return21.com - dns.ninja

return21.com

DNSSEC⚠️ Not signed
A62.219.30.30🇮🇱 BEZEQ-INTERNATIONAL-AS62.219.30.0/24
PTRwin41.1host.co.il
NSwill.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b95🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwill.ns.cloudflare.com
A2803:f800:50::6ca2:c195🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwill.ns.cloudflare.com
A2a06:98c1:50::ac40:2195🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwill.ns.cloudflare.com
A108.162.193.149🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwill.ns.cloudflare.com
A172.64.33.149🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwill.ns.cloudflare.com
A173.245.59.149🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwill.ns.cloudflare.com
NSzoe.ns.cloudflare.com
A2606:4700:50::adf5:3a95🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
A2803:f800:50::6ca2:c095🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzoe.ns.cloudflare.com
A2a06:98c1:50::ac40:2095🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzoe.ns.cloudflare.com
A108.162.192.149🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
A172.64.32.149🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
A173.245.58.149🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
MXmailout.outbox.co.il ⭐
A193.169.246.10🇮🇱 INWISE-AS193.169.246.0/23 INWISE LTD
PTRmailout.outbox.co.il
TXTv=spf1 ip4:212.235.125.32/27 ip4:193.169.246.0/23 ip4:212.29.221.192/26 ip4:2...
SOAwill.ns.cloudflare.comdns@cloudflare.com serial=2405967521

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=1780939281

Same first word

return21.com

Similar names

12return.com
12return.eu
12turner.com

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSwill.ns.cloudflare.comzoe.ns.cloudflare.comns1.host-in.co.ilns2.host-in.co.ilns3.host-in.co.ilMXmailout.outbox.co.il193.169.246.10A62.219.30.30
○NSns1.host-in.co.il2015-07-12 → 2016-05-09 · 4 obs
● 2015-07-12 14:32:08
● 2016-05-09 05:00:22
○ 2017-01-16 12:49:48
○ 2026-06-08 17:44:38
○NSns2.host-in.co.il2015-07-12 → 2016-05-09 · 4 obs
● 2015-07-12 14:32:08
● 2016-05-09 05:00:22
○ 2017-01-16 12:49:48
○ 2026-06-08 17:44:38
○NSns3.host-in.co.il2015-07-12 → 2016-05-09 · 4 obs
● 2015-07-12 14:32:08
● 2016-05-09 05:00:22
○ 2017-01-16 12:49:48
○ 2026-06-08 17:44:38
●NSwill.ns.cloudflare.com2017-01-16 → 2026-06-08 · 3 obs
○ 2016-05-09 05:00:22
● 2017-01-16 12:49:48
● 2026-06-08 17:44:38
●NSzoe.ns.cloudflare.com2017-01-16 → 2026-06-08 · 3 obs
○ 2016-05-09 05:00:22
● 2017-01-16 12:49:48
● 2026-06-08 17:44:38
○MX193.169.246.102015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 14:32:08
○ 2015-11-13 11:44:38
○ 2026-06-08 17:44:38
●MXmailout.outbox.co.il2015-11-13 → 2026-06-08 · 3 obs
○ 2015-07-12 14:32:08
● 2015-11-13 11:44:38
● 2026-06-08 17:44:38
●A62.219.30.302015-07-12 → 2026-06-08 · 2 obs
● 2015-07-12 14:32:08
● 2026-06-08 17:44:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
return21.comwill.ns.cloudflare.com, zoe.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.149

NS records: will.ns.cloudflare.com, zoe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for return21.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

TypeCountSample Data
A162.219.30.30
NS2will.ns.cloudflare.com, zoe.ns.cloudflare.com
MX1mailout.outbox.co.il (pri: 10)
TXT1v=spf1 ip4:212.235.125.32/27 ip4:193.169
SOA1will.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

return21.com directs to one IP number, which is 62.219.30.30.

Other host names, for instance smtp537.com, kalbinyan.co.il and sella-group.com share IP numbers with return21.com.

Name Servers

return21.com uses two name servers for its delegation: will.ns.cloudflare.com and zoe.ns.cloudflare.com.

return21.com has the same name server delegation as a number of other domains, such as em-sender3.com, webversion.net, xbird.me and two more.

There is at least partial name server overlap between return21.com and other domains — anise.us, 921j.com, unlimitedportal.com and two more among them.

These name servers frequently co-occur with the name servers dawn.ns.cloudflare.com and aiden.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

will.ns.cloudflare.com maps to six IP addresses: 108.162.193.149, 172.64.33.149, 173.245.59.149 and three others.

zoe.ns.cloudflare.com maps to six IP addresses: 108.162.192.149, 172.64.32.149, 173.245.58.149 and three others.

Mail Servers

return21.com routes its mail through a single mail server, mailout.outbox.co.il.

return21.com has the same mail server arrangement as a number of other domains, for example return6.com, return8.com, outbox.co.il and two more.

return21.com and other domains — smtp532.com for instance — share at least some mail servers.

It is common to find these mail servers paired with the mail servers mail2.host-in.co.il.

mailout.outbox.co.il directs to just one IP number, 193.169.246.10.