boso.cz - robtex.com

boso.cz

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:836c🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:406🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.6Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.108🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnena.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26a1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A2803:f800:50::6ca2:c2a1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnena.ns.cloudflare.com
A2a06:98c1:50::ac40:22a1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnena.ns.cloudflare.com
A108.162.194.161🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A162.159.38.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A172.64.34.161🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
NSnewt.ns.cloudflare.com
A2606:4700:58::adf5:3bd4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnewt.ns.cloudflare.com
A2803:f800:50::6ca2:c1d4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnewt.ns.cloudflare.com
A2a06:98c1:50::ac40:21d4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnewt.ns.cloudflare.com
A108.162.193.212🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnewt.ns.cloudflare.com
A172.64.33.212🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnewt.ns.cloudflare.com
A173.245.59.212🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnewt.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.6, 172.67.131.108
IPv6 hints2606:4700:3030::ac43:836c, 2606:4700:3037::6815:406
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOAnena.ns.cloudflare.comdns@cloudflare.com serial=2403655080

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1778455034

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DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSnena.ns.cloudflare.comnewt.ns.cloudflare.comalfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXmailforward.globe.czA104.21.4.6172.67.131.1082606:4700:3030::ac43:836c2606:4700:3037::6815:406194.8.252.24385.93.166.195
○NSalfa.ns.active24.cz2015-07-07 → 2016-12-13 · 4 obs
● 2015-07-07 03:10:06
● 2016-12-13 08:31:34
○ 2026-04-06 07:15:00
○ 2026-05-10 23:56:38
○NSbeta.ns.active24.cz2015-07-07 → 2016-12-13 · 4 obs
● 2015-07-07 03:10:06
● 2016-12-13 08:31:34
○ 2026-04-06 07:15:00
○ 2026-05-10 23:56:38
○NSgama.ns.active24.sk2015-07-07 → 2016-12-13 · 4 obs
● 2015-07-07 03:10:06
● 2016-12-13 08:31:34
○ 2026-04-06 07:15:00
○ 2026-05-10 23:56:38
●NSnena.ns.cloudflare.com2026-04-06 → 2026-05-10 · 3 obs
○ 2016-12-13 08:31:34
● 2026-04-06 07:15:00
● 2026-05-10 23:56:38
●NSnewt.ns.cloudflare.com2026-04-06 → 2026-05-10 · 3 obs
○ 2016-12-13 08:31:34
● 2026-04-06 07:15:00
● 2026-05-10 23:56:38
○MXmailforward.globe.cz2015-11-18 → 2016-12-13 · 4 obs
● 2015-11-18 16:51:14
● 2016-12-13 08:31:34
○ 2026-04-06 07:15:00
○ 2026-05-10 23:56:38
●A104.21.4.62026-04-06 → 2026-05-10 · 3 obs
○ 2016-12-13 08:31:34
● 2026-04-06 07:15:00
● 2026-05-10 23:56:38
●A172.67.131.1082026-04-06 → 2026-05-10 · 3 obs
○ 2016-12-13 08:31:34
● 2026-04-06 07:15:00
● 2026-05-10 23:56:38
○A194.8.252.2432015-07-07 → 2015-07-07 · 3 obs
● 2015-07-07 03:10:06
○ 2015-11-18 16:51:14
○ 2026-05-10 23:56:38
●A2606:4700:3030::ac43:836c2026-04-06 → 2026-05-10 · 3 obs
○ 2016-12-13 08:31:34
● 2026-04-06 07:15:00
● 2026-05-10 23:56:38
●A2606:4700:3037::6815:4062026-04-06 → 2026-05-10 · 3 obs
○ 2016-12-13 08:31:34
● 2026-04-06 07:15:00
● 2026-05-10 23:56:38
○A85.93.166.1952015-11-18 → 2016-12-13 · 5 obs
○ 2015-07-07 03:10:06
● 2015-11-18 16:51:14
● 2016-12-13 08:31:34
○ 2026-04-06 07:15:00
○ 2026-05-10 23:56:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz8 records
boso.cznewt.ns.cloudflare.com, nena.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.212

NS records: newt.ns.cloudflare.com, nena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for boso.cz (unsigned zone)

⏱️ Timing

Total: 556ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.131.108, 104.21.4.6
AAAA22606:4700:3037::6815:406, 2606:4700:3030::ac43:836c
NS2nena.ns.cloudflare.com, newt.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nena.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)

Analysis

IP Addresses

boso.cz points to four IP numbers: 2606:4700:3030::ac43:836c, 2606:4700:3037::6815:406, 104.21.4.6 and 172.67.131.108.

Other host names including 1v1chat.one, phiomet.at, forumestate.gr, authentictheme.com and www.montanaoutfitters.org share IP numbers with boso.cz.

Name Servers

boso.cz's delegation uses two name servers, nena.ns.cloudflare.com and newt.ns.cloudflare.com.

boso.cz shares the same name server setup as other domains, for example zaluzije.eu, vltavin.eu, petfuttershop.com, tydenik.eu and lepermislibre.fr.

boso.cz at least partially shares name servers with other domains, including home-repair.net, afoc.com, ibmjcatarina.com.br, movilfit.com and zavrentiloxa.com.

These name servers are commonly used with harlan.ns.cloudflare.com and venkat.ns.cloudflare.com.

Host names with six IP numbers:

nena.ns.cloudflare.com points to: 2606:4700:50::a29f:26a1, 2803:f800:50::6ca2:c2a1, 2a06:98c1:50::ac40:22a1, 108.162.194.161, 162.159.38.161 and 172.64.34.161.

newt.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd4, 2803:f800:50::6ca2:c1d4, 2a06:98c1:50::ac40:21d4, 108.162.193.212, 172.64.33.212 and 173.245.59.212.