rs521.com - robtex.com

rs521.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1529🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c461🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.41Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.97🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnoah.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A2803:f800:50::6ca2:c185🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoah.ns.cloudflare.com
A2a06:98c1:50::ac40:2185🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoah.ns.cloudflare.com
A108.162.193.133🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A172.64.33.133🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A173.245.59.133🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
NSsimone.ns.cloudflare.com
A2606:4700:50::a29f:261a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimone.ns.cloudflare.com
A2803:f800:50::6ca2:c21a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsimone.ns.cloudflare.com
A2a06:98c1:50::ac40:221a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsimone.ns.cloudflare.com
A108.162.194.26🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimone.ns.cloudflare.com
A162.159.38.26Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimone.ns.cloudflare.com
A172.64.34.26🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimone.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.21.41, 172.67.196.97
IPv62606:4700:3032::6815:1529, 2606:4700:3035::ac43:c461
SOAnoah.ns.cloudflare.comdns@cloudflare.com serial=2399040928

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=1774443967

Same first word

rs521.com

Similar names

125rs.com
rs125.it

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSnoah.ns.cloudflare.comsimone.ns.cloudflare.comexpire1.gname-dns.comexpire2.gname-dns.comns.yovole.comns1.yovole.comMXmail.rs521.comA104.21.21.41172.67.196.972606:4700:3032::6815:15292606:4700:3035::ac43:c46161.152.239.188CNAMEexp.gs-cdn.com
○NSexpire1.gname-dns.com2026-03-25 → 2026-03-25 · 1 obs
○ 2026-03-25 13:23:52
○NSexpire2.gname-dns.com2026-03-25 → 2026-03-25 · 1 obs
○ 2026-03-25 13:23:52
●NSnoah.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs
○ 2017-04-19 09:39:12
● 2026-03-25 13:23:52
○NSns.yovole.com2015-08-19 → 2017-04-19 · 3 obs
● 2015-08-19 10:34:38
● 2017-04-19 09:39:12
○ 2026-03-25 13:23:52
○NSns1.yovole.com2015-08-19 → 2017-04-19 · 3 obs
● 2015-08-19 10:34:38
● 2017-04-19 09:39:12
○ 2026-03-25 13:23:52
●NSsimone.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs
○ 2017-04-19 09:39:12
● 2026-03-25 13:23:52
○MXmail.rs521.com2015-08-19 → 2017-04-19 · 3 obs
● 2015-08-19 10:34:38
● 2017-04-19 09:39:12
○ 2026-03-25 13:23:52
●A104.21.21.412026-03-25 → 2026-03-25 · 2 obs
○ 2017-04-19 09:39:12
● 2026-03-25 13:23:52
●A172.67.196.972026-03-25 → 2026-03-25 · 2 obs
○ 2017-04-19 09:39:12
● 2026-03-25 13:23:52
●A2606:4700:3032::6815:15292026-03-25 → 2026-03-25 · 2 obs
○ 2017-04-19 09:39:12
● 2026-03-25 13:23:52
●A2606:4700:3035::ac43:c4612026-03-25 → 2026-03-25 · 2 obs
○ 2017-04-19 09:39:12
● 2026-03-25 13:23:52
○A61.152.239.1882015-08-19 → 2017-04-19 · 3 obs
● 2015-08-19 10:34:38
● 2017-04-19 09:39:12
○ 2026-03-25 13:23:52
○CNAMEexp.gs-cdn.com2026-03-25 → 2026-03-25 · 1 obs
○ 2026-03-25 13:23:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...-
rs521.comnoah.ns.cloudflare.com, simone.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.133

NS records: noah.ns.cloudflare.com, simone.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rs521.com (unsigned zone)

⏱️ Timing

Total: 78ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.196.97, 104.21.21.41
AAAA22606:4700:3035::ac43:c461, 2606:4700:3032::6815:1529
NS2noah.ns.cloudflare.com, simone.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1noah.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rs521.com points to four IP numbers: 2606:4700:3032::6815:1529, 2606:4700:3035::ac43:c461, 104.21.21.41 and 172.67.196.97.

Other host names including yamadera.org, indra.co.il, speedyairservices.com, itmenaanlodges.com and phongchaulab.com share IP numbers with rs521.com.

Name Servers

rs521.com's delegation uses two name servers, noah.ns.cloudflare.com and simone.ns.cloudflare.com.

rs521.com shares the same name server setup as other domains, for example caep-ep.com, csbwg.com, shhanfuxuan.com, hbnzjw.net and fjweilian.com.

rs521.com at least partially shares name servers with other domains, including pharmivet.pe, lawebdesmile.com, beritanasional.co, contextneutral.com and frachtsped.ch.

These name servers are commonly used with jasper.ns.cloudflare.com and jo.ns.cloudflare.com.

Host names with six IP numbers:

noah.ns.cloudflare.com points to: 2606:4700:58::adf5:3b85, 2803:f800:50::6ca2:c185, 2a06:98c1:50::ac40:2185, 108.162.193.133, 172.64.33.133 and 173.245.59.133.

simone.ns.cloudflare.com points to: 2606:4700:50::a29f:261a, 2803:f800:50::6ca2:c21a, 2a06:98c1:50::ac40:221a, 108.162.194.26, 162.159.38.26 and 172.64.34.26.