`simthanglong.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3509^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:cefd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.9^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.253^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`angela.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a41^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c041^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`angela.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2041^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`angela.ns.cloudflare.com`
		A	108.162.192.65^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	172.64.32.65^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
		A	173.245.58.65^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`angela.ns.cloudflare.com`
NS	`james.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`james.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`james.ns.cloudflare.com`
		A	108.162.193.178^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	172.64.33.178^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	173.245.59.178^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
MX	`simthanglong-net.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.9.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00100.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
TXT	`MS=ms73435226`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.53.9, 172.67.206.253
		IPv6	2606:4700:3033::6815:3509, 2606:4700:3033::ac43:cefd
SOA	`angela.ns.cloudflare.com`dns@cloudflare.com serial=2397848006

`net`

	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=1771291465

Same first word

simthanglong.vn

simthanglong.net

simthanglong.com

DNS History

11 records (7 active, 4 former)

●NSangela.ns.cloudflare.com2026-02-17 → 2026-03-24 · 3 obs

○ 2017-06-18 02:30:50
● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

●NSjames.ns.cloudflare.com2026-02-17 → 2026-03-24 · 3 obs

○ 2017-06-18 02:30:50
● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

○NSns1.matbao.com2015-05-29 → 2017-06-18 · 4 obs

● 2015-05-29 08:46:54
● 2017-06-18 02:30:50
○ 2026-02-17 10:45:40
○ 2026-03-24 06:08:06

○NSns2.matbao.com2015-05-29 → 2017-06-18 · 4 obs

● 2015-05-29 08:46:54
● 2017-06-18 02:30:50
○ 2026-02-17 10:45:40
○ 2026-03-24 06:08:06

●MXsimthanglong-net.mail.protection.outlook.com2026-02-17 → 2026-03-24 · 2 obs

● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

○A103.27.61.2002015-05-29 → 2016-11-25 · 4 obs

● 2015-05-29 08:46:54
● 2016-11-25 19:07:06
○ 2017-06-18 02:30:50
○ 2026-03-24 06:08:06

●A104.21.53.92026-02-17 → 2026-03-24 · 3 obs

○ 2017-06-18 02:30:50
● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

○A125.212.250.992017-06-18 → 2017-06-18 · 4 obs

○ 2016-11-25 19:07:06
● 2017-06-18 02:30:50
○ 2026-02-17 10:45:40
○ 2026-03-24 06:08:06

●A172.67.206.2532026-02-17 → 2026-03-24 · 3 obs

○ 2017-06-18 02:30:50
● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

●A2606:4700:3033::6815:35092026-02-17 → 2026-03-24 · 3 obs

○ 2017-06-18 02:30:50
● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

●A2606:4700:3033::ac43:cefd2026-02-17 → 2026-03-24 · 3 obs

○ 2017-06-18 02:30:50
● 2026-02-17 10:45:40
● 2026-03-24 06:08:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
simthanglong.net	angela.ns.cloudflare.com, james.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.178

NS records: angela.ns.cloudflare.com, james.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simthanglong.net (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.206.253, 104.21.53.9`
AAAA	2	`2606:4700:3033::ac43:cefd, 2606:4700:3033::6815:3509`
NS	2	`angela.ns.cloudflare.com, james.ns.cloudflare.com`
MX	1	`simthanglong-net.mail.protection.outlook`
TXT	2	`MS=ms73435226, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`angela.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

simthanglong.net points to four IP numbers: 2606:4700:3033::6815:3509, 2606:4700:3033::ac43:cefd, 104.21.53.9 and 172.67.206.253.

For instance, other host names mail.makina.com.tr, serpensin.com, a34f05459720.a34f05459720.a34f05459720.a34f05459720.augustahomeandgardenshow.com, elitesmover.com.tw and mccauleys.info share IP numbers with simthanglong.net.

Name Servers

simthanglong.net is delegated to two name servers: angela.ns.cloudflare.com and james.ns.cloudflare.com.

simthanglong.net uses the same name server setup as other domains such as christianwinecellars.com, ihrelesebrille.de, simdoanhnhan.vn, mariagibson.ca and platenmusic.com.

simthanglong.net shares name servers with other domains at least partially, for example dearchitects.com.au, deli-sounds.com, thuanqt.com, tree.gg and rhenia.gr.

These name servers are commonly used with the name servers vivienne.ns.cloudflare.com and frank.ns.cloudflare.com.

Host names with six IP numbers: host name angela.ns.cloudflare.com points to: 2606:4700:50::adf5:3a41, 2803:f800:50::6ca2:c041, 2a06:98c1:50::ac40:2041, 108.162.192.65, 172.64.32.65 and 173.245.58.65; host name james.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb2, 2803:f800:50::6ca2:c1b2, 2a06:98c1:50::ac40:21b2, 108.162.193.178, 172.64.33.178 and 173.245.59.178.

Mail Servers

simthanglong.net is handled by a single mail server, simthanglong-net.mail.protection.outlook.com.

Host name simthanglong-net.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c922::, 2a01:111:f403:f90f::, 2a01:111:f403:f910::, 52.101.9.0, 52.101.9.5, 52.101.41.180 and 52.101.194.12.

simthanglong.net - robtex.com