521o.com - robtex.com

521o.com

DNSSEC🔒 Signed (DS record present)
NSmelina.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26b8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
A2803:f800:50::6ca2:c2b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelina.ns.cloudflare.com
A2a06:98c1:50::ac40:22b8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelina.ns.cloudflare.com
A108.162.194.184🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
A162.159.38.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
A172.64.34.184🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
NSsimon.ns.cloudflare.com
A2606:4700:58::adf5:3be8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
A2803:f800:50::6ca2:c1e8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsimon.ns.cloudflare.com
A2a06:98c1:50::ac40:21e8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsimon.ns.cloudflare.com
A108.162.193.232🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
A172.64.33.232🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
A173.245.59.232🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsimon.ns.cloudflare.com
MXeu1.workspace.org ⭐
A193.108.130.81🇱🇺 AS965193.108.130.0/24
PTReu1.workspace.org
TXTgoogle-site-verification=hZuhLADghjdwltiBKyd2uaHvMyBfer3HwzITLLW5OoU
TXTv=spf1 include:_spf.workspace.org -all
SOAmelina.ns.cloudflare.comdns@cloudflare.com serial=2399293920

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=1774533302

Same first word

521o.com

Similar names

o521.com
51o2.com
125o.cn
o521.cn
15o2.de
o152.ru

DNS History

9 records (3 active, 6 former)

20162017201820192020202120222023202420252026NSmelina.ns.cloudflare.comsimon.ns.cloudflare.comdns19.hichina.comdns20.hichina.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netMXeu1.workspace.orgA119.28.218.18458.215.186.213
○NSdns19.hichina.com2020-03-03 → 2020-03-03 · 3 obs
○ 2016-07-13 13:42:04
● 2020-03-03 10:18:40
○ 2026-03-26 14:25:36
○NSdns20.hichina.com2020-03-03 → 2020-03-03 · 3 obs
○ 2016-07-13 13:42:04
● 2020-03-03 10:18:40
○ 2026-03-26 14:25:36
○NSf1g1ns1.dnspod.net2015-07-21 → 2016-07-13 · 4 obs
● 2015-07-21 03:58:46
● 2016-07-13 13:42:04
○ 2020-03-03 10:18:40
○ 2026-03-26 14:25:36
○NSf1g1ns2.dnspod.net2015-07-21 → 2016-07-13 · 4 obs
● 2015-07-21 03:58:46
● 2016-07-13 13:42:04
○ 2020-03-03 10:18:40
○ 2026-03-26 14:25:36
●NSmelina.ns.cloudflare.com2026-03-26 → 2026-03-26 · 2 obs
○ 2020-03-03 10:18:40
● 2026-03-26 14:25:36
●NSsimon.ns.cloudflare.com2026-03-26 → 2026-03-26 · 2 obs
○ 2020-03-03 10:18:40
● 2026-03-26 14:25:36
●MXeu1.workspace.org2026-03-26 → 2026-03-26 · 1 obs
● 2026-03-26 14:25:36
○A119.28.218.1842020-03-03 → 2020-03-03 · 3 obs
○ 2016-07-13 13:42:04
● 2020-03-03 10:18:40
○ 2026-03-26 14:25:36
○A58.215.186.2132015-07-21 → 2016-07-13 · 4 obs
● 2015-07-21 03:58:46
● 2016-07-13 13:42:04
○ 2020-03-03 10:18:40
○ 2026-03-26 14:25:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...-
521o.comsimon.ns.cloudflare.com, melina.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.184

NS records: simon.ns.cloudflare.com, melina.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

TypeCountSample Data
NS2melina.ns.cloudflare.com, simon.ns.cloudflare.com
MX1eu1.workspace.org (pri: 10)
TXT2google-site-verification=hZuhLADghjdwlti, v=spf1 include:_spf.workspace.org -all
SOA1melina.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

521o.com is delegated to two name servers: melina.ns.cloudflare.com and simon.ns.cloudflare.com.

521o.com shares the same name server setup as other domains, for example fxk.cc, utensileriasarda.eu, kvn.co.th, wooddfostt.com and zacharney.com.

521o.com at least partially shares name servers with other domains, for instance chat40.net, credititaka.ru, alg66.com, vesselsofvalor.com and uuugh.com.

These name servers are commonly used with the name servers lina.ns.cloudflare.com.

Host names with six IP numbers:

melina.ns.cloudflare.com points to: 2606:4700:50::a29f:26b8, 2803:f800:50::6ca2:c2b8, 2a06:98c1:50::ac40:22b8, 108.162.194.184, 162.159.38.184 and 172.64.34.184; simon.ns.cloudflare.com points to: 2606:4700:58::adf5:3be8, 2803:f800:50::6ca2:c1e8, 2a06:98c1:50::ac40:21e8, 108.162.193.232, 172.64.33.232 and 173.245.59.232.

Mail Servers

521o.com is handled by a single mail server, eu1.workspace.org.

521o.com shares the same mail server setup as other domains, for instance xigio.com, nsorz.com, vpsgo.de, wlxyzxyz.com and serveproxy.com.

521o.com shares mail servers with other domains at least partially, including qiui.org, sedasoft.com, gaorain.com, dreamlandzante.gr and macked.app.

these mail servers are often used with the mail servers mx2.mxfilter.net, mx3.mxfilter.net, mx4.mxfilter.net and mx1.mxfilter.net.

Host name eu1.workspace.org points to IP address 193.108.130.81.