`sixstringinternational.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:a48^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:90e6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.72^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.230^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`houston.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
NS	`zita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zita.ns.cloudflare.com`
		A	108.162.192.243^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	172.64.32.243^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	173.245.58.243^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.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}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶⁴⁾
		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}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷³⁾
		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}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
TXT	`v=spf1 include:uracces.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.72, 172.67.144.230
		IPv6 hints	2606:4700:3031::6815:a48, 2606:4700:3031::ac43:90e6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOA	`houston.ns.cloudflare.com`dns@cloudflare.com serial=2401744860

`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=1778616231

Same first word

sixstringinternational.com

DNS History

16 records (9 active, 7 former)

●NShouston.ns.cloudflare.com2026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

○NSns1.arvixeshared.com2020-02-12 → 2020-02-12 · 4 obs

○ 2017-03-17 17:29:58
● 2020-02-12 18:07:00
○ 2026-02-15 12:44:58
○ 2026-05-12 20:09:56

○NSns1.oxen.arvixe.com2015-05-18 → 2017-03-17 · 4 obs

● 2015-05-18 14:07:56
● 2017-03-17 17:29:58
○ 2020-02-12 18:07:00
○ 2026-05-12 20:09:56

○NSns2.arvixeshared.com2020-02-12 → 2020-02-12 · 4 obs

○ 2017-03-17 17:29:58
● 2020-02-12 18:07:00
○ 2026-02-15 12:44:58
○ 2026-05-12 20:09:56

○NSns2.oxen.arvixe.com2015-05-18 → 2017-03-17 · 4 obs

● 2015-05-18 14:07:56
● 2017-03-17 17:29:58
○ 2020-02-12 18:07:00
○ 2026-05-12 20:09:56

●NSzita.ns.cloudflare.com2026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

○MXmail.sixstringinternational.com2015-05-18 → 2020-02-12 · 4 obs

● 2015-05-18 14:07:56
● 2020-02-12 18:07:00
○ 2026-02-15 12:44:58
○ 2026-05-12 20:09:56

●MXroute1.mx.cloudflare.net2026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

●MXroute2.mx.cloudflare.net2026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

●MXroute3.mx.cloudflare.net2026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

●A104.21.10.722026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

○A143.95.238.1372020-02-12 → 2020-02-12 · 4 obs

○ 2017-03-17 17:29:58
● 2020-02-12 18:07:00
○ 2026-02-15 12:44:58
○ 2026-05-12 20:09:56

●A172.67.144.2302026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

○A192.169.57.442015-05-18 → 2017-03-17 · 4 obs

● 2015-05-18 14:07:56
● 2017-03-17 17:29:58
○ 2020-02-12 18:07:00
○ 2026-05-12 20:09:56

●A2606:4700:3031::6815:a482026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

●A2606:4700:3031::ac43:90e62026-02-15 → 2026-05-12 · 3 obs

○ 2020-02-12 18:07:00
● 2026-02-15 12:44:58
● 2026-05-12 20:09:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...	-
sixstringinternational.com	zita.ns.cloudflare.com, houston.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.243

NS records: zita.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sixstringinternational.com (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.230, 104.21.10.72`
AAAA	2	`2606:4700:3031::6815:a48, 2606:4700:3031::ac43:90e6`
NS	2	`houston.ns.cloudflare.com, zita.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 51), route1.mx.cloudflare.net (pri: 64)...`
TXT	2	`v=spf1 include:_spf.mx.cloudflare.net ~a, v=spf1 include:uracces.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`houston.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sixstringinternational.com resolves to four IP numbers: 2606:4700:3031::6815:a48, 2606:4700:3031::ac43:90e6, 104.21.10.72 and 172.67.144.230.

Other host names such as bos-spedition.com, 2c7344695262.sendblast.net, mwbet.online, altstore.net and www4282.com share IPs with sixstringinternational.com.

Name Servers

sixstringinternational.com is delegated to two name servers: houston.ns.cloudflare.com and zita.ns.cloudflare.com.

sixstringinternational.com shares the same name server setup as djckb.com, taobaoshuake.net, 8uqpum.cn, rfidglobal.org and parklon.com.my.

sixstringinternational.com at least partially shares name servers with other domains, for instance iemoji.com, scholarscanada.com, luck8.ph, familyofficeequitycredit.info and entrepreneursmanagementtraining.com.

these name servers are often used in conjunction with the name servers dorthy.ns.cloudflare.com.

Host names with six IP numbers:

houston.ns.cloudflare.com points to 2606:4700:58::a29f:2c34, 2803:f800:50::6ca2:c334, 2a06:98c1:50::ac40:2334, 108.162.195.52, 162.159.44.52 and 172.64.35.52.

zita.ns.cloudflare.com points to 2606:4700:50::adf5:3af3, 2803:f800:50::6ca2:c0f3, 2a06:98c1:50::ac40:20f3, 108.162.192.243, 172.64.32.243 and 173.245.58.243.

Mail Servers

Three mail servers handle sixstringinternational.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

sixstringinternational.com shares at least partially some mail servers with other domains, including customcarpentryauburn.com, myrpc.com, cmdragon.cn, socketguide.com and wcxsw.org.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

sixstringinternational.com - robtex.com