rfj.com - dns.ninja

`rfj.com`

DNSSEC	⚠️ Not signed
NS	`ns11.zns-53.com` ⭐
		A	2602:801:c00a::88^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00a::/48 Zoho Streaming Content Network}
			PTR	`ns11.zns-53.com`
		A	136.143.172.88^{🇺🇸 Zoho-Streaming-Content-Network136.143.172.0/24 Zoho Streaming Content Network}
			PTR	`ns11.zns-53.com`
NS	`ns21.zns-53.net`
		A	2602:801:c00b::99^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00b::/48 Zoho Streaming Content Network}
			PTR	`ns21.zns-53.net`
		A	136.143.173.99^{🇺🇸 Zoho-Streaming-Content-Network136.143.173.0/24 Zoho Streaming Content Network}
			PTR	`ns21.zns-53.net`
NS	`ns31.zns-53.com`
		A	2602:801:c00c::88^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00c::/48 Zoho Streaming Content Network}
			PTR	`ns31.zns-53.com`
		A	169.148.151.88^{🇺🇸 Zoho-Streaming-Content-Network169.148.151.0/24 Zoho Streaming Content Network}
			PTR	`ns31.zns-53.com`
NS	`ns41.zns-53.net`
		A	2602:801:c00c::99^{🇺🇸 Zoho-Streaming-Content-Network2602:801:c00c::/48 Zoho Streaming Content Network}
			PTR	`nns41.zns-53.net`
		A	169.148.152.99^{🇺🇸 Zoho-Streaming-Content-Network169.148.152.0/23 Zoho Streaming Content Network}
			PTR	`ns41.zns-53.net`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com ~all`
TXT	`zoho-verification=zb28993830.zmverify.zoho.com`
SOA	`ns11.zns-53.com`hostmaster@zohodns.com 2024-12-06 #34

`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=1785435267

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DNS History

11 records (7 active, 4 former)

●NSns11.zns-53.com2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

●NSns21.zns-53.net2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

●NSns31.zns-53.com2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

●NSns41.zns-53.net2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

○NSns85.worldnic.com2015-09-03 → 2016-11-28 · 4 obs

● 2015-09-03 23:01:26
● 2016-11-28 13:13:16
○ 2026-02-22 16:19:44
○ 2026-07-30 18:23:46

○NSns86.worldnic.com2015-09-03 → 2016-11-28 · 4 obs

● 2015-09-03 23:01:26
● 2016-11-28 13:13:16
○ 2026-02-22 16:19:44
○ 2026-07-30 18:23:46

○MXinbound.rfj.com.netsolmail.net2015-09-03 → 2016-11-28 · 4 obs

● 2015-09-03 23:01:26
● 2016-11-28 13:13:16
○ 2026-02-22 16:19:44
○ 2026-07-30 18:23:46

●MXmx.zoho.com2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

●MXmx2.zoho.com2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

●MXmx3.zoho.com2026-02-22 → 2026-07-30 · 3 obs

○ 2016-11-28 13:13:16
● 2026-02-22 16:19:44
● 2026-07-30 18:23:46

○A205.178.189.1292015-09-03 → 2016-11-28 · 4 obs

● 2015-09-03 23:01:26
● 2016-11-28 13:13:16
○ 2026-02-22 16:19:44
○ 2026-07-30 18:23:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rfj.com	ns11.zns-53.com, ns31.zns-53.com, ns21.zns-53.net, ns41.zns-53.net	4 records

✅ Authoritative Response

Server:169.148.151.88

NS records: ns11.zns-53.com, ns31.zns-53.com, ns21.zns-53.net, ns41.zns-53.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfj.com (unsigned zone)

⏱️ Timing

Total: 470ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns11.zns-53.com, ns21.zns-53.net...`
MX	3	`mx2.zoho.com (pri: 20), mx3.zoho.com (pri: 50)...`
TXT	2	`v=spf1 include:zohomail.com ~all, zoho-verification=zb28993830.zmverify.zo`
SOA	1	`ns11.zns-53.com hostmaster.zohodns.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns11.zns-53.com, ns11.zns-53.com, ns31.zns-53.com...)

Analysis

Name Servers

Four name servers handle the delegation for rfj.com: ns11.zns-53.com, ns31.zns-53.com, ns21.zns-53.net and ns41.zns-53.net.

At least some of rfj.com's name servers are shared with other domains, for example svcbharat.com, facilitiesdesk.com, catalystserverless.com and two more.

These name servers tend to appear together with the name servers pdns90.ultradns.biz, pdns90.ultradns.net and pdns90.ultradns.com, plus two others.

Four hostnames, each resolving to a pair of IP addresses: ns11.zns-53.com directs to 136.143.172.88 and 2602:801:c00a::88; ns31.zns-53.com directs to 169.148.151.88 and 2602:801:c00c::88; ns21.zns-53.net directs to 136.143.173.99 and 2602:801:c00b::99; ns41.zns-53.net directs to 169.148.152.99 and 2602:801:c00c::99.

Mail Servers

The MX records for rfj.com list three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by rfj.com are shared with other domains: studentinjapan.com, pregawish.com, lektiv.com and two others among them.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to one IP address: mx2.zoho.com to 136.143.183.44, and both mx3.zoho.com and mx.zoho.com to 204.141.43.44.

mx3.zoho.com along with mx.zoho.com each resolve to 204.141.43.44 IP addresses.