`duplexrb.pt`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:221a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c4bd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.26^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.189^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adam.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c136^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2136^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adam.ns.cloudflare.com`
		A	108.162.193.54^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	172.64.33.54^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	173.245.59.54^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
NS	`rosa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosa.ns.cloudflare.com`
		A	108.162.192.228^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	172.64.32.228^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
		A	173.245.58.228^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosa.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.34.26, 172.67.196.189
		IPv6	2606:4700:3032::6815:221a, 2606:4700:3035::ac43:c4bd
SOA	`adam.ns.cloudflare.com`dns@cloudflare.com serial=2399298898

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br`
	NS	`ns2.nic.fr`
	SOA	`curiosity.dns.pt`request@dns.pt 2026-03-25 #23

rank #36915 globally
rank #62 in the tld
PASS📈 Tranco rank: #122,079

Same first word

duplexrb.pt

DNS History

16 records (6 active, 10 former)

●NSadam.ns.cloudflare.com2026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-18 22:39:14
● 2026-03-25 12:33:40
● 2026-03-25 12:33:42

○NSdns1.plaindns.net2019-01-15 → 2019-01-15 · 3 obs

● 2019-01-15 22:26:12
○ 2026-02-15 23:23:20
○ 2026-03-25 12:33:42

○NSdns2.plaindns.net2019-01-15 → 2019-01-15 · 3 obs

● 2019-01-15 22:26:12
○ 2026-02-15 23:23:20
○ 2026-03-25 12:33:42

○NSkarsyn.ns.cloudflare.com2026-02-15 → 2026-02-18 · 5 obs

○ 2019-01-15 22:26:12
● 2026-02-15 23:23:20
● 2026-02-18 22:39:14
○ 2026-03-25 12:33:40
○ 2026-03-25 12:33:42

○NSlakas.ns.cloudflare.com2026-02-15 → 2026-02-18 · 5 obs

○ 2019-01-15 22:26:12
● 2026-02-15 23:23:20
● 2026-02-18 22:39:14
○ 2026-03-25 12:33:40
○ 2026-03-25 12:33:42

●NSrosa.ns.cloudflare.com2026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-18 22:39:14
● 2026-03-25 12:33:40
● 2026-03-25 12:33:42

○MXmail-pt.securemail.pro2019-01-15 → 2019-01-15 · 3 obs

● 2019-01-15 22:26:12
○ 2026-02-15 23:23:20
○ 2026-03-25 12:33:42

○MXroute1.mx.cloudflare.net2026-02-15 → 2026-02-15 · 4 obs

○ 2019-01-15 22:26:12
● 2026-02-15 23:23:20
○ 2026-02-18 22:39:14
○ 2026-03-25 12:33:42

○MXroute2.mx.cloudflare.net2026-02-15 → 2026-02-15 · 4 obs

○ 2019-01-15 22:26:12
● 2026-02-15 23:23:20
○ 2026-02-18 22:39:14
○ 2026-03-25 12:33:42

○MXroute3.mx.cloudflare.net2026-02-15 → 2026-02-15 · 4 obs

○ 2019-01-15 22:26:12
● 2026-02-15 23:23:20
○ 2026-02-18 22:39:14
○ 2026-03-25 12:33:42

●A104.21.34.262026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-18 22:39:14
● 2026-03-25 12:33:40
● 2026-03-25 12:33:42

○A144.91.108.662026-02-15 → 2026-02-15 · 4 obs

○ 2019-01-15 22:26:12
● 2026-02-15 23:23:20
○ 2026-02-18 22:39:14
○ 2026-03-25 12:33:42

●A172.67.196.1892026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-18 22:39:14
● 2026-03-25 12:33:40
● 2026-03-25 12:33:42

●A2606:4700:3032::6815:221a2026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-18 22:39:14
● 2026-03-25 12:33:40
● 2026-03-25 12:33:42

●A2606:4700:3035::ac43:c4bd2026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-18 22:39:14
● 2026-03-25 12:33:40
● 2026-03-25 12:33:42

○A81.88.48.972019-01-15 → 2019-01-15 · 3 obs

● 2019-01-15 22:26:12
○ 2026-02-15 23:23:20
○ 2026-03-25 12:33:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, c.dns.pt, e.dns.pt, h.dns.pt...	-
duplexrb.pt	rosa.ns.cloudflare.com, adam.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.54

NS records: rosa.ns.cloudflare.com, adam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duplexrb.pt (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.189, 104.21.34.26`
AAAA	2	`2606:4700:3032::6815:221a, 2606:4700:3035::ac43:c4bd`
NS	2	`adam.ns.cloudflare.com, rosa.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adam.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

Four IP numbers are pointed to by duplexrb.pt: 2606:4700:3032::6815:221a, 2606:4700:3035::ac43:c4bd, 104.21.34.26 and 172.67.196.189.

other host names including agapgastro.com, ugljan-pasman.com, h579.cn, ksdzsw.com and pkv4s.com share IP numbers with duplexrb.pt.

Name Servers

duplexrb.pt is delegated to two name servers adam.ns.cloudflare.com and rosa.ns.cloudflare.com.

duplexrb.pt shares the same name server setup as other domains, for instance canbuy.com, egitimtercihi.com, newspublisher.online, chickenroad-belgium.com and personatalent.com.

duplexrb.pt at least partially shares name servers with other domains, for instance utlx.com, ofbeads.com, maplelea(0x666170)praisals.com, itvungtau.com and rajazeus007.blog.

These name servers are commonly used alongside darl.ns.cloudflare.com and sonia.ns.cloudflare.com.

Host names with six IP numbers:

Host name adam.ns.cloudflare.com points to: 2606:4700:58::adf5:3b36, 2803:f800:50::6ca2:c136, 2a06:98c1:50::ac40:2136, 108.162.193.54, 172.64.33.54 and 173.245.59.54.

Host name rosa.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae4, 2803:f800:50::6ca2:c0e4, 2a06:98c1:50::ac40:20e4, 108.162.192.228, 172.64.32.228 and 173.245.58.228.

duplexrb.pt - robtex.com

duplexrb.pt

pt

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`duplexrb.pt`

`pt`