`btobhotel.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3b25^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d3f4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.37^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.244^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jack.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c179^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2179^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jack.ns.cloudflare.com`
		A	108.162.193.121^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	172.64.33.121^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	173.245.59.121^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
NS	`luciane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2678^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luciane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c278^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luciane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2278^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luciane.ns.cloudflare.com`
		A	108.162.194.120^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luciane.ns.cloudflare.com`
		A	162.159.38.120^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luciane.ns.cloudflare.com`
		A	172.64.34.120^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luciane.ns.cloudflare.com`
MX	`aspmx.daum.net` ⭐
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
MX	`alt.aspmx.daum.net`⁽²⁰⁾
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
TXT	`v=spf1 include:_spf.daum.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.59.37, 172.67.211.244
		IPv6 hints	2606:4700:3030::6815:3b25, 2606:4700:3037::ac43:d3f4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOA	`jack.ns.cloudflare.com`dns@cloudflare.com serial=2411112560

`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=1785736272

Same first word

btobhotel.com

DNS History

20 records (8 active, 12 former)

●NSjack.ns.cloudflare.com2026-05-08 → 2026-08-03 · 3 obs

○ 2018-06-22 02:29:38
● 2026-05-08 11:00:04
● 2026-08-03 06:18:34

●NSluciane.ns.cloudflare.com2026-05-08 → 2026-08-03 · 3 obs

○ 2018-06-22 02:29:38
● 2026-05-08 11:00:04
● 2026-08-03 06:18:34

○NSns57.domaincontrol.com2016-01-25 → 2018-06-22 · 4 obs

● 2016-01-25 02:35:06
● 2018-06-22 02:29:38
○ 2026-05-08 11:00:04
○ 2026-08-03 06:18:34

○NSns58.domaincontrol.com2016-01-25 → 2018-06-22 · 4 obs

● 2016-01-25 02:35:06
● 2018-06-22 02:29:38
○ 2026-05-08 11:00:04
○ 2026-08-03 06:18:34

●MXalt.aspmx.daum.net2026-05-08 → 2026-08-03 · 3 obs

○ 2018-06-22 02:29:38
● 2026-05-08 11:00:04
● 2026-08-03 06:18:34

●MXaspmx.daum.net2026-05-08 → 2026-08-03 · 3 obs

○ 2018-06-22 02:29:38
● 2026-05-08 11:00:04
● 2026-08-03 06:18:34

○MXmailstore1.secureserver.net2016-01-25 → 2018-06-22 · 4 obs

● 2016-01-25 02:35:06
● 2018-06-22 02:29:38
○ 2026-05-08 11:00:04
○ 2026-08-03 06:18:34

○MXsmtp.secureserver.net2016-01-25 → 2018-06-22 · 4 obs

● 2016-01-25 02:35:06
● 2018-06-22 02:29:38
○ 2026-05-08 11:00:04
○ 2026-08-03 06:18:34

●A104.21.59.372026-05-08 → 2026-08-03 · 9 obs

○ 2018-06-22 02:29:38
● 2026-05-08 11:00:04
● 2026-05-27 15:39:08
○ 2026-06-03 05:49:22
○ 2026-06-13 09:45:12
● 2026-06-14 10:31:44
○ 2026-07-26 19:33:04
● 2026-08-03 06:18:32
● 2026-08-03 06:18:34

○A13.92.37.612018-06-22 → 2018-06-22 · 4 obs

○ 2016-11-29 04:00:52
● 2018-06-22 02:29:38
○ 2026-05-08 11:00:04
○ 2026-08-03 06:18:34

●A172.67.211.2442026-05-08 → 2026-08-03 · 9 obs

○A188.114.96.02026-06-03 → 2026-07-26 · 8 obs

○ 2026-05-08 11:00:04
○ 2026-05-27 15:39:08
● 2026-06-03 05:49:22
● 2026-06-13 09:45:12
○ 2026-06-14 10:31:44
● 2026-07-26 19:33:04
○ 2026-08-03 06:18:32
○ 2026-08-03 06:18:34

○A188.114.97.02026-06-03 → 2026-07-26 · 8 obs

○ 2026-05-08 11:00:04
○ 2026-05-27 15:39:08
● 2026-06-03 05:49:22
● 2026-06-13 09:45:12
○ 2026-06-14 10:31:44
● 2026-07-26 19:33:04
○ 2026-08-03 06:18:32
○ 2026-08-03 06:18:34

○A198.71.232.42016-01-25 → 2016-11-29 · 4 obs

● 2016-01-25 02:35:06
● 2016-11-29 04:00:52
○ 2018-06-22 02:29:38
○ 2026-08-03 06:18:34

●A2606:4700:3030::6815:3b252026-06-26 → 2026-08-03 · 5 obs

○ 2026-06-18 01:53:00
● 2026-06-26 22:44:40
○ 2026-07-26 19:33:04
● 2026-08-03 06:18:32
● 2026-08-03 06:18:34

○A2606:4700:3030::ac43:d3f42026-05-08 → 2026-06-18 · 9 obs

○ 2018-06-22 02:29:38
● 2026-05-08 11:00:04
● 2026-05-27 15:39:08
○ 2026-06-03 05:49:22
○ 2026-06-13 09:45:12
● 2026-06-14 10:31:44
● 2026-06-18 01:53:00
○ 2026-06-26 22:44:40
○ 2026-08-03 06:18:34

○A2606:4700:3033::6815:3b252026-05-08 → 2026-06-18 · 9 obs

●A2606:4700:3037::ac43:d3f42026-06-26 → 2026-08-03 · 5 obs

○ 2026-06-18 01:53:00
● 2026-06-26 22:44:40
○ 2026-07-26 19:33:04
● 2026-08-03 06:18:32
● 2026-08-03 06:18:34

○A2a06:98c1:3120::2026-06-03 → 2026-07-26 · 8 obs

○ 2026-05-08 11:00:04
○ 2026-05-27 15:39:08
● 2026-06-03 05:49:22
● 2026-06-13 09:45:12
○ 2026-06-14 10:31:44
● 2026-07-26 19:33:04
○ 2026-08-03 06:18:32
○ 2026-08-03 06:18:34

○A2a06:98c1:3121::2026-06-03 → 2026-07-26 · 8 obs

○ 2026-05-08 11:00:04
○ 2026-05-27 15:39:08
● 2026-06-03 05:49:22
● 2026-06-13 09:45:12
○ 2026-06-14 10:31:44
● 2026-07-26 19:33:04
○ 2026-08-03 06:18:32
○ 2026-08-03 06:18:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
btobhotel.com	jack.ns.cloudflare.com, luciane.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.121

NS records: jack.ns.cloudflare.com, luciane.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.59.37, 172.67.211.244`
AAAA	2	`2606:4700:3030::6815:3b25, 2606:4700:3037::ac43:d3f4`
NS	2	`jack.ns.cloudflare.com, luciane.ns.cloudflare.com`
MX	2	`aspmx.daum.net (pri: 10), alt.aspmx.daum.net (pri: 20)`
TXT	1	`v=spf1 include:_spf.daum.net ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jack.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jack.ns.cloudflare.com, jack.ns.cloudflare.com, jack.ns.cloudflare.com...)

Analysis

IP Addresses

btobhotel.com points to the four IP addresses 104.21.59.37, 172.67.211.244, 2606:4700:3030::6815:3b25 and 2606:4700:3037::ac43:d3f4.

telemitra.com, aspmx.l.google.com.tixool.com, www.contents.com and two other host names share IP numbers with btobhotel.com.

Name Servers

Two name servers handle the delegation for btobhotel.com: jack.ns.cloudflare.com and luciane.ns.cloudflare.com.

btobhotel.com uses the same name servers as several other domains — among them projectcast.com, hipp.com.hk, foreksgd.com and two more.

There is at least partial name server overlap between btobhotel.com and other domains — sedfyp.info, lzofbi.info, 289hq.com and two more among them.

These name servers frequently co-occur with the name servers erin.ns.cloudflare.com and lochlan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jack.ns.cloudflare.com resolves to 108.162.193.121, 172.64.33.121 and 173.245.59.121 among others, with 3 other IP addresses in total.

luciane.ns.cloudflare.com resolves to 108.162.194.120, 162.159.38.120 and 172.64.34.120 among others, with 3 other IP addresses in total.

Mail Servers

Mail for btobhotel.com is handled by two mail servers — aspmx.daum.net and alt.aspmx.daum.net.

btobhotel.com uses an identical mail server configuration to several other domains — among them thechaek.com, royalroader.co.kr, factinnews.co.kr and two more.

btobhotel.com has at least partial mail server overlap with other domains such as 87daejang.com, sherwood.kr, modengift.co.kr and two more.

aspmx.daum.net directs to 121.53.85.23, as does alt.aspmx.daum.net — both hostnames resolve to that one IP address.

aspmx.daum.net along with alt.aspmx.daum.net each resolve to 121.53.85.23 IP addresses.

btobhotel.com - robtex.com

btobhotel.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`btobhotel.com`

`com`