`mrmarksclassroom.net`

DNSSEC	⚠️ Not signed
A	143.95.236.74^{🇺🇸 EIGI143.95.224.0/19 NF DALLAS Route Object}
		PTR	`ip-143-95-236-74.iplocal`
NS	`ns1.webserversystems.com` ⭐ ⚠️ Not in zone NS records
		A	162.214.130.211^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-214-130-211.unifiedlayer.com`
NS	`ns2.webserversystems.com` ⚠️ Not in zone NS records
		A	162.214.129.91^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-214-129-91.unifiedlayer.com`
MX	`mail.mrmarksclassroom.net` ⭐
		A	143.95.236.74^{🇺🇸 EIGI143.95.224.0/19 NF DALLAS Route Object}
			PTR	`ip-143-95-236-74.iplocal`
TXT	`v=spf1 ip4:143.95.159.4 a mx include:websitewelcome.com ~all`
SOA	`ns1.webserversystems.com`root@rcentral526.webserversystems.com 2022-12-20 #0

`net`

	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=1775077712

Previously MX for

mrmarksclassroom.net

Same first word

mrmarksclassroom.net

mrmarksclassroom.com

DNS History

10 records (4 active, 6 former)

○NSns1.rgbhosting.com2015-08-20 → 2016-03-17 · 4 obs

● 2015-08-20 18:48:32
● 2016-03-17 19:28:54
○ 2016-07-13 05:20:32
○ 2026-04-01 21:33:24

●NSns1.webserversystems.com2016-07-13 → 2026-04-01 · 3 obs

○ 2016-03-17 19:28:54
● 2016-07-13 05:20:32
● 2026-04-01 21:33:24

○NSns2.rgbhosting.com2015-08-20 → 2016-03-17 · 4 obs

● 2015-08-20 18:48:32
● 2016-03-17 19:28:54
○ 2016-07-13 05:20:32
○ 2026-04-01 21:33:24

●NSns2.webserversystems.com2016-07-13 → 2026-04-01 · 3 obs

○ 2016-03-17 19:28:54
● 2016-07-13 05:20:32
● 2026-04-01 21:33:24

●MXmail.mrmarksclassroom.net2026-04-01 → 2026-04-01 · 2 obs

○ 2026-03-30 06:32:08
● 2026-04-01 21:33:24

○MXmrmarksclassroom.net2015-08-20 → 2017-03-18 · 4 obs

● 2015-08-20 18:48:32
● 2017-03-18 18:00:54
○ 2026-03-30 06:32:08
○ 2026-04-01 21:33:24

○A143.95.228.1082016-07-13 → 2017-03-18 · 5 obs

○ 2016-03-17 19:28:54
● 2016-07-13 05:20:32
● 2017-03-18 18:00:54
○ 2026-03-30 06:32:08
○ 2026-04-01 21:33:24

●A143.95.236.742026-03-30 → 2026-04-01 · 3 obs

○ 2017-03-18 18:00:54
● 2026-03-30 06:32:08
● 2026-04-01 21:33:24

○A205.251.129.262015-12-12 → 2016-03-17 · 5 obs

○ 2015-08-20 18:48:32
● 2015-12-12 18:54:52
● 2016-03-17 19:28:54
○ 2016-07-13 05:20:32
○ 2026-04-01 21:33:24

○A205.251.134.992015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 18:48:32
○ 2015-12-12 18:54:52
○ 2026-04-01 21:33:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mrmarksclassroom.net	ns2.webserversystems.com, ns1.webserversystems.com	-

✅ Authoritative Response

Server:162.214.129.91

NS records: ns2.webserversystems.com, ns1.webserversystems.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrmarksclassroom.net (unsigned zone)

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`mail.mrmarksclassroom.net (pri: 0)`
TXT	1	`v=spf1 ip4:143.95.159.4 a mx include:web`
SOA	1	`ns1.webserversystems.com root.rcentral52`

Analysis

IP Addresses

mrmarksclassroom.net points to a single IP number: 143.95.236.74.

other host names for instance mail.fandjca.net, mail.naugra.org, poweredbyintuition.org, mail.aanrp.org and mail.capitolcomputersantafe.net share IP numbers with mrmarksclassroom.net.

Name Servers

mrmarksclassroom.net is delegated to two name servers: ns1.webserversystems.com and ns2.webserversystems.com.

mrmarksclassroom.net shares the same name server setup as other domains, for example ritter-sport-chocolate.com, hospitalfurnitureexporters.com, cruisinwithcaptainds.com, evda-uk.org and xarmhotels.com.

mrmarksclassroom.net at least partially shares name servers with other domains, for instance weddingbandsinsydney.com.au, jeswholesale.com, baseeet.com, majdalawieh.com and (0x736578)andjets.com.

these name servers are commonly used with ns1.site5.com, ns2.site5.com, ns3.startindex.com, ns4.startindex.com, ns1.trinihosts.com and ns2.trinihosts.com.

Host names with one IP number:

The host ns1.webserversystems.com points to 162.214.130.211 and the host ns2.webserversystems.com points to 162.214.129.91.

Mail Servers

mrmarksclassroom.net is handled by a single mail server, mail.mrmarksclassroom.net.

Host name mail.mrmarksclassroom.net points to IP address 143.95.236.74.

mrmarksclassroom.net - robtex.com