`dhdtb.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c914^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3a36^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.54^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.20^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jeff.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jeff.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jeff.ns.cloudflare.com`
		A	108.162.193.124^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	172.64.33.124^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	173.245.59.124^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
NS	`wanda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wanda.ns.cloudflare.com`
		A	108.162.192.240^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
		A	172.64.32.240^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
		A	173.245.58.240^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.54, 172.67.201.20
		IPv6 hints	2606:4700:3030::ac43:c914, 2606:4700:3036::6815:3a36
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com
SOA	`jeff.ns.cloudflare.com`dns@cloudflare.com serial=2405878328

`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=1783720847

Same first word

dhdtb.com

Similar names

dbdht.com

hbtdd.com

dbhtd.com

hbtdd.cn

hddtb.com

dbhtd.cn

DNS History

15 records (6 active, 9 former)

●NSjeff.ns.cloudflare.com2026-06-10 → 2026-07-10 · 3 obs

○ 2017-11-20 02:36:02
● 2026-06-10 17:31:00
● 2026-07-10 22:08:46

○NSns1.dnspai.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 14:01:48
○ 2017-11-20 02:36:02
○ 2026-07-10 22:08:46

○NSns1.ks555.com2017-11-20 → 2017-11-20 · 4 obs

○ 2016-12-19 14:01:48
● 2017-11-20 02:36:02
○ 2026-06-10 17:31:00
○ 2026-07-10 22:08:46

○NSns2.dnspai.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 14:01:48
○ 2017-11-20 02:36:02
○ 2026-07-10 22:08:46

○NSns2.ks555.com2017-11-20 → 2017-11-20 · 4 obs

○ 2016-12-19 14:01:48
● 2017-11-20 02:36:02
○ 2026-06-10 17:31:00
○ 2026-07-10 22:08:46

●NSwanda.ns.cloudflare.com2026-06-10 → 2026-07-10 · 3 obs

○ 2017-11-20 02:36:02
● 2026-06-10 17:31:00
● 2026-07-10 22:08:46

○MXxueyo.com2017-11-20 → 2017-11-20 · 3 obs

● 2017-11-20 02:36:02
○ 2026-06-10 17:31:00
○ 2026-07-10 22:08:46

●A104.21.58.542026-06-10 → 2026-07-10 · 3 obs

○ 2017-11-20 02:36:02
● 2026-06-10 17:31:00
● 2026-07-10 22:08:46

●A172.67.201.202026-06-10 → 2026-07-10 · 3 obs

○ 2017-11-20 02:36:02
● 2026-06-10 17:31:00
● 2026-07-10 22:08:46

○A173.247.228.302016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 14:01:48
○ 2017-11-20 02:36:02
○ 2026-07-10 22:08:46

●A2606:4700:3030::ac43:c9142026-07-10 → 2026-07-10 · 2 obs

○ 2026-06-10 17:31:00
● 2026-07-10 22:08:46

○A2606:4700:3033::ac43:c9142026-06-10 → 2026-06-10 · 3 obs

○ 2017-11-20 02:36:02
● 2026-06-10 17:31:00
○ 2026-07-10 22:08:46

●A2606:4700:3036::6815:3a362026-07-10 → 2026-07-10 · 2 obs

○ 2026-06-10 17:31:00
● 2026-07-10 22:08:46

○A2606:4700:3037::6815:3a362026-06-10 → 2026-06-10 · 3 obs

○ 2017-11-20 02:36:02
● 2026-06-10 17:31:00
○ 2026-07-10 22:08:46

○A47.52.88.262017-11-20 → 2017-11-20 · 4 obs

○ 2016-12-19 14:01:48
● 2017-11-20 02:36:02
○ 2026-06-10 17:31:00
○ 2026-07-10 22:08:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dhdtb.com	jeff.ns.cloudflare.com, wanda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.124

NS records: jeff.ns.cloudflare.com, wanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dhdtb.com (unsigned zone)

⏱️ Timing

Total: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.20, 104.21.58.54`
AAAA	2	`2606:4700:3036::6815:3a36, 2606:4700:3030::ac43:c914`
NS	2	`jeff.ns.cloudflare.com, wanda.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jeff.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dhdtb.com has four IP addresses: 104.21.58.54, 172.67.201.20, 2606:4700:3030::ac43:c914 and 2606:4700:3036::6815:3a36.

Additional host names — www.quanlydoanhnghiep.net, reyzeal.com, ctrcn.com and two others — share IP numbers with dhdtb.com.

Name Servers

Two name servers handle the delegation for dhdtb.com: jeff.ns.cloudflare.com and wanda.ns.cloudflare.com.

dhdtb.com shares its name server setup with other domains, including ityth.com, guitarchat.co.uk, home-life.tw and two others.

dhdtb.com has at least partial name server overlap with other domains, such as solana-rpc-node.com, id.jumpcloud.com, timenews.in.ua and two others.

It is common to see these name servers used together with name servers eva.ns.cloudflare.com and cloe.ns.cloudflare.com.

Host names with 6 IP numbers:

jeff.ns.cloudflare.com resolves to 108.162.193.124, 172.64.33.124 and 173.245.59.124 among others, with 3 other IP addresses in total.

wanda.ns.cloudflare.com resolves to 108.162.192.240, 172.64.32.240 and 173.245.58.240 among others, with 3 other IP addresses in total.

dhdtb.com - robtex.com

dhdtb.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`dhdtb.com`

`com`