`tertiary-mx.net`

DNSSEC	⚠️ Not signed
A	149.107.107.60^{🇺🇸 its-tg149.107.96.0/19 Route Registered for Cogent Communications Customer - ITS Technology Group Limited}
		PTR	`tertiary-mx.net`
NS	`primary-dns.co.uk` ⭐
		A	2001:8b0:0:30::51bb:1e29^{🇬🇧 AS207122001:8b0::/48}
			PTR	`a-nameless.aa.net.uk`
		A	194.4.174.1^{🇬🇧 AS20712194.4.172.0/22 AAISP}
			PTR	`primary-dns.co.uk`
NS	`secondary-dns.co.uk`
		A	2001:8b0:0:81::51bb:5120^{🇬🇧 AS207122001:8b0::/48}
			PTR	`0.2.1.5.b.b.1.5.0.0.0.0.0.0.0.0.1.8.0.0.0.0.0.0.0.b.8.0.1.0.0.2.ip6.arpa`
		A	194.4.173.1^{🇬🇧 AS20712194.4.172.0/22 AAISP}
			PTR	`1.173.4.194.in-addr.arpa`
SOA	`primary-dns.co.uk`hostmaster@tertiary-mx.net 2025-09-16 #1

`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=1778661266

PTR for

60.107.107.149.in-addr.arpa

29.29.170.141.in-addr.arpa

MX for

adeptcomputers.co.uk

calders.org.uk

citispace.co.uk

sandrafielding.com

caldercon.uk

rsbc.co.uk

onleadership.co.uk

caldercon.co.uk

beinclusive.co.uk

jjmurray.co.uk

Previously MX for

Same first word

tertiary-mx.uk

tertiary-mx.net

tertiary-mx.co.uk

DNS History

6 records (3 active, 3 former)

●NSprimary-dns.co.uk2008-07-31 → 2026-05-13 · 2 obs

● 2008-07-31 13:56:16
● 2026-05-13 08:44:46

●NSsecondary-dns.co.uk2008-07-31 → 2026-05-13 · 2 obs

● 2008-07-31 13:56:16
● 2026-05-13 08:44:46

○A141.170.29.292016-06-22 → 2017-01-06 · 5 obs

○ 2016-02-11 02:43:10
● 2016-06-22 04:51:10
● 2017-01-06 21:14:40
○ 2026-02-26 19:37:46
○ 2026-05-13 08:44:46

●A149.107.107.602026-02-26 → 2026-05-13 · 3 obs

○ 2017-01-06 21:14:40
● 2026-02-26 19:37:46
● 2026-05-13 08:44:46

○A185.7.151.302015-07-13 → 2016-02-11 · 5 obs

○ 2008-07-31 13:56:16
● 2015-07-13 17:35:36
● 2016-02-11 02:43:10
○ 2016-06-22 04:51:10
○ 2026-05-13 08:44:46

○A81.187.187.432008-07-31 → 2008-07-31 · 3 obs

● 2008-07-31 13:56:16
○ 2015-07-13 17:35:36
○ 2026-05-13 08:44:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tertiary-mx.net	secondary-dns.co.uk, primary-dns.co.uk	-

✅ Authoritative Response

Server:194.4.173.1

NS records: secondary-dns.co.uk, primary-dns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tertiary-mx.net (unsigned zone)

⏱️ Timing

Total: 1707ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.107.107.60`
NS	2	`primary-dns.co.uk, secondary-dns.co.uk`
SOA	1	`primary-dns.co.uk hostmaster.tertiary-mx`

Analysis

Mail Server Role

tertiary-mx.net serves as a mail server for adeptcomputers.co.uk, calders.org.uk, citispace.co.uk, sandrafielding.com, caldercon.uk and several other domains.

primary-mx.net, secondary-mx.net and sandrafielding-com.mail.protection.outlook.com are commonly used as mail servers together with tertiary-mx.net.

IP Addresses

tertiary-mx.net resolves to a single IP address: 149.107.107.60.

Name Servers

tertiary-mx.net's delegation uses two name servers, primary-dns.co.uk and secondary-dns.co.uk.

tertiary-mx.net shares the same name server setup as other domains, for example 77.org.uk, cfa-archaeology.co.uk, chessinteriors.com, gingerbeer.co.uk and futurehorizons.com.

tertiary-mx.net at least partially shares name servers with other domains, including planetpern.org, 0-3.8.187.81.in-addr.arpa, thebespokepixel.net, mitev.net and f.4.1.0.0.b.8.0.1.0.0.2.ip6.arpa.

These name servers are often used together with highport.altrion.org.

Host names with two IPs:

primary-dns.co.uk points to: 2001:8b0:0:30::51bb:1e29 and 194.4.174.1

secondary-dns.co.uk points to: 2001:8b0:0:81::51bb:5120 and 194.4.173.1

tertiary-mx.net - robtex.com

tertiary-mx.net

net