`rfx-online.com`

DNSSEC	⚠️ Not signed
A	41.185.8.180^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
		PTR	`srv108.hostserv.co.za`
NS	`linus.ns.1-grid.co.uk` ⭐
		A	41.185.8.21^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`ns1.jcwdns.biz`
			PTR	`ns1.jcwhosting.biz`
			PTR	`ns1.westcoastwebdesign.biz`
			PTR	`ns1.allkaruur.com`
			PTR	`ns1.blueflowmedia.com`
			PTR	`ns1.goldeninternethosting.com`
			PTR	`ns1.jcwdns.com`
			PTR	`ns1.talagu.com`
			PTR	`ns1.vilhogideon.com`
			PTR	`ns1.vtechits.com`
			PTR	`ns1.jcwhosting.in`
			PTR	`ns1.globuz.info`
			PTR	`ns1.jcwdns.info`
			PTR	`ns1.jcwhosting.info`
			PTR	`ns3.chikomo.net`
			PTR	`ns1.dothehosting.net`
			PTR	`ns1.jcwdns.net`
			PTR	`ns1.jcwhosting.net`
			PTR	`ns1.megabyteserver.net`
			PTR	`ns1.serve-hosting.net`
			PTR	`ns3.serve-hosting.net`
			PTR	`ns1.somclick.net`
			PTR	`ns1.jcwdns.org`
			PTR	`ns1.jcwhosting.org`
			PTR	`ns1.jcwdns.us`
			PTR	`ns1.amia.co.za`
			PTR	`ns1.dextrad.co.za`
			PTR	`ns1.domainandhosting.co.za`
			PTR	`lnx1.gonline.co.za`
			PTR	`ns1.jcwdns.co.za`
			PTR	`ns1.localdns.co.za`
			PTR	`ns1.localdns2.co.za`
			PTR	`ns1.moilaconnects.co.za`
			PTR	`ns1.moilahosting.co.za`
			PTR	`ns1.sanlouis-designs.co.za`
			PTR	`ns1.the-fishbowl.co.za`
			PTR	`ns1.zprohosting.co.za`
			PTR	`cdns1.cpt.wa.co.za`
NS	`linus.ns.1-grid.co.za`
		A	41.185.8.22^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`ns2.jcwdns.biz`
			PTR	`ns2.jcwhosting.biz`
			PTR	`ns2.westcoastwebdesign.biz`
			PTR	`ns2.allkaruur.com`
			PTR	`ns2.blueflowmedia.com`
			PTR	`ns2.goldeninternethosting.com`
			PTR	`ns2.jcwdns.com`
			PTR	`ns2.talagu.com`
			PTR	`ns2.vilhogideon.com`
			PTR	`ns2.vtechits.com`
			PTR	`ns2.jcwhosting.in`
			PTR	`ns2.globuz.info`
			PTR	`ns2.jcwdns.info`
			PTR	`ns2.jcwhosting.info`
			PTR	`ns4.chikomo.net`
			PTR	`ns2.dothehosting.net`
			PTR	`ns2.jcwdns.net`
			PTR	`ns2.jcwhosting.net`
			PTR	`ns2.megabyteserver.net`
			PTR	`ns2.serve-hosting.net`
			PTR	`ns4.serve-hosting.net`
			PTR	`ns2.somclick.net`
			PTR	`ns2.jcwdns.org`
			PTR	`ns2.jcwhosting.org`
			PTR	`ns2.jcwdns.us`
			PTR	`ns2.amia.co.za`
			PTR	`ns2.dextrad.co.za`
			PTR	`ns3.dextrad.co.za`
			PTR	`ns2.domainandhosting.co.za`
			PTR	`ns3.domainandhosting.co.za`
			PTR	`ns4.domainandhosting.co.za`
			PTR	`lnx2.gonline.co.za`
			PTR	`ns2.jcwdns.co.za`
			PTR	`ns2.localdns.co.za`
			PTR	`ns2.localdns2.co.za`
			PTR	`ns2.moilaconnects.co.za`
			PTR	`ns2.moilahosting.co.za`
			PTR	`ns2.sanlouis-designs.co.za`
			PTR	`ns2.the-fishbowl.co.za`
			PTR	`ns2.zprohosting.co.za`
			PTR	`cdns2.cpt.wa.co.za`
NS	`linus.ns.1-grid.com`
		A	41.185.8.21^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`ns1.jcwdns.biz`
			PTR	`ns1.jcwhosting.biz`
			PTR	`ns1.westcoastwebdesign.biz`
			PTR	`ns1.allkaruur.com`
			PTR	`ns1.blueflowmedia.com`
			PTR	`ns1.goldeninternethosting.com`
			PTR	`ns1.jcwdns.com`
			PTR	`ns1.talagu.com`
			PTR	`ns1.vilhogideon.com`
			PTR	`ns1.vtechits.com`
			PTR	`ns1.jcwhosting.in`
			PTR	`ns1.globuz.info`
			PTR	`ns1.jcwdns.info`
			PTR	`ns1.jcwhosting.info`
			PTR	`ns3.chikomo.net`
			PTR	`ns1.dothehosting.net`
			PTR	`ns1.jcwdns.net`
			PTR	`ns1.jcwhosting.net`
			PTR	`ns1.megabyteserver.net`
			PTR	`ns1.serve-hosting.net`
			PTR	`ns3.serve-hosting.net`
			PTR	`ns1.somclick.net`
			PTR	`ns1.jcwdns.org`
			PTR	`ns1.jcwhosting.org`
			PTR	`ns1.jcwdns.us`
			PTR	`ns1.amia.co.za`
			PTR	`ns1.dextrad.co.za`
			PTR	`ns1.domainandhosting.co.za`
			PTR	`lnx1.gonline.co.za`
			PTR	`ns1.jcwdns.co.za`
			PTR	`ns1.localdns.co.za`
			PTR	`ns1.localdns2.co.za`
			PTR	`ns1.moilaconnects.co.za`
			PTR	`ns1.moilahosting.co.za`
			PTR	`ns1.sanlouis-designs.co.za`
			PTR	`ns1.the-fishbowl.co.za`
			PTR	`ns1.zprohosting.co.za`
			PTR	`cdns1.cpt.wa.co.za`
NS	`linus.ns.1-grid.net`
		A	41.185.8.22^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`ns2.jcwdns.biz`
			PTR	`ns2.jcwhosting.biz`
			PTR	`ns2.westcoastwebdesign.biz`
			PTR	`ns2.allkaruur.com`
			PTR	`ns2.blueflowmedia.com`
			PTR	`ns2.goldeninternethosting.com`
			PTR	`ns2.jcwdns.com`
			PTR	`ns2.talagu.com`
			PTR	`ns2.vilhogideon.com`
			PTR	`ns2.vtechits.com`
			PTR	`ns2.jcwhosting.in`
			PTR	`ns2.globuz.info`
			PTR	`ns2.jcwdns.info`
			PTR	`ns2.jcwhosting.info`
			PTR	`ns4.chikomo.net`
			PTR	`ns2.dothehosting.net`
			PTR	`ns2.jcwdns.net`
			PTR	`ns2.jcwhosting.net`
			PTR	`ns2.megabyteserver.net`
			PTR	`ns2.serve-hosting.net`
			PTR	`ns4.serve-hosting.net`
			PTR	`ns2.somclick.net`
			PTR	`ns2.jcwdns.org`
			PTR	`ns2.jcwhosting.org`
			PTR	`ns2.jcwdns.us`
			PTR	`ns2.amia.co.za`
			PTR	`ns2.dextrad.co.za`
			PTR	`ns3.dextrad.co.za`
			PTR	`ns2.domainandhosting.co.za`
			PTR	`ns3.domainandhosting.co.za`
			PTR	`ns4.domainandhosting.co.za`
			PTR	`lnx2.gonline.co.za`
			PTR	`ns2.jcwdns.co.za`
			PTR	`ns2.localdns.co.za`
			PTR	`ns2.localdns2.co.za`
			PTR	`ns2.moilaconnects.co.za`
			PTR	`ns2.moilahosting.co.za`
			PTR	`ns2.sanlouis-designs.co.za`
			PTR	`ns2.the-fishbowl.co.za`
			PTR	`ns2.zprohosting.co.za`
			PTR	`cdns2.cpt.wa.co.za`
MX	`1-grid-mx01.co.za` ⭐
		A	41.185.250.20^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.185.250.30^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.185.250.50^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.185.250.60^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.185.250.70^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter07.hostserv.co.za`
		A	41.185.250.80^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.185.250.90^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.185.250.100^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter10.hostserv.co.za`
MX	`1-grid-mx02.com` ⭐
		A	41.185.249.20^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.185.249.30^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.185.249.50^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.185.249.60^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.185.249.70^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter07.hostserv.co.za`
		A	41.185.249.80^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.185.249.90^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.185.249.100^{🇿🇦 ZA-1-Grid41.185.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter10.hostserv.co.za`
MX	`1-grid-mx03.co.za` ⭐
		A	41.61.250.20^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.61.250.30^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.61.250.50^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.61.250.60^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.61.250.80^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.61.250.90^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.61.250.100^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter10.hostserv.co.za`
MX	`1-grid-mx04.com` ⭐
		A	41.61.249.20^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.61.249.30^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.61.249.50^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.61.249.60^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.61.249.70^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter07.hostserv.co.za`
		A	41.61.249.80^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.61.249.90^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.61.249.100^{🇿🇦 ZA-1-Grid41.61.0.0/16 1-Grid Route Object}
			PTR	`spamtitan-filter10.hostserv.co.za`
SOA	`linus.ns.1-grid.co.uk`hostmaster@rfx-online.com 2024-10-24 #8

`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=1783916782

Subdomains

fw1a.rfx-online.com

Same first word

rfx-online.com

Similar names

online-xrf.com

DNS History

14 records (9 active, 5 former)

○NScdns1.cpt.wa.co.za2016-12-19 → 2018-07-30 · 4 obs

● 2016-12-19 16:05:44
● 2018-07-30 11:57:02
○ 2026-04-04 14:38:10
○ 2026-07-13 04:42:04

○NScdns2.cpt.wa.co.za2016-12-19 → 2018-07-30 · 4 obs

● 2016-12-19 16:05:44
● 2018-07-30 11:57:02
○ 2026-04-04 14:38:10
○ 2026-07-13 04:42:04

●NSlinus.ns.1-grid.co.uk2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●NSlinus.ns.1-grid.co.za2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●NSlinus.ns.1-grid.com2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●NSlinus.ns.1-grid.net2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●MX1-grid-mx01.co.za2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●MX1-grid-mx02.com2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●MX1-grid-mx03.co.za2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

●MX1-grid-mx04.com2026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

○MXfw1a.rfx-online.com2016-12-19 → 2018-07-30 · 4 obs

● 2016-12-19 16:05:44
● 2018-07-30 11:57:02
○ 2026-04-04 14:38:10
○ 2026-07-13 04:42:04

○MXfw2a.rfx-online.com2016-12-19 → 2018-07-30 · 4 obs

● 2016-12-19 16:05:44
● 2018-07-30 11:57:02
○ 2026-04-04 14:38:10
○ 2026-07-13 04:42:04

●A41.185.8.1802026-04-04 → 2026-07-13 · 3 obs

○ 2018-07-30 11:57:02
● 2026-04-04 14:38:10
● 2026-07-13 04:42:04

○A41.185.8.1922016-12-19 → 2018-07-30 · 4 obs

● 2016-12-19 16:05:44
● 2018-07-30 11:57:02
○ 2026-04-04 14:38:10
○ 2026-07-13 04:42:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net...	-
rfx-online.com	linus.ns.1-grid.com, linus.ns.1-grid.net, linus.ns.1-grid.co.uk, linus.ns.1-grid.co.za	1 record

✅ Authoritative Response

Server:41.185.8.22

NS records: linus.ns.1-grid.com, linus.ns.1-grid.net, linus.ns.1-grid.co.uk, linus.ns.1-grid.co.za

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfx-online.com (unsigned zone)

⏱️ Timing

Total: 2177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`41.185.8.180`
NS	4	`linus.ns.1-grid.co.za, linus.ns.1-grid.net...`
MX	4	`1-grid-mx04.com (pri: 5), 1-grid-mx01.co.za (pri: 5)...`
SOA	1	`linus.ns.1-grid.co.uk hostmaster.rfx-onl`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (linus.ns.1-grid.com)

Analysis

Hierarchy

fw1a.rfx-online.com is delegated beneath rfx-online.com.

IP Addresses

rfx-online.com directs to one IP number, which is 41.185.8.180.

Among the host names that share IP numbers with rfx-online.com are southafricainfo.co.za, chatsworthtabloid.co.za, mail.southafricainfo.co.za and two others.

Name Servers

The domain rfx-online.com is delegated to these four name servers: linus.ns.1-grid.com, linus.ns.1-grid.net, linus.ns.1-grid.co.uk and linus.ns.1-grid.co.za.

There is at least partial name server overlap between rfx-online.com and other domains — noiseboysgoodwood.co.za, soulalchemy.co.za, dreamplay.co.za and two more among them.

These name servers tend to appear in combination with the name servers cdns1.cpt.wa.co.za, cdns2.cpt.wa.co.za, ns1.hostserv.co.za and ns2.hostserv.co.za.

Of the four host names linus.ns.1-grid.com, linus.ns.1-grid.net, linus.ns.1-grid.co.uk and linus.ns.1-grid.co.za, each resolves to a single IP address: linus.ns.1-grid.com to 41.185.8.21, linus.ns.1-grid.net to 41.185.8.22, linus.ns.1-grid.co.uk to 41.185.8.21 and linus.ns.1-grid.co.za to 41.185.8.22.

linus.ns.1-grid.com and linus.ns.1-grid.co.uk each have 41.185.8.21 IP addresses.

linus.ns.1-grid.net and linus.ns.1-grid.co.za each have 41.185.8.22 IP addresses.

Mail Servers

The four mail servers for rfx-online.com are 1-grid-mx02.com, 1-grid-mx04.com, 1-grid-mx01.co.za and 1-grid-mx03.co.za.

rfx-online.com shares at least some of its mail servers with other domains — for example ejm.co.za, mobisheets.co.za, thepinkcollection.co.za and two more.

Host names resolving to 8 IP numbers:

1-grid-mx02.com maps to 41.185.249.20, 41.185.249.30, 41.185.249.50 and 5 additional IP addresses.

1-grid-mx04.com maps to 41.61.249.20, 41.61.249.30, 41.61.249.50 and 5 additional IP addresses.

1-grid-mx01.co.za maps to 41.185.250.20, 41.185.250.30, 41.185.250.50 and 5 additional IP addresses.

Host names resolving to 7 IP numbers:

1-grid-mx03.co.za maps to 41.61.250.20, 41.61.250.30, 41.61.250.50 and 4 additional IP addresses.

rfx-online.com - robtex.com

rfx-online.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rfx-online.com`

`com`