`christopher-j-walker.com`

DNSSEC	⚠️ Not signed
A	87.127.175.162^{🇬🇧 ENTANET87.127.0.0/16 International Ltd}
		PTR	`87-127-175-162.static.enta.net`
NS	`ns1.tecsec.co.uk` ⭐
		A	20.90.89.68^{🇬🇧 Microsoft20.64.0.0/10}
NS	`ns2.tecsec.co.uk`
		A	87.127.175.162^{🇬🇧 ENTANET87.127.0.0/16 International Ltd}
			PTR	`87-127-175-162.static.enta.net`
MX	`mail.christopher-j-walker.com` ⭐
		A	87.127.175.162^{🇬🇧 ENTANET87.127.0.0/16 International Ltd}
			PTR	`87-127-175-162.static.enta.net`
TXT	`v=spf1 a mx ip4:87.127.175.162 -all`
SOA	`ns1.tecsec.co.uk`root@ns1.tecsec.co.uk 2025-03-12 #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=1774889377

Subdomains

mail.christopher-j-walker.com

Same first word

christopher-j-walker.com

DNS History

11 records (4 active, 7 former)

○NSns1.layer3data.com2008-03-16 → 2018-08-12 · 7 obs

● 2008-03-16 10:31:04
○ 2015-06-23 20:10:08
○ 2015-11-06 17:01:56
● 2016-02-01 11:03:34
● 2018-08-12 05:42:24
○ 2026-03-11 03:16:26
○ 2026-03-30 17:07:36

●NSns1.tecsec.co.uk2026-03-11 → 2026-03-30 · 3 obs

○ 2018-08-12 05:42:24
● 2026-03-11 03:16:26
● 2026-03-30 17:07:36

○NSns2.layer3data.com2008-03-16 → 2018-08-12 · 7 obs

● 2008-03-16 10:31:04
○ 2015-06-23 20:10:08
○ 2015-11-06 17:01:56
● 2016-02-01 11:03:34
● 2018-08-12 05:42:24
○ 2026-03-11 03:16:26
○ 2026-03-30 17:07:36

●NSns2.tecsec.co.uk2026-03-11 → 2026-03-30 · 3 obs

○ 2018-08-12 05:42:24
● 2026-03-11 03:16:26
● 2026-03-30 17:07:36

○NSns3.layer3data.com2015-06-23 → 2015-11-06 · 5 obs

○ 2008-03-16 10:31:04
● 2015-06-23 20:10:08
● 2015-11-06 17:01:56
○ 2016-02-01 11:03:34
○ 2026-03-30 17:07:36

○NSns4.layer3data.com2015-06-23 → 2015-11-06 · 5 obs

○ 2008-03-16 10:31:04
● 2015-06-23 20:10:08
● 2015-11-06 17:01:56
○ 2016-02-01 11:03:34
○ 2026-03-30 17:07:36

●MXmail.christopher-j-walker.com2008-03-16 → 2026-03-30 · 2 obs

● 2008-03-16 10:31:04
● 2026-03-30 17:07:36

○A213.171.204.1052016-02-01 → 2018-08-12 · 5 obs

○ 2015-11-06 17:01:56
● 2016-02-01 11:03:34
● 2018-08-12 05:42:24
○ 2026-03-11 03:16:26
○ 2026-03-30 17:07:36

○A77.68.41.912015-06-23 → 2015-11-06 · 5 obs

○ 2008-03-16 10:31:04
● 2015-06-23 20:10:08
● 2015-11-06 17:01:56
○ 2016-02-01 11:03:34
○ 2026-03-30 17:07:36

●A87.127.175.1622026-03-11 → 2026-03-30 · 3 obs

○ 2018-08-12 05:42:24
● 2026-03-11 03:16:26
● 2026-03-30 17:07:36

○A88.208.230.1222008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 10:31:04
○ 2015-06-23 20:10:08
○ 2026-03-30 17:07:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
christopher-j-walker.com	ns1.tecsec.co.uk, ns2.tecsec.co.uk	-

✅ Authoritative Response

Server:20.90.89.68

NS records: ns1.tecsec.co.uk, ns2.tecsec.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for christopher-j-walker.com (unsigned zone)

⏱️ Timing

Total: 475ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.127.175.162`
NS	2	`ns2.tecsec.co.uk, ns1.tecsec.co.uk`
MX	1	`mail.christopher-j-walker.com (pri: 5)`
TXT	1	`v=spf1 a mx ip4:87.127.175.162 -all`
SOA	1	`ns1.tecsec.co.uk root.ns1.tecsec.co.uk`

Analysis

Hierarchy

The parent of mail.christopher-j-walker.com is christopher-j-walker.com.

IP Addresses

christopher-j-walker.com points to a single IP: 87.127.175.162.

Other host names, for instance backup4business.com, www.layer3data.com, syntax.tecsec.co.uk, davidhallamltd.co.uk and ns2.tecsec.co.uk share IP numbers with christopher-j-walker.com.

Name Servers

Two name servers ns1.tecsec.co.uk and ns2.tecsec.co.uk handle delegation for christopher-j-walker.com.

christopher-j-walker.com uses the same name server setup as other domains, for example backup4business.com, sheffieldclub.co.uk, peakoil.co.uk, foerscontracts.co.uk and emmadrohan.com.

christopher-j-walker.com shares name servers with other domains at least in part, for instance layer3data.com.

Host names with one IP number: The host name ns1.tecsec.co.uk points to 20.90.89.68 and the host name ns2.tecsec.co.uk points to 87.127.175.162.

Mail Servers

christopher-j-walker.com is handled by a single mail server, mail.christopher-j-walker.com.

mail.christopher-j-walker.com points to a single IP: 87.127.175.162.

christopher-j-walker.com - robtex.com