21rubbers.com - robtex.com

21rubbers.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:85e5🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1957🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.87Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.229🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkai.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A2803:f800:50::6ca2:c1bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkai.ns.cloudflare.com
A2a06:98c1:50::ac40:21bc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkai.ns.cloudflare.com
A108.162.193.188🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A172.64.33.188🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A173.245.59.188🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
NSleah.ns.cloudflare.com
A2606:4700:50::adf5:3a81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A2803:f800:50::6ca2:c081🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleah.ns.cloudflare.com
A2a06:98c1:50::ac40:2081🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleah.ns.cloudflare.com
A108.162.192.129🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A172.64.32.129🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A173.245.58.129🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.87, 172.67.133.229
IPv6 hints2606:4700:3034::ac43:85e5, 2606:4700:3037::6815:1957
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOAkai.ns.cloudflare.comdns@cloudflare.com serial=2401950570

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=1777003561

Same first word

21rubbers.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSkai.ns.cloudflare.comleah.ns.cloudflare.comdns.bizcn.comns7.cnmsn.netns8.cnmsn.netA104.21.25.87172.67.133.2292606:4700:3034::ac43:85e52606:4700:3037::6815:1957124.160.116.220188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
○NSdns.bizcn.com2015-05-20 → 2020-02-26 · 4 obs
● 2015-05-20 14:55:24
● 2020-02-26 23:17:28
○ 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
●NSkai.ns.cloudflare.com2026-04-17 → 2026-04-24 · 3 obs
○ 2020-02-26 23:17:28
● 2026-04-17 09:41:50
● 2026-04-24 04:22:30
●NSleah.ns.cloudflare.com2026-04-17 → 2026-04-24 · 3 obs
○ 2020-02-26 23:17:28
● 2026-04-17 09:41:50
● 2026-04-24 04:22:30
○NSns7.cnmsn.net2015-05-20 → 2020-02-26 · 4 obs
● 2015-05-20 14:55:24
● 2020-02-26 23:17:28
○ 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
○NSns8.cnmsn.net2015-05-20 → 2020-02-26 · 4 obs
● 2015-05-20 14:55:24
● 2020-02-26 23:17:28
○ 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
●A104.21.25.872026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-17 09:41:50
● 2026-04-24 04:22:30
○A124.160.116.2202015-05-20 → 2020-02-26 · 4 obs
● 2015-05-20 14:55:24
● 2020-02-26 23:17:28
○ 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
●A172.67.133.2292026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-17 09:41:50
● 2026-04-24 04:22:30
○A188.114.96.02026-04-17 → 2026-04-17 · 3 obs
○ 2020-02-26 23:17:28
● 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
○A188.114.97.02026-04-17 → 2026-04-17 · 3 obs
○ 2020-02-26 23:17:28
● 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
●A2606:4700:3034::ac43:85e52026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-17 09:41:50
● 2026-04-24 04:22:30
●A2606:4700:3037::6815:19572026-04-24 → 2026-04-24 · 2 obs
○ 2026-04-17 09:41:50
● 2026-04-24 04:22:30
○A2a06:98c1:3120::2026-04-17 → 2026-04-17 · 3 obs
○ 2020-02-26 23:17:28
● 2026-04-17 09:41:50
○ 2026-04-24 04:22:30
○A2a06:98c1:3121::2026-04-17 → 2026-04-17 · 3 obs
○ 2020-02-26 23:17:28
● 2026-04-17 09:41:50
○ 2026-04-24 04:22:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
21rubbers.comleah.ns.cloudflare.com, kai.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.129

NS records: leah.ns.cloudflare.com, kai.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21rubbers.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.229, 104.21.25.87
AAAA22606:4700:3034::ac43:85e5, 2606:4700:3037::6815:1957
NS2kai.ns.cloudflare.com, leah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kai.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21rubbers.com resolves to four IP numbers: 2606:4700:3034::ac43:85e5, 2606:4700:3037::6815:1957, 104.21.25.87 and 172.67.133.229.

Other host names such as luvnutz.com, freelive(0x736578).mobi, myleadco.com, localhost.hermanwijffelsinnovatieprijs.nl and m2cabin.ru share IPs with 21rubbers.com.

Name Servers

21rubbers.com is delegated to two name servers: kai.ns.cloudflare.com and leah.ns.cloudflare.com.

21rubbers.com shares the same name server setup as chinapakistanservice.com, kolhaus.com, hkjal.com, cghp.net and weareauthentic.com.

21rubbers.com at least partially shares name servers with other domains, for instance hdacali.com, adcuratio.com, fullphone.cl, routerchart.com and speedresto.com.

These name servers are commonly used with mark.ns.cloudflare.com and hera.ns.cloudflare.com.

Host names with six IP numbers:

kai.ns.cloudflare.com points to 2606:4700:58::adf5:3bbc, 2803:f800:50::6ca2:c1bc, 2a06:98c1:50::ac40:21bc, 108.162.193.188, 172.64.33.188 and 173.245.59.188.

leah.ns.cloudflare.com points to 2606:4700:50::adf5:3a81, 2803:f800:50::6ca2:c081, 2a06:98c1:50::ac40:2081, 108.162.192.129, 172.64.32.129 and 173.245.58.129.