`sisoftware.co.uk`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:6d4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8749^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.212^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.73^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`evelyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`evelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`evelyn.ns.cloudflare.com`
		A	108.162.194.213^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
		A	162.159.38.213^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
		A	172.64.34.213^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evelyn.ns.cloudflare.com`
NS	`tony.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tony.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tony.ns.cloudflare.com`
		A	108.162.193.240^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	172.64.33.240^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	173.245.59.240^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf.kundenserver.de ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.6.212, 172.67.135.73
		IPv6	2606:4700:3030::6815:6d4, 2606:4700:3033::ac43:8749
SOA	`evelyn.ns.cloudflare.com`dns@cloudflare.com serial=2397139185

`co.uk`

	DNSSEC	🔒 Signed (DS record present)
	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=1771292341

rank #91217 globally
rank #3298 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (92/100)
📈 Tranco rank: #178,667
rank #160461 globally
rank #10211 in the tld
WOT: SAFE (74/100)

Up

ranker.sisoftware.co.uk

Same first word

sisoftware.eu

sisoftware.com

sisoftware.com.br

sisoftware.net

sisoftware.info

sisoftware.co.uk

sisoftware.ru

Similar names

softwaresi.com.mx

isoftwares.org

softwaresi.com

isoftwares.de

isoftwares.com

wisaforest.com

issoftware.co.jp

isoftwares.biz

DNS History

19 records (8 active, 11 former)

●NSevelyn.ns.cloudflare.com2026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

○NSns1093.ui-dns.biz2018-08-10 → 2021-03-14 · 5 obs

○ 2017-01-18 20:14:42
● 2018-08-10 06:45:32
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

○NSns1093.ui-dns.com2018-08-10 → 2021-03-14 · 5 obs

○ 2017-01-18 20:14:42
● 2018-08-10 06:45:32
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

○NSns1093.ui-dns.de2018-08-10 → 2021-03-14 · 5 obs

○ 2017-01-18 20:14:42
● 2018-08-10 06:45:32
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

○NSns1093.ui-dns.org2018-08-10 → 2021-03-14 · 5 obs

○ 2017-01-18 20:14:42
● 2018-08-10 06:45:32
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

○NSns67.1and1.co.uk2015-06-19 → 2017-01-18 · 4 obs

● 2015-06-19 01:29:34
● 2017-01-18 20:14:42
○ 2018-08-10 06:45:32
○ 2026-02-27 08:41:34

○NSns68.1and1.co.uk2015-06-19 → 2017-01-18 · 4 obs

● 2015-06-19 01:29:34
● 2017-01-18 20:14:42
○ 2018-08-10 06:45:32
○ 2026-02-27 08:41:34

●NStony.ns.cloudflare.com2026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

○MXmx00.1and1.co.uk2015-06-19 → 2021-03-14 · 4 obs

● 2015-06-19 01:29:34
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

●MXmx00.ionos.co.uk2026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

○MXmx01.1and1.co.uk2015-06-19 → 2021-03-14 · 4 obs

● 2015-06-19 01:29:34
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

●MXmx01.ionos.co.uk2026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

●A104.21.6.2122026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

●A172.67.135.732026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

○A2001:8d8:100f:f000::2382018-08-10 → 2021-03-14 · 5 obs

○ 2017-01-18 20:14:42
● 2018-08-10 06:45:32
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

○A217.160.0.712018-08-10 → 2021-03-14 · 5 obs

○ 2017-01-18 20:14:42
● 2018-08-10 06:45:32
● 2021-03-14 10:07:16
○ 2026-02-26 16:19:32
○ 2026-02-27 08:41:34

●A2606:4700:3030::6815:6d42026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

●A2606:4700:3033::ac43:87492026-02-26 → 2026-02-27 · 3 obs

○ 2021-03-14 10:07:16
● 2026-02-26 16:19:32
● 2026-02-27 08:41:34

○A87.106.59.1402015-06-19 → 2017-01-18 · 4 obs

● 2015-06-19 01:29:34
● 2017-01-18 20:14:42
○ 2018-08-10 06:45:32
○ 2026-02-27 08:41:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
sisoftware.co.uk	evelyn.ns.cloudflare.com, tony.ns.cloudflare.com	-

✅ Authoritative Response

Server: 162.159.38.213

NS records: evelyn.ns.cloudflare.com, tony.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sisoftware.co.uk (unsigned zone)

⏱️ Timing

Total: 556ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.212, 172.67.135.73`
AAAA	2	`2606:4700:3030::6815:6d4, 2606:4700:3033::ac43:8749`
NS	2	`evelyn.ns.cloudflare.com, tony.ns.cloudflare.com`
MX	2	`mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf.kundenserver.de ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`evelyn.ns.cloudflare.com dns.cloudflare.`

AI analysis

sisoftware.co.uk is the parent of ranker.sisoftware.co.uk.

Four IP numbers are pointed to by sisoftware.co.uk: 2606:4700:3030::6815:6d4, 2606:4700:3033::ac43:8749, 104.21.6.212 and 172.67.135.73.

other host names including aphantasia.com, mail.ceruleaninfotech.com, southerndestinations.com, www.vidormedia.com and explorelifestyle.com share IP numbers with sisoftware.co.uk.

sisoftware.co.uk is delegated to two name servers evelyn.ns.cloudflare.com and tony.ns.cloudflare.com.

sisoftware.co.uk shares the same name server setup as other domains, for instance imbcb.net, sisoftware.info, allstarlink.org, axenthost.com and allstarlink.net.

sisoftware.co.uk at least partially shares name servers with other domains, for instance 39542.com, campaign-data-control-hub.pages.dev, flamesbet-br.com, infocusmontana.com and jc386.com.

These name servers are commonly used alongside samara.ns.cloudflare.com and piers.ns.cloudflare.com.

Host names with six IP numbers:

Host name evelyn.ns.cloudflare.com points to: 2606:4700:50::a29f:26d5, 2803:f800:50::6ca2:c2d5, 2a06:98c1:50::ac40:22d5, 108.162.194.213, 162.159.38.213 and 172.64.34.213.

Host name tony.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf0, 2803:f800:50::6ca2:c1f0, 2a06:98c1:50::ac40:21f0, 108.162.193.240, 172.64.33.240 and 173.245.59.240.

Two mail servers handle sisoftware.co.uk: mx00.ionos.co.uk and mx01.ionos.co.uk.

sisoftware.co.uk shares the same mail server setup as other domains, for instance tastebydesign.co.uk, thermacoolservices.co.uk, bestethical.co.uk, kesdes.com and ratproof.co.uk.

Host names with one IP number:

mx00.ionos.co.uk points to 212.227.15.41

mx01.ionos.co.uk points to 217.72.192.67

sisoftware.co.uk - robtex.com

sisoftware.co.uk

co.uk

Up

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

AI analysis

`sisoftware.co.uk`

`co.uk`