`dtthotel.com`

DNSSEC	⚠️ Not signed
A	171.244.20.20^{🇻🇳 VTDC-AS-VN171.244.16.0/21 Proxy-registered route object}
NS	`nspa2.trust.vn` ⭐
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nspa1.trust.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
MX	`32tgiuuavzfsi3m73r3mxsypfco43gpim3mvlips2s2cg4vchvva.mx-verification.google.com`⁽¹⁵⁾
TXT	`x0m7cdxvp0801t57kjm7h88bb262zx1y`
TXT	`google-site-verification=rgg57NLzyt1bNVdlgAh1wNOdv3B7z8hjvZDXW22zVBk`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`f1l96nfr7dd3ny7d1nnnrxn5v34q70v9`
TXT	`v4pfm5wxtn63r4f95pdg3prmfjg0yp37`
TXT	`_cpbm3z2w0sv1np7cfvuzhekj860wod0`
TXT	`_f3vjyb0polo5k91cdf4iooeoomqzous`
SOA	`nspa2.trust.vn`hostmaster@dtthotel.com 2025-09-24 #32

`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=1778378876

Subdomains

harry1.dtthotel.com

harry3.dtthotel.com

Same first word

dtthotel.com

DNS History

14 records (9 active, 5 former)

○NSns1.pavietnam.vn2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 18:26:28
● 2017-02-10 20:19:10
○ 2020-04-07 18:26:44
○ 2026-05-10 02:37:42

○NSns2.pavietnam.vn2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 18:26:28
● 2017-02-10 20:19:10
○ 2020-04-07 18:26:44
○ 2026-05-10 02:37:42

○NSnsbak.pavietnam.net2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 18:26:28
● 2017-02-10 20:19:10
○ 2020-04-07 18:26:44
○ 2026-05-10 02:37:42

●NSnspa1.trust.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●NSnspa2.trust.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●MX32tgiuuavzfsi3m73r3mxsypfco43gpim3mvlips2s2cg4vchvva.mx-verification.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

●MXaspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

○MXmail.dtthotel.com2015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 18:26:28
● 2017-02-10 20:19:10
○ 2020-04-07 18:26:44
○ 2026-05-10 02:37:42

○A112.213.89.382015-07-05 → 2017-02-10 · 4 obs

● 2015-07-05 18:26:28
● 2017-02-10 20:19:10
○ 2020-04-07 18:26:44
○ 2026-05-10 02:37:42

●A171.244.20.202026-05-01 → 2026-05-10 · 3 obs

○ 2020-04-07 18:26:44
● 2026-05-01 17:45:06
● 2026-05-10 02:37:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dtthotel.com	nspa2.trust.vn, nspa1.trust.vn	-

✅ Authoritative Response

Server:112.213.89.3

NS records: nspa2.trust.vn, nspa1.trust.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dtthotel.com (unsigned zone)

⏱️ Timing

Total: 4710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`171.244.20.20`
NS	2	`nspa2.trust.vn, nspa1.trust.vn`
MX	6	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	7	`_f3vjyb0polo5k91cdf4iooeoomqzous, v4pfm5wxtn63r4f95pdg3prmfjg0yp37...`
SOA	1	`nspa2.trust.vn hostmaster.dtthotel.com`

Analysis

Hierarchy

dtthotel.com is a parent of harry1.dtthotel.com and harry3.dtthotel.com.

IP Addresses

dtthotel.com resolves to one IP number: 171.244.20.20.

other host names including thepnamkha.com, donanewtower.com, cjvina.com, sieuthinem.vn and harry1.dtthotel.com share IP numbers with dtthotel.com.