`duohaoba.com`

DNSSEC	⚠️ Not signed
A	104.21.78.17^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.132^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`algin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`algin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`algin.ns.cloudflare.com`
		A	108.162.193.61^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
		A	172.64.33.61^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
		A	173.245.59.61^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`algin.ns.cloudflare.com`
NS	`grace.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grace.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grace.ns.cloudflare.com`
		A	108.162.192.159^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	172.64.32.159^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	173.245.58.159^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
TXT	`google-site-verification=8XGHj0hj-Qj6JslRSbIkGPESMa1KOmVMfRTgJgS8pb4`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.17, 172.67.214.132
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=243, name=cloudflare-ech.com
SOA	`algin.ns.cloudflare.com`dns@cloudflare.com serial=2403563304

`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=1778754852

Same first word

duohaoba.com

Similar names

haduobao.com

ahdoubao.com

DNS History

7 records (4 active, 3 former)

●NSalgin.ns.cloudflare.com2026-04-28 → 2026-05-14 · 3 obs

○ 2017-11-29 08:32:40
● 2026-04-28 04:35:36
● 2026-05-14 10:36:06

●NSgrace.ns.cloudflare.com2026-04-28 → 2026-05-14 · 3 obs

○ 2017-11-29 08:32:40
● 2026-04-28 04:35:36
● 2026-05-14 10:36:06

○NSns1.bdydns.cn2017-01-04 → 2017-11-29 · 4 obs

● 2017-01-04 17:55:02
● 2017-11-29 08:32:40
○ 2026-04-28 04:35:36
○ 2026-05-14 10:36:06

○NSns2.bdydns.cn2017-01-04 → 2017-11-29 · 4 obs

● 2017-01-04 17:55:02
● 2017-11-29 08:32:40
○ 2026-04-28 04:35:36
○ 2026-05-14 10:36:06

●A104.21.78.172026-04-28 → 2026-05-14 · 2 obs

● 2026-04-28 04:35:36
● 2026-05-14 10:36:06

●A172.67.214.1322026-04-28 → 2026-05-14 · 2 obs

● 2026-04-28 04:35:36
● 2026-05-14 10:36:06

○CNAMEduohaoba.bj01.bdysite.com2017-11-29 → 2017-11-29 · 3 obs

● 2017-11-29 08:32:40
○ 2026-04-28 04:35:36
○ 2026-05-14 10:36:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
duohaoba.com	grace.ns.cloudflare.com, algin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.159

NS records: grace.ns.cloudflare.com, algin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duohaoba.com (unsigned zone)

⏱️ Timing

Total: 850ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.17, 172.67.214.132`
NS	2	`algin.ns.cloudflare.com, grace.ns.cloudflare.com`
TXT	1	`google-site-verification=8XGHj0hj-Qj6Jsl`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`algin.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Two IP numbers are pointed to by duohaoba.com: 104.21.78.17 and 172.67.214.132.

other host names include atenco.org, utopiacambio.ovh, helpdesk.simgames.net, tesd-523599.horetonk.ru and www.adem-innovationlab.nl; they share IP numbers with duohaoba.com.

Name Servers

Two name servers algin.ns.cloudflare.com and grace.ns.cloudflare.com handle the delegation for duohaoba.com.

duohaoba.com shares the same name server setup as other domains, for instance boxerrescuelist.com, 33bqg.com, fakemonster.com, delmicro.com and iexec.net.

duohaoba.com at least partially shares name servers with other domains, for instance newsolutions.ps, omblabla.com, cognig.com, rhalotel.com and geosurv.com.au.

These name servers are commonly used with pablo.ns.cloudflare.com and mary.ns.cloudflare.com.

Six IP addresses per host:

algin.ns.cloudflare.com points to 2606:4700:58::adf5:3b3d, 2803:f800:50::6ca2:c13d, 2a06:98c1:50::ac40:213d, 108.162.193.61, 172.64.33.61 and 173.245.59.61; grace.ns.cloudflare.com points to 2606:4700:50::adf5:3a9f, 2803:f800:50::6ca2:c09f, 2a06:98c1:50::ac40:209f, 108.162.192.159, 172.64.32.159 and 173.245.58.159

duohaoba.com - robtex.com

duohaoba.com

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