letterbox.uk - robtex.com

letterbox.uk

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:4496🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c451🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.150Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.81🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnaomi.ns.cloudflare.com
A2606:4700:50::adf5:3ad0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
A2803:f800:50::6ca2:c0d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnaomi.ns.cloudflare.com
A2a06:98c1:50::ac40:20d0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnaomi.ns.cloudflare.com
A108.162.192.208🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
A172.64.32.208🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
A173.245.58.208🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnaomi.ns.cloudflare.com
NSosmar.ns.cloudflare.com
A2606:4700:58::a29f:2c7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A2803:f800:50::6ca2:c37c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRosmar.ns.cloudflare.com
A2a06:98c1:50::ac40:237c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRosmar.ns.cloudflare.com
A108.162.195.124🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A162.159.44.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A172.64.35.124🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.150, 172.67.196.81
IPv6 hints2606:4700:3037::6815:4496, 2606:4700:3037::ac43:c451
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com
SOAnaomi.ns.cloudflare.comdns@cloudflare.com serial=2406747238

uk

DNSSEC🔒 Signed (DS record present)
NSdns1.nic.uk
NSdns2.nic.uk
NSdns3.nic.uk
NSdns4.nic.uk
NSnsa.nic.uk
NSnsb.nic.uk
NSnsc.nic.uk
NSnsd.nic.uk
SOAdns1.nic.ukhostmaster@nic.uk serial=1785133561

Same first word

Similar names

DNS History

8 records (6 active, 2 former)

NSnaomi.ns.cloudflare.comosmar.ns.cloudflare.comA104.21.68.150172.67.196.812606:4700:3037::6815:44962606:4700:3037::ac43:c4512606:4700:3034::6815:44962606:4700:3036::ac43:c451
NSnaomi.ns.cloudflare.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 21:03:58
● 2026-07-27 06:29:02
NSosmar.ns.cloudflare.com2026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 21:03:58
● 2026-07-27 06:29:02
A104.21.68.1502026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 21:03:58
● 2026-07-27 06:29:02
A172.67.196.812026-06-06 → 2026-07-27 · 2 obs
● 2026-06-06 21:03:58
● 2026-07-27 06:29:02
A2606:4700:3034::6815:44962026-06-06 → 2026-06-06 · 2 obs
● 2026-06-06 21:03:58
○ 2026-07-27 06:29:02
A2606:4700:3036::ac43:c4512026-06-06 → 2026-06-06 · 2 obs
● 2026-06-06 21:03:58
○ 2026-07-27 06:29:02
A2606:4700:3037::6815:44962026-07-27 → 2026-07-27 · 2 obs
○ 2026-06-06 21:03:58
● 2026-07-27 06:29:02
A2606:4700:3037::ac43:c4512026-07-27 → 2026-07-27 · 2 obs
○ 2026-06-06 21:03:58
● 2026-07-27 06:29:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsb.nic.uk, nsa.nic.uk, dns4.nic.uk, dns3.nic.uk...-
letterbox.uknaomi.ns.cloudflare.com, osmar.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.124

NS records: naomi.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letterbox.uk (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.68.150, 172.67.196.81
AAAA22606:4700:3037::ac43:c451, 2606:4700:3037::6815:4496
NS2naomi.ns.cloudflare.com, osmar.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1naomi.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

letterbox.uk points to the four IP addresses 104.21.68.150, 172.67.196.81, 2606:4700:3037::6815:4496 and 2606:4700:3037::ac43:c451.

Additional host names — c-sp.net, eko-par.ru, rtpmacan168.com and two others — share IP numbers with letterbox.uk.

Name Servers

DNS delegation for letterbox.uk points to two name servers: naomi.ns.cloudflare.com and osmar.ns.cloudflare.com.

letterbox.uk shares its name server setup with other domains, including gomcafeeactivate.com, wthotel.com, fonoa.io and two others.

The name servers of letterbox.uk overlap at least partially with those of other domains — among them harubik.com, citymax-sti.com, 1whwml.com and two more.

These name servers commonly appear in delegations together with leia.ns.cloudflare.com, dns1.ednsglobal.net, dns2.ednsglobal.net and 3 other.

Host names with 6 IP numbers:

naomi.ns.cloudflare.com has IP addresses 108.162.192.208, 172.64.32.208 and 173.245.58.208, plus 3 other.

osmar.ns.cloudflare.com has IP addresses 108.162.195.124, 162.159.44.124 and 172.64.35.124, plus 3 other.