`columnflash.co.uk`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2f29^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9070^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.41^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.112^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ezra.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c0f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ezra.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ezra.ns.cloudflare.com`
		A	108.162.195.15^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
		A	162.159.44.15^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
		A	172.64.35.15^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ezra.ns.cloudflare.com`
NS	`isabel.ns.cloudflare.com`
		A	2606:4700:50::a29f:2668^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c268^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2268^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isabel.ns.cloudflare.com`
		A	108.162.194.104^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	162.159.38.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	172.64.34.104^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.41, 172.67.144.112
		IPv6 hints	2606:4700:3036::6815:2f29, 2606:4700:3037::ac43:9070
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOA	`ezra.ns.cloudflare.com`dns@cloudflare.com serial=2399603882

`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=1776311950

rank #217638 globally
rank #18644 in the tld
rank #171409 globally
rank #14159 in the tld
WOT: SAFE (74/100)

Same first word

columnflash.co.uk

DNS History

10 records (6 active, 4 former)

●NSezra.ns.cloudflare.com2026-04-11 → 2026-04-16 · 2 obs

● 2026-04-11 21:58:08
● 2026-04-16 04:28:24

●NSisabel.ns.cloudflare.com2026-04-11 → 2026-04-16 · 2 obs

● 2026-04-11 21:58:08
● 2026-04-16 04:28:24

●A104.21.47.412026-04-11 → 2026-04-16 · 5 obs

● 2026-04-11 21:58:08
○ 2026-04-12 20:35:20
○ 2026-04-13 16:22:56
● 2026-04-13 21:55:00
● 2026-04-16 04:28:24

●A172.67.144.1122026-04-11 → 2026-04-16 · 5 obs

● 2026-04-11 21:58:08
○ 2026-04-12 20:35:20
○ 2026-04-13 16:22:56
● 2026-04-13 21:55:00
● 2026-04-16 04:28:24

○A188.114.96.02026-04-12 → 2026-04-13 · 5 obs

○ 2026-04-11 21:58:08
● 2026-04-12 20:35:20
● 2026-04-13 16:22:56
○ 2026-04-13 21:55:00
○ 2026-04-16 04:28:24

○A188.114.97.02026-04-12 → 2026-04-13 · 5 obs

○ 2026-04-11 21:58:08
● 2026-04-12 20:35:20
● 2026-04-13 16:22:56
○ 2026-04-13 21:55:00
○ 2026-04-16 04:28:24

●A2606:4700:3036::6815:2f292026-04-11 → 2026-04-16 · 5 obs

● 2026-04-11 21:58:08
○ 2026-04-12 20:35:20
○ 2026-04-13 16:22:56
● 2026-04-13 21:55:00
● 2026-04-16 04:28:24

●A2606:4700:3037::ac43:90702026-04-11 → 2026-04-16 · 5 obs

● 2026-04-11 21:58:08
○ 2026-04-12 20:35:20
○ 2026-04-13 16:22:56
● 2026-04-13 21:55:00
● 2026-04-16 04:28:24

○A2a06:98c1:3120::2026-04-12 → 2026-04-13 · 5 obs

○ 2026-04-11 21:58:08
● 2026-04-12 20:35:20
● 2026-04-13 16:22:56
○ 2026-04-13 21:55:00
○ 2026-04-16 04:28:24

○A2a06:98c1:3121::2026-04-12 → 2026-04-13 · 5 obs

○ 2026-04-11 21:58:08
● 2026-04-12 20:35:20
● 2026-04-13 16:22:56
○ 2026-04-13 21:55:00
○ 2026-04-16 04:28:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
columnflash.co.uk	isabel.ns.cloudflare.com, ezra.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.104

NS records: isabel.ns.cloudflare.com, ezra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 357ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.112, 104.21.47.41`
AAAA	2	`2606:4700:3037::ac43:9070, 2606:4700:3036::6815:2f29`
NS	2	`ezra.ns.cloudflare.com, isabel.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ezra.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

columnflash.co.uk resolves to four IP numbers: 2606:4700:3036::6815:2f29, 2606:4700:3037::ac43:9070, 104.21.47.41 and 172.67.144.112.

other host names for instance www.vcbc.ca.cdn.cloudflare.net, evergreenstonehub.qpon, turbovectorbase.click, japanimal.org and touchautism.com share IP numbers with columnflash.co.uk.

Name Servers

columnflash.co.uk is delegated to two name servers: ezra.ns.cloudflare.com and isabel.ns.cloudflare.com.

columnflash.co.uk shares the same name server setup as other domains, for example arenacore.co.uk, standingrecap.co.uk, cavemancoffeecavesf.com, vistalindacatering.com and balot.co.uk.

columnflash.co.uk at least partially shares name servers with other domains, for instance lordserialp2.lat, lbb.london, premiersecured.net, accubiz.net and cdsujing.cn.

These name servers are commonly used alongside the name servers bruce.ns.cloudflare.com, thea.ns.cloudflare.com, daniella.ns.cloudflare.com, marlowe.ns.cloudflare.com and piper.ns.cloudflare.com.

Host names with six IP numbers:

ezra.ns.cloudflare.com points to: 2606:4700:58::a29f:2c0f, 2803:f800:50::6ca2:c30f, 2a06:98c1:50::ac40:230f, 108.162.195.15, 162.159.44.15 and 172.64.35.15; isabel.ns.cloudflare.com points to: 2606:4700:50::a29f:2668, 2803:f800:50::6ca2:c268, 2a06:98c1:50::ac40:2268, 108.162.194.104, 162.159.38.104 and 172.64.34.104.

columnflash.co.uk - robtex.com