`theflashback.co.uk`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3033::6815:32d2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a771^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.210^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.113^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dakota.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dakota.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dakota.ns.cloudflare.com`
		A	108.162.195.79^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
		A	162.159.44.79^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
		A	172.64.35.79^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dakota.ns.cloudflare.com`
NS	`ophelia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ophelia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ophelia.ns.cloudflare.com`
		A	108.162.194.248^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	162.159.38.248^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	172.64.34.248^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
MX	`theflashback-co-uk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`MS=ms61632533`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.50.210, 172.67.167.113
		IPv6	2606:4700:3033::6815:32d2, 2606:4700:3035::ac43:a771
SOA	`dakota.ns.cloudflare.com`dns@cloudflare.com serial=2399174446

`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=1774683890

🔒 HSTS Preload (+subdomains)
rank #171685 globally
rank #13470 in the tld
WOT: SAFE (74/100)

Same first word

theflashback.co.uk

DNS History

9 records (7 active, 2 former)

●NSdakota.ns.cloudflare.com2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 16:25:36
● 2026-03-28 08:02:38

●NSophelia.ns.cloudflare.com2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 16:25:36
● 2026-03-28 08:02:38

●MXtheflashback-co-uk.mail.protection.outlook.com2026-02-17 → 2026-03-28 · 2 obs

● 2026-02-17 16:25:36
● 2026-03-28 08:02:38

●A104.21.50.2102026-02-17 → 2026-03-28 · 5 obs

● 2026-02-17 16:25:36
● 2026-03-10 15:31:30
○ 2026-03-18 14:42:46
● 2026-03-18 16:14:48
● 2026-03-28 08:02:38

○A172.64.80.12026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-10 15:31:30
● 2026-03-18 14:42:46
○ 2026-03-18 16:14:48
○ 2026-03-28 08:02:38

●A172.67.167.1132026-02-17 → 2026-03-28 · 5 obs

● 2026-02-17 16:25:36
● 2026-03-10 15:31:30
○ 2026-03-18 14:42:46
● 2026-03-18 16:14:48
● 2026-03-28 08:02:38

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-10 15:31:30
● 2026-03-18 14:42:46
○ 2026-03-18 16:14:48
○ 2026-03-28 08:02:38

●A2606:4700:3033::6815:32d22026-02-17 → 2026-03-28 · 5 obs

● 2026-02-17 16:25:36
● 2026-03-10 15:31:30
○ 2026-03-18 14:42:46
● 2026-03-18 16:14:48
● 2026-03-28 08:02:38

●A2606:4700:3035::ac43:a7712026-02-17 → 2026-03-28 · 5 obs

● 2026-02-17 16:25:36
● 2026-03-10 15:31:30
○ 2026-03-18 14:42:46
● 2026-03-18 16:14:48
● 2026-03-28 08:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
theflashback.co.uk	dakota.ns.cloudflare.com, ophelia.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.248

NS records: dakota.ns.cloudflare.com, ophelia.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 615ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.210, 172.67.167.113`
AAAA	2	`2606:4700:3035::ac43:a771, 2606:4700:3033::6815:32d2`
NS	2	`dakota.ns.cloudflare.com, ophelia.ns.cloudflare.com`
MX	1	`theflashback-co-uk.mail.protection.outlo`
TXT	2	`MS=ms61632533, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dakota.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

theflashback.co.uk maps to four IP numbers: 2606:4700:3033::6815:32d2, 2606:4700:3035::ac43:a771, 104.21.50.210 and 172.67.167.113.

Other host names, for instance technicalmasterminds.org, sql-server.net, taita-taveta.com, matnas-amishav.co.il and fridasmexican.com share IP numbers with theflashback.co.uk.

Name Servers

Two name servers dakota.ns.cloudflare.com and ophelia.ns.cloudflare.com are delegated to theflashback.co.uk.

theflashback.co.uk uses the same name server configuration as other domains, such as buyshine.com, alkue.com, rmader.com.br, jeffcofire.com and brsvcs.in.

theflashback.co.uk at least partially shares name servers with other domains such as tianransha.com, b2biogen.com, bonpreu.com, xn--80ah4bfccj.xn--p1ai and zhaiquanwang123.com.

These name servers are commonly used alongside nadia.ns.cloudflare.com, tricia.ns.cloudflare.com and javier.ns.cloudflare.com.

Host names with six IP numbers: Host name dakota.ns.cloudflare.com points to 2606:4700:58::a29f:2c4f, 2803:f800:50::6ca2:c34f, 2a06:98c1:50::ac40:234f, 108.162.195.79, 162.159.44.79 and 172.64.35.79; host name ophelia.ns.cloudflare.com points to 2606:4700:50::a29f:26f8, 2803:f800:50::6ca2:c2f8, 2a06:98c1:50::ac40:22f8, 108.162.194.248, 162.159.38.248 and 172.64.34.248.

Mail Servers

theflashback.co.uk is handled by a single mail server, theflashback-co-uk.mail.protection.outlook.com.

theflashback-co-uk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::d, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::1, 52.101.68.8, 52.101.68.36, 52.101.68.39 and 52.101.73.12.

theflashback.co.uk - robtex.com