mainsu.com - robtex.com

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`mainsu.com`

DNSSEC	⚠️ Not signed
A	41.185.8.153^{🇿🇦 WA-AS}
		PTR	`srv81.hostserv.co.za`
NS	`linus.ns.1-grid.co.uk` ⭐
		A	41.185.8.21^{🇿🇦 WA-AS}
			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^{🇿🇦 WA-AS}
			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^{🇿🇦 WA-AS}
			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^{🇿🇦 WA-AS}
			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^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.185.250.30^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.185.250.50^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.185.250.60^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.185.250.70^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter07.hostserv.co.za`
		A	41.185.250.80^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.185.250.90^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.185.250.100^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter10.hostserv.co.za`
MX	`1-grid-mx02.com` ⭐
		A	41.185.249.20^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.185.249.30^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.185.249.50^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.185.249.60^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.185.249.70^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter07.hostserv.co.za`
		A	41.185.249.80^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.185.249.90^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.185.249.100^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter10.hostserv.co.za`
MX	`1-grid-mx03.co.za` ⭐
		A	41.61.250.20^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.61.250.30^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.61.250.50^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.61.250.60^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.61.250.80^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.61.250.90^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.61.250.100^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter10.hostserv.co.za`
MX	`1-grid-mx04.com` ⭐
		A	41.61.249.20^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter02.hostserv.co.za`
		A	41.61.249.30^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter03.hostserv.co.za`
		A	41.61.249.50^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter05.hostserv.co.za`
		A	41.61.249.60^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter06.hostserv.co.za`
		A	41.61.249.70^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter07.hostserv.co.za`
		A	41.61.249.80^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter08.hostserv.co.za`
		A	41.61.249.90^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter09.hostserv.co.za`
		A	41.61.249.100^{🇿🇦 WA-AS}
			PTR	`spamtitan-filter10.hostserv.co.za`
TXT	`v=spf1 +a +mx +ip4:41.185.8.153 include:relay.mailchannels.net ~all`
SOA	`linus.ns.1-grid.co.uk`hostmaster@mainsu.com 2025-12-17 #1

`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=1770918430

Up

autodiscover.mainsu.com

Same first word

mainsu.com

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DNS History

14 records (9 active, 5 former)

●NSlinus.ns.1-grid.co.uk2026-02-14 → 2026-02-14 · 3 obs

○ 2020-04-12 17:27:28
● 2026-02-14 21:19:22
● 2026-02-14 21:19:24

●NSlinus.ns.1-grid.co.za2026-02-14 → 2026-02-14 · 3 obs

○ 2020-04-12 17:27:28
● 2026-02-14 21:19:22
● 2026-02-14 21:19:24

●NSlinus.ns.1-grid.com2026-02-14 → 2026-02-14 · 3 obs

○ 2020-04-12 17:27:28
● 2026-02-14 21:19:22
● 2026-02-14 21:19:24

●NSlinus.ns.1-grid.net2026-02-14 → 2026-02-14 · 3 obs

○ 2020-04-12 17:27:28
● 2026-02-14 21:19:22
● 2026-02-14 21:19:24

○NSns1.hostserv.co.za2016-07-07 → 2020-04-12 · 4 obs

● 2016-07-07 02:04:06
● 2020-04-12 17:27:28
○ 2026-02-14 21:19:22
○ 2026-02-14 21:19:24

○NSns2.hostserv.co.za2016-07-07 → 2020-04-12 · 4 obs

● 2016-07-07 02:04:06
● 2020-04-12 17:27:28
○ 2026-02-14 21:19:22
○ 2026-02-14 21:19:24

●MX1-grid-mx01.co.za2020-04-12 → 2026-02-14 · 3 obs

○ 2017-04-09 11:15:26
● 2020-04-12 17:27:28
● 2026-02-14 21:19:24

●MX1-grid-mx02.com2020-04-12 → 2026-02-14 · 3 obs

○ 2017-04-09 11:15:26
● 2020-04-12 17:27:28
● 2026-02-14 21:19:24

●MX1-grid-mx03.co.za2020-04-12 → 2026-02-14 · 3 obs

○ 2017-04-09 11:15:26
● 2020-04-12 17:27:28
● 2026-02-14 21:19:24

●MX1-grid-mx04.com2020-04-12 → 2026-02-14 · 3 obs

○ 2017-04-09 11:15:26
● 2020-04-12 17:27:28
● 2026-02-14 21:19:24

○MXfw1a.mainsu.com2016-07-07 → 2017-04-09 · 4 obs

● 2016-07-07 02:04:06
● 2017-04-09 11:15:26
○ 2020-04-12 17:27:28
○ 2026-02-14 21:19:24

○MXfw2a.mainsu.com2016-07-07 → 2017-04-09 · 4 obs

● 2016-07-07 02:04:06
● 2017-04-09 11:15:26
○ 2020-04-12 17:27:28
○ 2026-02-14 21:19:24

○A41.185.8.1012016-07-07 → 2020-04-12 · 4 obs

● 2016-07-07 02:04:06
● 2020-04-12 17:27:28
○ 2026-02-14 21:19:22
○ 2026-02-14 21:19:24

●A41.185.8.1532026-02-14 → 2026-02-14 · 3 obs

○ 2020-04-12 17:27:28
● 2026-02-14 21:19:22
● 2026-02-14 21:19:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mainsu.com	linus.ns.1-grid.com, linus.ns.1-grid.net, linus.ns.1-grid.co.uk, linus.ns.1-grid.co.za	-

✅ 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 mainsu.com (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`41.185.8.153`
NS	4	`linus.ns.1-grid.com, linus.ns.1-grid.co.uk...`
MX	4	`1-grid-mx04.com (pri: 5), 1-grid-mx01.co.za (pri: 5)...`
TXT	1	`v=spf1 +a +mx +ip4:41.185.8.153 include:`
SOA	1	`linus.ns.1-grid.co.uk hostmaster.mainsu.`

AI analysis

The parent of autodiscover.mainsu.com is mainsu.com.

mainsu.com points to IP number: 41.185.8.153.

Other host names such as alleadenergy.com, massagethai.co.za, autodiscover.mainsu.com, mulberricreative.com and mail.andrica.net share IPs with mainsu.com.

mainsu.com is delegated to 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.

mainsu.com at least partially shares name servers with other domains, for instance anniesangels.co.za, mbtgroup.co.za, aora.co.za, roastinrecords.com and xergy.co.za.

These name servers are commonly used together with cdns1.cpt.wa.co.za, cdns2.cpt.wa.co.za and ns1.jcwdns.biz.

Host names with a single IP address:

linus.ns.1-grid.com maps to 41.185.8.21

linus.ns.1-grid.net maps to 41.185.8.22

linus.ns.1-grid.co.uk maps to 41.185.8.21

linus.ns.1-grid.co.za maps to 41.185.8.22

Host names mapping to 41.185.8.21: linus.ns.1-grid.com and linus.ns.1-grid.co.uk

Host names mapping to 41.185.8.22: linus.ns.1-grid.net and linus.ns.1-grid.co.za

Four mail servers handle mainsu.com: 1-grid-mx02.com, 1-grid-mx04.com, 1-grid-mx01.co.za and 1-grid-mx03.co.za.

mainsu.com shares at least partially some mail servers with other domains, including taurnimock.com, justeasyrecipes.co.za, kitheathcock.co.za, oversurance.com and kathleenbarry.co.za.

Eight IP numbers:

1-grid-mx02.com points to: 41.185.249.20, 41.185.249.30, 41.185.249.50, 41.185.249.60, 41.185.249.70, 41.185.249.80, 41.185.249.90 and 41.185.249.100.

1-grid-mx04.com points to: 41.61.249.20, 41.61.249.30, 41.61.249.50, 41.61.249.60, 41.61.249.70, 41.61.249.80, 41.61.249.90 and 41.61.249.100.

1-grid-mx01.co.za points to: 41.185.250.20, 41.185.250.30, 41.185.250.50, 41.185.250.60, 41.185.250.70, 41.185.250.80, 41.185.250.90 and 41.185.250.100.

Seven IP numbers:

1-grid-mx03.co.za points to: 41.61.250.20, 41.61.250.30, 41.61.250.50, 41.61.250.60, 41.61.250.80, 41.61.250.90 and 41.61.250.100.