`world-rt.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:941b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:377c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.124^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.27^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dora.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dora.ns.cloudflare.com`
		A	108.162.192.108^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	172.64.32.108^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	173.245.58.108^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
NS	`rocky.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rocky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rocky.ns.cloudflare.com`
		A	108.162.193.227^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	172.64.33.227^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
		A	173.245.59.227^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocky.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.124, 172.67.148.27
		IPv6 hints	2606:4700:3033::ac43:941b, 2606:4700:3036::6815:377c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOA	`dora.ns.cloudflare.com`dns@cloudflare.com serial=2406615191

`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=1784338352

Previously MX for

world-rt.com

Subdomains

www.world-rt.com

Same first word

world-rt.com

Similar names

rt-world.com

DNS History

11 records (7 active, 4 former)

●NSdora.ns.cloudflare.com2026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

○NSns.inmotionhosting.com2015-06-08 → 2020-04-01 · 4 obs

● 2015-06-08 07:58:26
● 2020-04-01 12:12:44
○ 2026-06-08 19:32:02
○ 2026-07-18 01:58:32

○NSns2.inmotionhosting.com2015-06-08 → 2020-04-01 · 4 obs

● 2015-06-08 07:58:26
● 2020-04-01 12:12:44
○ 2026-06-08 19:32:02
○ 2026-07-18 01:58:32

●NSrocky.ns.cloudflare.com2026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

●MXmx.stackmail.com2026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

○MXworld-rt.com2015-06-08 → 2020-04-01 · 4 obs

● 2015-06-08 07:58:26
● 2020-04-01 12:12:44
○ 2026-06-08 19:32:02
○ 2026-07-18 01:58:32

●A104.21.55.1242026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

●A172.67.148.272026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

○A23.235.209.1362015-06-08 → 2020-04-01 · 4 obs

● 2015-06-08 07:58:26
● 2020-04-01 12:12:44
○ 2026-06-08 19:32:02
○ 2026-07-18 01:58:32

●A2606:4700:3033::ac43:941b2026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

●A2606:4700:3036::6815:377c2026-06-08 → 2026-07-18 · 3 obs

○ 2020-04-01 12:12:44
● 2026-06-08 19:32:02
● 2026-07-18 01:58:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
world-rt.com	dora.ns.cloudflare.com, rocky.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.227

NS records: dora.ns.cloudflare.com, rocky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for world-rt.com (unsigned zone)

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.124, 172.67.148.27`
AAAA	2	`2606:4700:3036::6815:377c, 2606:4700:3033::ac43:941b`
NS	2	`dora.ns.cloudflare.com, rocky.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dora.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.world-rt.com falls under the parent world-rt.com.

IP Addresses

world-rt.com directs to four IP numbers, which are 104.21.55.124, 172.67.148.27, 2606:4700:3033::ac43:941b and 2606:4700:3036::6815:377c.

carta.guide, (0x787878)mona.escortbook.com, barbara2292.escortbook.com and two other host names share IP numbers with world-rt.com.

Name Servers

world-rt.com uses two name servers for its delegation: dora.ns.cloudflare.com and rocky.ns.cloudflare.com.

world-rt.com uses the same name servers as several other domains — among them leagueskin.net, servrr.com, mobilita.org and two more.

At least some of world-rt.com's name servers are shared with other domains, for example indexmetric.com, quirkycooking.com.au, dietitianofthedesert.com and two more.

It is common for these name servers to be used in conjunction with the name servers rosa.ns.cloudflare.com, alex.ns.cloudflare.com and melody.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname dora.ns.cloudflare.com directs to 108.162.192.108, 172.64.32.108 and 173.245.58.108 along with 3 other IP addresses.

Hostname rocky.ns.cloudflare.com directs to 108.162.193.227, 172.64.33.227 and 173.245.59.227 along with 3 other IP addresses.

Mail Servers

Mail for world-rt.com is handled by a single mail server, mx.stackmail.com.

world-rt.com uses an identical mail server configuration to several other domains — among them parkf.com, nscap.org.uk, hext.net and two more.

At least a portion of world-rt.com's mail servers are shared with other domains, among them frithsopticians.co.uk and bradleyshomeguide.co.uk.

mx.stackmail.com directs to just one IP number, 185.151.28.67.

world-rt.com - robtex.com

world-rt.com

com

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`world-rt.com`

`com`