs

○ 2026-03-24 10:42:58
● 2026-03-26 19:46:22
○ 2026-04-14 22:54:38
● 2026-04-28 08:34:10
○ 2026-05-01 20:35:56
○ 2026-05-09 07:28:50

●A2606:4700:3030::ac43:d63f2026-02-26 → 2026-05-09 · 6 obs

○ 2020-01-23 23:52:42
● 2026-02-26 02:05:48
● 2026-03-24 10:42:58
○ 2026-03-26 19:46:22
● 2026-04-14 22:54:38
● 2026-05-09 07:28:50

●A2606:4700:3033::6815:4dfe2026-02-26 → 2026-05-09 · 6 obs

○ 2020-01-23 23:52:42
● 2026-02-26 02:05:48
● 2026-03-24 10:42:58
○ 2026-03-26 19:46:22
● 2026-04-14 22:54:38
● 2026-05-09 07:28:50

○A2a06:98c1:3120::2026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-24 10:42:58
● 2026-03-26 19:46:22
○ 2026-04-14 22:54:38
○ 2026-05-09 07:28:50

○A2a06:98c1:3121::2026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-24 10:42:58
● 2026-03-26 19:46:22
○ 2026-04-14 22:54:38
○ 2026-05-09 07:28:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	b.dns.jp, a.dns.jp, f.dns.jp, h.dns.jp...	-
doubletree.jp	decker.ns.cloudflare.com, vita.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.238

NS records: decker.ns.cloudflare.com, vita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubletree.jp (unsigned zone)

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.254, 172.67.214.63`
AAAA	2	`2606:4700:3033::6815:4dfe, 2606:4700:3030::ac43:d63f`
NS	2	`decker.ns.cloudflare.com, vita.ns.cloudflare.com`
MX	1	`relay1.netnames.net (pri: 10)`
TXT	1	`google-site-verification=OMD2xublCaLafLw`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`decker.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

doubletree.jp points to four IP numbers: 2606:4700:3030::ac43:d63f, 2606:4700:3033::6815:4dfe, 104.21.77.254 and 172.67.214.63.

For instance, other host names sourcedev.app, dyspatchit.net, abercrombieclothessale.net, gmaccustomparts.com and immucor.ru share IP numbers with doubletree.jp.

Name Servers

doubletree.jp is delegated to two name servers: decker.ns.cloudflare.com and vita.ns.cloudflare.com.

doubletree.jp uses the same name server setup as other domains such as hiltontokyo.jp, conradtokyo.co.jp, hiltonodawara.jp, hiltontokyobay.jp and iss-casis.org.

doubletree.jp shares name servers with other domains at least partially, for example grok28g.icu, nikita.lt, toplistgameh5.com, duboulder.com and kigi.com.br.

These name servers are commonly used with malavika.ns.cloudflare.com.

Host names with six IP numbers: host name decker.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9b, 2803:f800:50::6ca2:c39b, 2a06:98c1:50::ac40:239b, 108.162.195.155, 162.159.44.155 and 172.64.35.155; host name vita.ns.cloudflare.com points to: 2606:4700:50::adf5:3aee, 2803:f800:50::6ca2:c0ee, 2a06:98c1:50::ac40:20ee, 108.162.192.238, 172.64.32.238 and 173.245.58.238.

Mail Servers

doubletree.jp is handled by a single mail server, relay1.netnames.net.

doubletree.jp shares the same mail server setup as other domains, for instance airmiles.co.uk, cazenovecapital.ie, mercerdelta.co.at, diomed.net and rbscareers.jobs.

doubletree.jp shares mail servers with other domains at least partially; for instance medpace.co.il, lgw.co.uk, utasbiztositas.co, poferriesagents.info and mb-education.com.

these mail servers are commonly used with the mail servers relay2.netnames.net.

relay1.netnames.net points to a single IP: 185.26.230.83.

doubletree.jp - robtex.com

doubletree.jp

jp

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`doubletree.jp`

`jp`