return21.com - dns.ninja

`return21.com`

DNSSEC	⚠️ Not signed
A	62.219.30.30^{🇮🇱 BEZEQ-INTERNATIONAL-AS62.219.30.0/24}
		PTR	`win41.1host.co.il`
NS	`will.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c195^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`will.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2195^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`will.ns.cloudflare.com`
		A	108.162.193.149^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	172.64.33.149^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	173.245.59.149^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
MX	`mailout.outbox.co.il` ⭐
		A	193.169.246.10^{🇮🇱 INWISE-AS193.169.246.0/23 INWISE LTD}
			PTR	`mailout.outbox.co.il`
TXT	`v=spf1 ip4:212.235.125.32/27 ip4:193.169.246.0/23 ip4:212.29.221.192/26 ip4:2...`
SOA	`will.ns.cloudflare.com`dns@cloudflare.com serial=2411076624

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785679412

Same first word

return21.com

Similar names

12return.com

12return.eu

12turner.com

DNS History

8 records (4 active, 4 former)

○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
○ 2026-08-02 14:24:02

○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
○ 2026-08-02 14:24:02

○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
○ 2026-08-02 14:24:02

●NSwill.ns.cloudflare.com2017-01-16 → 2026-08-02 · 3 obs

○ 2016-05-09 05:00:22
● 2017-01-16 12:49:48
● 2026-08-02 14:24:02

●NSzoe.ns.cloudflare.com2017-01-16 → 2026-08-02 · 3 obs

○ 2016-05-09 05:00:22
● 2017-01-16 12:49:48
● 2026-08-02 14:24:02

○MX193.169.246.102015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 14:32:08
○ 2015-11-13 11:44:38
○ 2026-08-02 14:24:02

●MXmailout.outbox.co.il2015-11-13 → 2026-08-02 · 3 obs

○ 2015-07-12 14:32:08
● 2015-11-13 11:44:38
● 2026-08-02 14:24:02

●A62.219.30.302015-07-12 → 2026-08-02 · 2 obs

● 2015-07-12 14:32:08
● 2026-08-02 14:24:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
return21.com	will.ns.cloudflare.com, zoe.ns.cloudflare.com	12 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: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.219.30.30`
NS	2	`will.ns.cloudflare.com, zoe.ns.cloudflare.com`
MX	1	`mailout.outbox.co.il (pri: 10)`
TXT	1	`v=spf1 ip4:212.235.125.32/27 ip4:193.169`
SOA	1	`will.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.

Among others, smtp537.com, kalbinyan.co.il, win41.1host.co.il and sella-group.com resolve to the same IP numbers as 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:

Hostname will.ns.cloudflare.com directs to 108.162.193.149, 172.64.33.149 and 173.245.59.149 along with 3 other IP addresses.

Hostname zoe.ns.cloudflare.com directs to 108.162.192.149, 172.64.32.149 and 173.245.58.149 along with 3 other IP addresses.

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.

Some mail servers of return21.com are also used by other domains, notably smtp532.com and smtp535.com.

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.