sz-b2b.com - robtex.com

sz-b2b.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:603f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:ad9d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.96.63Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.157🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSderek.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A2803:f800:50::6ca2:c19a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRderek.ns.cloudflare.com
A2a06:98c1:50::ac40:219a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRderek.ns.cloudflare.com
A108.162.193.154🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A172.64.33.154🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A173.245.59.154🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
NSsavanna.ns.cloudflare.com
A2606:4700:50::a29f:2688🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
A2803:f800:50::6ca2:c288🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsavanna.ns.cloudflare.com
A2a06:98c1:50::ac40:2288🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsavanna.ns.cloudflare.com
A108.162.194.136🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
A162.159.38.136Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
A172.64.34.136🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.96.63, 172.67.173.157
IPv6 hints2606:4700:3033::6815:603f, 2606:4700:3034::ac43:ad9d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOAderek.ns.cloudflare.comdns@cloudflare.com serial=2401213652

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776005177

Subdomains

www.sz-b2b.com

Same first word

sz-b2b.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSderek.ns.cloudflare.comsavanna.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netA104.21.96.63172.67.173.1572606:4700:3033::6815:603f2606:4700:3034::ac43:ad9d106.3.36.8323.225.110.164CNAME8.yun.haodai.com
●NSderek.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs
○ 2016-11-14 23:42:38
● 2026-04-10 08:09:14
● 2026-04-12 15:11:32
○NSf1g1ns1.dnspod.net2015-10-13 → 2016-11-14 · 6 obs
● 2015-10-13 11:47:00
● 2016-03-23 18:43:18
○ 2016-07-22 15:08:16
● 2016-11-14 23:42:38
○ 2026-04-10 08:09:14
○ 2026-04-12 15:11:32
○NSf1g1ns2.dnspod.net2015-10-13 → 2016-03-23 · 4 obs
● 2015-10-13 11:47:00
● 2016-03-23 18:43:18
○ 2016-07-22 15:08:16
○ 2026-04-12 15:11:32
●NSsavanna.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs
○ 2016-11-14 23:42:38
● 2026-04-10 08:09:14
● 2026-04-12 15:11:32
●A104.21.96.632026-04-10 → 2026-04-12 · 3 obs
○ 2016-12-02 03:10:58
● 2026-04-10 08:09:14
● 2026-04-12 15:11:32
○A106.3.36.832016-11-14 → 2016-12-02 · 5 obs
○ 2016-07-22 15:08:16
● 2016-11-14 18:20:38
● 2016-12-02 03:10:58
○ 2026-04-10 08:09:14
○ 2026-04-12 15:11:32
●A172.67.173.1572026-04-10 → 2026-04-12 · 3 obs
○ 2016-12-02 03:10:58
● 2026-04-10 08:09:14
● 2026-04-12 15:11:32
○A23.225.110.1642015-10-13 → 2016-03-23 · 4 obs
● 2015-10-13 11:47:00
● 2016-03-23 18:43:18
○ 2016-07-22 15:08:16
○ 2026-04-12 15:11:32
●A2606:4700:3033::6815:603f2026-04-10 → 2026-04-12 · 3 obs
○ 2016-12-02 03:10:58
● 2026-04-10 08:09:14
● 2026-04-12 15:11:32
●A2606:4700:3034::ac43:ad9d2026-04-10 → 2026-04-12 · 3 obs
○ 2016-12-02 03:10:58
● 2026-04-10 08:09:14
● 2026-04-12 15:11:32
○CNAME8.yun.haodai.com2016-11-14 → 2016-12-02 · 6 obs
● 2016-11-14 18:20:38
○ 2016-11-14 23:42:38
● 2016-11-15 19:19:20
● 2016-12-02 03:10:58
○ 2026-04-10 08:09:14
○ 2026-04-12 15:11:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sz-b2b.comderek.ns.cloudflare.com, savanna.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.154

NS records: derek.ns.cloudflare.com, savanna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sz-b2b.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.173.157, 104.21.96.63
AAAA22606:4700:3033::6815:603f, 2606:4700:3034::ac43:ad9d
NS2derek.ns.cloudflare.com, savanna.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1derek.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.sz-b2b.com is sz-b2b.com.

IP Addresses

sz-b2b.com points to four IP numbers: 2606:4700:3033::6815:603f, 2606:4700:3034::ac43:ad9d, 104.21.96.63 and 172.67.173.157.

Other host names, for instance mail.natuzzi.co.il, sapphireone.com.au, tata.ua.cdn.cloudflare.net, www.mac1auto.com and fanweiruan.com share IP numbers with sz-b2b.com.

Name Servers

sz-b2b.com is delegated to two name servers: derek.ns.cloudflare.com and savanna.ns.cloudflare.com.

sz-b2b.com uses the same name server setup as other domains, for instance ydhair.com, 1aug.com, ambrosiaedibles.com, xianyys.com and ourwatercooler.com.

sz-b2b.com shares name servers with other domains at least partially, for instance patchcarry.com, garnier.cr, serv.ac, iitjeeonline.com and thesewalls.cfd.

Host names with six IP numbers: derek.ns.cloudflare.com points to 2606:4700:58::adf5:3b9a, 2803:f800:50::6ca2:c19a, 2a06:98c1:50::ac40:219a, 108.162.193.154, 172.64.33.154 and 173.245.59.154; savanna.ns.cloudflare.com points to 2606:4700:50::a29f:2688, 2803:f800:50::6ca2:c288, 2a06:98c1:50::ac40:2288, 108.162.194.136, 162.159.38.136 and 172.64.34.136.