dev-sys.co.uk - dns.ninja

`dev-sys.co.uk`

DNSSEC	⚠️ Not signed
NS	`jonah.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jonah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jonah.ns.cloudflare.com`
		A	108.162.193.186^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	172.64.33.186^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	173.245.59.186^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
NS	`val.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`val.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`val.ns.cloudflare.com`
		A	108.162.192.234^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	172.64.32.234^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
		A	173.245.58.234^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`val.ns.cloudflare.com`
MX	`mx0.tpweb.co.uk` ⭐
		A	51.77.106.163^{🇫🇷 OVH51.77.0.0/16}
			PTR	`ip163.ip-51-77-106.eu`
MX	`mx1.dev-sys.co.uk`⁽¹⁰⁾
		A	51.77.106.163^{🇫🇷 OVH51.77.0.0/16}
			PTR	`ip163.ip-51-77-106.eu`
TXT	`v=spf1 mx ip4:51.77.106.163 ip4:91.135.8.139 -all`
SOA	`jonah.ns.cloudflare.com`dns@cloudflare.com serial=2403345923

`co.uk`

	DNSSEC	⚠️ Not signed
	NS	`dns1.nic.uk` ⭐ ⚠️ Not in parent delegation
	NS	`dns2.nic.uk` ⚠️ Not in parent delegation
	NS	`dns3.nic.uk` ⚠️ Not in parent delegation
	NS	`dns4.nic.uk` ⚠️ Not in parent delegation
	NS	`nsa.nic.uk` ⚠️ Not in parent delegation
	NS	`nsb.nic.uk` ⚠️ Not in parent delegation
	NS	`nsc.nic.uk` ⚠️ Not in parent delegation
	NS	`nsd.nic.uk` ⚠️ Not in parent delegation
	SOA	`dns1.nic.uk`hostmaster@nominet.org.uk serial=1782124688

rank #128941 globally
rank #3186 in the tld
WOT: SAFE (74/100)

Subdomains

mx1.dev-sys.co.uk

mx0.dev-sys.co.uk

Same first word

dev-sys.com

dev-sys.co.uk

dev-sys.ru

Similar names

edv-sys.com

sys-dev.de

sys-dev.com

sys-dev.cat

DNS History

7 records (4 active, 3 former)

●NSjonah.ns.cloudflare.com2026-02-15 → 2026-06-22 · 3 obs

○ 2020-03-21 07:57:34
● 2026-02-15 13:50:02
● 2026-06-22 11:00:42

○NSns35.domaincontrol.com2020-03-21 → 2020-03-21 · 3 obs

● 2020-03-21 07:57:34
○ 2026-02-15 13:50:02
○ 2026-06-22 11:00:42

○NSns36.domaincontrol.com2020-03-21 → 2020-03-21 · 3 obs

● 2020-03-21 07:57:34
○ 2026-02-15 13:50:02
○ 2026-06-22 11:00:42

●NSval.ns.cloudflare.com2026-02-15 → 2026-06-22 · 3 obs

○ 2020-03-21 07:57:34
● 2026-02-15 13:50:02
● 2026-06-22 11:00:42

○MXmx0.dev-sys.co.uk2020-03-21 → 2020-03-21 · 3 obs

● 2020-03-21 07:57:34
○ 2026-02-15 13:50:02
○ 2026-06-22 11:00:42

●MXmx0.tpweb.co.uk2026-02-15 → 2026-06-22 · 3 obs

○ 2020-03-21 07:57:34
● 2026-02-15 13:50:02
● 2026-06-22 11:00:42

●MXmx1.dev-sys.co.uk2020-03-21 → 2026-06-22 · 2 obs

● 2020-03-21 07:57:34
● 2026-06-22 11:00:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
dev-sys.co.uk	val.ns.cloudflare.com, jonah.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.234

NS records: val.ns.cloudflare.com, jonah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev-sys.co.uk (unsigned zone)

⏱️ Timing

Total: 352ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`jonah.ns.cloudflare.com, val.ns.cloudflare.com`
MX	2	`mx0.tpweb.co.uk (pri: 0), mx1.dev-sys.co.uk (pri: 10)`
TXT	1	`v=spf1 mx ip4:51.77.106.163 ip4:91.135.8`
SOA	1	`jonah.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

mx1.dev-sys.co.uk and mx0.dev-sys.co.uk are both subdomains of dev-sys.co.uk.

Name Servers

dev-sys.co.uk is served by two delegated name servers, jonah.ns.cloudflare.com and val.ns.cloudflare.com.

dev-sys.co.uk uses the same name servers as several other domains — among them iccsweb.com, concert.photos, riaalawsuit.com and two more.

dev-sys.co.uk shares at least some of its name servers with other domains, including th316g.top, tip-ot.com, roastologycoffee.com and two others.

These name servers are frequently seen alongside the name servers veronica.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jonah.ns.cloudflare.com carries IP addresses 108.162.193.186, 172.64.33.186 and 173.245.59.186, with 3 other addresses beyond those.

val.ns.cloudflare.com carries IP addresses 108.162.192.234, 172.64.32.234 and 173.245.58.234, with 3 other addresses beyond those.

Mail Servers

Mail for dev-sys.co.uk is handled by two mail servers — mx1.dev-sys.co.uk and mx0.tpweb.co.uk.

dev-sys.co.uk shares at least some of its mail servers with other domains, such as tpweb.co.uk.

mx1.dev-sys.co.uk and mx0.tpweb.co.uk share one IP address between them — 51.77.106.163.

These two host names — mx1.dev-sys.co.uk and mx0.tpweb.co.uk — each point to 51.77.106.163 IP addresses.