`howangduc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4466^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:c1e6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.102^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.230^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gail.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c074^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gail.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2074^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gail.ns.cloudflare.com`
		A	108.162.192.116^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.116^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.116^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`martin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c357^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`martin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2357^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`martin.ns.cloudflare.com`
		A	108.162.195.87^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
		A	162.159.44.87^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
		A	172.64.35.87^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martin.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`route3.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`route1.mx.cloudflare.net`⁽⁹⁹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=teA5pV_Ul4iVmnDcwaKxMfWTpW5GT6nEXYOghEk_Qow`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.68.102, 172.67.193.230
		IPv6 hints	2606:4700:3030::6815:4466, 2606:4700:3031::ac43:c1e6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=197, name=cloudflare-ech.com
SOA	`gail.ns.cloudflare.com`dns@cloudflare.com serial=2409660408

`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=1784808437

Same first word

howangduc.com

DNS History

9 records (9 active, 0 former)

●NSgail.ns.cloudflare.com2026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●NSmartin.ns.cloudflare.com2026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●MXroute1.mx.cloudflare.net2026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●MXroute2.mx.cloudflare.net2026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●MXroute3.mx.cloudflare.net2026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●A104.21.68.1022026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●A172.67.193.2302026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●A2606:4700:3030::6815:44662026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

●A2606:4700:3031::ac43:c1e62026-07-07 → 2026-07-23 · 2 obs

● 2026-07-07 16:02:18
● 2026-07-23 12:37:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
howangduc.com	gail.ns.cloudflare.com, martin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.87

NS records: gail.ns.cloudflare.com, martin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for howangduc.com (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.102, 172.67.193.230`
AAAA	2	`2606:4700:3031::ac43:c1e6, 2606:4700:3030::6815:4466`
NS	2	`gail.ns.cloudflare.com, martin.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 79), route3.mx.cloudflare.net (pri: 92)...`
TXT	2	`google-site-verification=teA5pV_Ul4iVmnD, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gail.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

howangduc.com resolves to four IP addresses: 104.21.68.102, 172.67.193.230, 2606:4700:3030::6815:4466 and 2606:4700:3031::ac43:c1e6.

Among the host names that share IP numbers with howangduc.com are zonadeaves.es, joes-originals.de, n4gapokerslot.net and two others.

Name Servers

howangduc.com uses two name servers for its delegation: gail.ns.cloudflare.com and martin.ns.cloudflare.com.

howangduc.com has the same name server delegation as a number of other domains, such as iseegallery.com, nwaypro.com, oscillography.org and two more.

howangduc.com partially shares its NS delegation with several other domains, including biotraq.com, asupan.media, kmciniz.shop and two others.

These name servers regularly co-occur with the name servers alice.ns.cloudflare.com, anna.ns.cloudflare.com and micah.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname gail.ns.cloudflare.com directs to 108.162.192.116, 172.64.32.116 and 173.245.58.116 along with 3 other IP addresses.

Hostname martin.ns.cloudflare.com directs to 108.162.195.87, 162.159.44.87 and 172.64.35.87 along with 3 other IP addresses.

Mail Servers

howangduc.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

howangduc.com shares at least some of its mail servers with other domains — for example 12kb.net, top.az, ns2.oystar.hassiapackaging.com and two more.

Host names resolving to 6 IP numbers:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

howangduc.com - robtex.com

howangduc.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

`howangduc.com`

`com`