`tunnelinstructor.com`

DNSSEC	⚠️ Not signed
A	87.98.227.13^{🇪🇸 OVH87.98.128.0/17 ISP Paris, France}
		PTR	`ip13.ip-87-98-227.eu`
NS	`ns53.domaincontrol.com` ⭐
		A	2603:5:21a2::1b^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns53.domaincontrol.com`
		A	97.74.106.27^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns53.domaincontrol.com`
NS	`ns54.domaincontrol.com`
		A	2603:5:22a2::1b^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns54.domaincontrol.com`
		A	173.201.74.27^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns54.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`v=spf1 include:secureserver.net -all`
TXT	`D4779589`
TXT	`5n70g6nmrd662j90q1ar3b8l3q`
SOA	`ns53.domaincontrol.com`dns@jomax.net 2025-12-17 #0

`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=1771291435

Same first word

tunnelinstructor.org

tunnelinstructor.com

DNS History

12 records (5 active, 7 former)

○NSdns0.easily.co.uk2015-08-21 → 2017-03-25 · 3 obs

● 2015-08-21 18:32:36
● 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

○NSdns1.easily.co.uk2015-08-21 → 2017-03-25 · 3 obs

● 2015-08-21 18:32:36
● 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

●NSns53.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-25 04:14:48
● 2026-03-24 07:44:56

●NSns54.domaincontrol.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-25 04:14:48
● 2026-03-24 07:44:56

○MXeasymx2.easily.co.uk2015-08-21 → 2016-08-08 · 4 obs

● 2015-08-21 18:32:36
● 2016-08-08 17:23:20
○ 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

●MXmailstore1.secureserver.net2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-25 04:14:48
● 2026-03-24 07:44:56

○MXrhea.easily.co.uk2015-08-21 → 2016-08-08 · 4 obs

● 2015-08-21 18:32:36
● 2016-08-08 17:23:20
○ 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

●MXsmtp.secureserver.net2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-25 04:14:48
● 2026-03-24 07:44:56

○MXspam1.gbdns.net2017-03-25 → 2017-03-25 · 3 obs

○ 2016-08-08 17:23:20
● 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

○MXspam2.gbdns.net2017-03-25 → 2017-03-25 · 3 obs

○ 2016-08-08 17:23:20
● 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

○A185.50.17.1662015-08-21 → 2017-03-25 · 3 obs

● 2015-08-21 18:32:36
● 2017-03-25 04:14:48
○ 2026-03-24 07:44:56

●A87.98.227.132026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-25 04:14:48
● 2026-03-24 07:44:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tunnelinstructor.com	ns53.domaincontrol.com, ns54.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.74.27

NS records: ns53.domaincontrol.com, ns54.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tunnelinstructor.com (unsigned zone)

⏱️ Timing

Total: 100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.98.227.13`
NS	2	`ns53.domaincontrol.com, ns54.domaincontrol.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	3	`v=spf1 include:secureserver.net -all, D4779589...`
SOA	1	`ns53.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns53.domaincontrol.com, ns53.domaincontrol.com, ns54.domaincontrol.com...)

Analysis

IP Addresses

tunnelinstructor.com points to a single IP number: 87.98.227.13.

other host names for instance mail.inxenio.com.es, 87-98-227-13.ovh.net, inxenio.com.es, s1.inxenio.com.es and entextextil.com share IP numbers with tunnelinstructor.com.

Name Servers

tunnelinstructor.com is delegated to two name servers: ns53.domaincontrol.com and ns54.domaincontrol.com.

tunnelinstructor.com shares the same name server setup as other domains, for example pilotmal.com, contrasentido.com.mx, nictf.com, mega-itc.com and spiritconnectorgame.com.

Host names with two IP numbers:

ns53.domaincontrol.com points to 2603:5:21a2::1b and 97.74.106.27

ns54.domaincontrol.com points to 2603:5:22a2::1b and 173.201.74.27

Mail Servers

tunnelinstructor.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

tunnelinstructor.com shares the same mail server setup as other domains, for instance theretailarmoury.com, ciracon.info, greatergoodstudios.com, positronicmanufacturing.com.au and ircwork.com.

tunnelinstructor.com shares some mail servers with other domains at least partially, for example famphotory.com.

Host names with three IP numbers:

mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.

smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.

tunnelinstructor.com - robtex.com