root.altrodesign.cz - robtex.com

root.altrodesign.cz

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:df8b🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:467f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.127Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.139🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.127, 172.67.223.139
IPv6 hints2606:4700:3033::ac43:df8b, 2606:4700:3037::6815:467f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com

altrodesign.cz

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:df8b🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:467f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.127Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.139🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamy.ns.cloudflare.com ⭐
NSsantino.ns.cloudflare.com
MXmail.altrodesign.cz ⭐
TXTgoogle-site-verification=HNwTyxU4AzrD2iylUP7appSbGGyiWaEZTQuHttd179g
TXTv=spf1 a mx ip4:82.208.9.182 ip4:109.123.203.248 ip4:82.208.9.181 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.127, 172.67.223.139
IPv6 hints2606:4700:3033::ac43:df8b, 2606:4700:3037::6815:467f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOAamy.ns.cloudflare.comdns@cloudflare.com serial=2410846598

Previously NS for

altrodesign.cz

Same first word

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.70.127172.67.223.1392606:4700:3033::ac43:df8b2606:4700:3037::6815:467f2606:4700:3031::6815:467f2606:4700:3034::ac43:df8b82.208.9.182
●A104.21.70.1272026-06-01 → 2026-08-07 · 3 obs
○ 2026-05-26 16:14:18
● 2026-06-01 16:39:50
● 2026-08-07 13:56:34
●A172.67.223.1392026-06-01 → 2026-08-07 · 3 obs
○ 2026-05-26 16:14:18
● 2026-06-01 16:39:50
● 2026-08-07 13:56:34
○A2606:4700:3031::6815:467f2026-06-01 → 2026-06-13 · 5 obs
○ 2026-05-26 16:14:18
● 2026-06-01 16:39:50
● 2026-06-13 10:22:54
○ 2026-07-08 13:03:06
○ 2026-08-07 13:56:34
●A2606:4700:3033::ac43:df8b2026-07-08 → 2026-08-07 · 3 obs
○ 2026-06-13 10:22:54
● 2026-07-08 13:03:06
● 2026-08-07 13:56:34
○A2606:4700:3034::ac43:df8b2026-06-01 → 2026-06-13 · 5 obs
○ 2026-05-26 16:14:18
● 2026-06-01 16:39:50
● 2026-06-13 10:22:54
○ 2026-07-08 13:03:06
○ 2026-08-07 13:56:34
●A2606:4700:3037::6815:467f2026-07-08 → 2026-08-07 · 3 obs
○ 2026-06-13 10:22:54
● 2026-07-08 13:03:06
● 2026-08-07 13:56:34
○A82.208.9.1822015-07-21 → 2026-05-26 · 4 obs
● 2015-07-21 12:00:56
● 2026-05-26 16:14:18
○ 2026-06-01 16:39:50
○ 2026-08-07 13:56:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czd.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz-
altrodesign.czsantino.ns.cloudflare.com, amy.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.101

NS records: santino.ns.cloudflare.com, amy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for altrodesign.cz (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.70.127, 172.67.223.139
AAAA22606:4700:3037::6815:467f, 2606:4700:3033::ac43:df8b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

root.altrodesign.cz has four IP addresses: 104.21.70.127, 172.67.223.139, 2606:4700:3033::ac43:df8b and 2606:4700:3037::6815:467f.

Additional host names — pl-ogloszenie-029340239.rest, pstoto99sar.com, corradog60.co.uk and two others — share IP numbers with root.altrodesign.cz.