`caltechservice.co.uk`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:c519^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5cb8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.92.184^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.25^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elliot.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
NS	`mimi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mimi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mimi.ns.cloudflare.com`
		A	108.162.192.203^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
		A	172.64.32.203^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
		A	173.245.58.203^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mimi.ns.cloudflare.com`
MX	`caltechservice-co-uk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf.mail.hostinger.com include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.92.184, 172.67.197.25
		IPv6 hints	2606:4700:3034::ac43:c519, 2606:4700:3037::6815:5cb8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`elliot.ns.cloudflare.com`dns@cloudflare.com serial=2406783011

`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=1785667615

rank #120357 globally
rank #3485 in the tld
WOT: SAFE (74/100)

Same first word

caltechservice.co.uk

DNS History

25 records (7 active, 18 former)

○NSdns1.stabletransit.com2015-07-24 → 2017-12-19 · 4 obs

● 2015-07-24 20:04:04
● 2017-12-19 23:38:44
○ 2026-02-20 22:57:58
○ 2026-08-02 10:58:24

○NSdns2.stabletransit.com2015-07-24 → 2017-12-19 · 4 obs

● 2015-07-24 20:04:04
● 2017-12-19 23:38:44
○ 2026-02-20 22:57:58
○ 2026-08-02 10:58:24

●NSelliot.ns.cloudflare.com2026-07-15 → 2026-08-02 · 3 obs

○ 2026-04-14 10:11:16
● 2026-07-15 04:36:06
● 2026-08-02 10:58:24

●NSmimi.ns.cloudflare.com2026-07-15 → 2026-08-02 · 3 obs

○ 2026-04-14 10:11:16
● 2026-07-15 04:36:06
● 2026-08-02 10:58:24

○NSns1.dns-parking.com2026-02-20 → 2026-04-14 · 5 obs

○ 2017-12-19 23:38:44
● 2026-02-20 22:57:58
● 2026-04-14 10:11:16
○ 2026-07-15 04:36:06
○ 2026-08-02 10:58:24

○NSns2.dns-parking.com2026-02-20 → 2026-04-14 · 5 obs

○ 2017-12-19 23:38:44
● 2026-02-20 22:57:58
● 2026-04-14 10:11:16
○ 2026-07-15 04:36:06
○ 2026-08-02 10:58:24

●MXcaltechservice-co-uk.mail.protection.outlook.com2026-02-20 → 2026-08-02 · 3 obs

○ 2017-12-19 23:38:44
● 2026-02-20 22:57:58
● 2026-08-02 10:58:24

○MXmx1.emailsrvr.com2015-07-24 → 2017-12-19 · 4 obs

● 2015-07-24 20:04:04
● 2017-12-19 23:38:44
○ 2026-02-20 22:57:58
○ 2026-08-02 10:58:24

○MXmx2.emailsrvr.com2015-07-24 → 2017-12-19 · 4 obs

● 2015-07-24 20:04:04
● 2017-12-19 23:38:44
○ 2026-02-20 22:57:58
○ 2026-08-02 10:58:24

●A104.21.92.1842026-07-15 → 2026-08-02 · 5 obs

○ 2026-04-14 10:11:16
● 2026-07-15 04:36:06
○ 2026-07-19 11:42:48
● 2026-08-02 10:58:22
● 2026-08-02 10:58:24

●A172.67.197.252026-07-15 → 2026-08-02 · 5 obs

○ 2026-04-14 10:11:16
● 2026-07-15 04:36:06
○ 2026-07-19 11:42:48
● 2026-08-02 10:58:22
● 2026-08-02 10:58:24

○A173.203.49.1362015-07-24 → 2017-12-19 · 4 obs

● 2015-07-24 20:04:04
● 2017-12-19 23:38:44
○ 2026-02-20 22:57:58
○ 2026-08-02 10:58:24

○A188.114.96.02026-07-19 → 2026-07-19 · 4 obs

○ 2026-07-15 04:36:06
● 2026-07-19 11:42:48
○ 2026-08-02 10:58:22
○ 2026-08-02 10:58:24

○A188.114.97.02026-07-19 → 2026-07-19 · 4 obs

○ 2026-07-15 04:36:06
● 2026-07-19 11:42:48
○ 2026-08-02 10:58:22
○ 2026-08-02 10:58:24

●A2606:4700:3034::ac43:c5192026-07-15 → 2026-08-02 · 5 obs

○ 2026-04-14 10:11:16
● 2026-07-15 04:36:06
○ 2026-07-19 11:42:48
● 2026-08-02 10:58:22
● 2026-08-02 10:58:24

●A2606:4700:3037::6815:5cb82026-07-15 → 2026-08-02 · 5 obs

○ 2026-04-14 10:11:16
● 2026-07-15 04:36:06
○ 2026-07-19 11:42:48
● 2026-08-02 10:58:22
● 2026-08-02 10:58:24

○A2a02:4780:4a:4791:84db:e342:f07:79a22026-03-26 → 2026-03-26 · 4 obs

○ 2026-02-20 22:57:58
● 2026-03-26 09:55:28
○ 2026-04-14 10:11:16
○ 2026-08-02 10:58:24

○A2a02:4780:4b:8c98:13ef:7e61:cf89:693b2026-03-26 → 2026-03-26 · 4 obs

○ 2026-02-20 22:57:58
● 2026-03-26 09:55:28
○ 2026-04-14 10:11:16
○ 2026-08-02 10:58:24

○A2a02:4780:4c:2792:da11:e0fc:9f45:7fbf2026-02-20 → 2026-02-20 · 4 obs

○ 2017-12-19 23:38:44
● 2026-02-20 22:57:58
○ 2026-03-26 09:55:28
○ 2026-08-02 10:58:24

○A2a02:4780:4d:d83b:fbd:950e:5159:d4002026-02-20 → 2026-02-20 · 4 obs

○ 2017-12-19 23:38:44
● 2026-02-20 22:57:58
○ 2026-03-26 09:55:28
○ 2026-08-02 10:58:24

○A2a02:4780:4f:8e45:6b23:12a6:30a0:9e2b2026-04-14 → 2026-04-14 · 4 obs

○ 2026-03-26 09:55:28
● 2026-04-14 10:11:16
○ 2026-07-15 04:36:06
○ 2026-08-02 10:58:24

○A2a02:4780:50:daa7:5914:4126:4980:c3ec2026-04-14 → 2026-04-14 · 4 obs

○ 2026-03-26 09:55:28
● 2026-04-14 10:11:16
○ 2026-07-15 04:36:06
○ 2026-08-02 10:58:24

○A2a06:98c1:3120::2026-07-19 → 2026-07-19 · 4 obs

○ 2026-07-15 04:36:06
● 2026-07-19 11:42:48
○ 2026-08-02 10:58:22
○ 2026-08-02 10:58:24

○A2a06:98c1:3121::2026-07-19 → 2026-07-19 · 4 obs

○ 2026-07-15 04:36:06
● 2026-07-19 11:42:48
○ 2026-08-02 10:58:22
○ 2026-08-02 10:58:24

○A91.108.97.242026-02-20 → 2026-04-14 · 5 obs

○ 2017-12-19 23:38:44
● 2026-02-20 22:57:58
● 2026-04-14 10:11:16
○ 2026-07-15 04:36:06
○ 2026-08-02 10:58:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsc.nic.uk, dns4.nic.uk, dns1.nic.uk, nsb.nic.uk...	-
caltechservice.co.uk	mimi.ns.cloudflare.com, elliot.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.162

NS records: mimi.ns.cloudflare.com, elliot.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 854ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.92.184, 172.67.197.25`
AAAA	2	`2606:4700:3034::ac43:c519, 2606:4700:3037::6815:5cb8`
NS	2	`elliot.ns.cloudflare.com, mimi.ns.cloudflare.com`
MX	1	`caltechservice-co-uk.mail.protection.out`
TXT	1	`v=spf1 include:_spf.mail.hostinger.com i`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elliot.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

caltechservice.co.uk points to the four IP addresses 104.21.92.184, 172.67.197.25, 2606:4700:3034::ac43:c519 and 2606:4700:3037::6815:5cb8.

hotaiwai.live, butterflyhouse.co.uk, crestledgerco.com and two other host names share IP numbers with caltechservice.co.uk.

Name Servers

caltechservice.co.uk is delegated to two name servers: elliot.ns.cloudflare.com and mimi.ns.cloudflare.com.

caltechservice.co.uk uses the same name servers as several other domains — among them thuega-energienetze.de, professordulz.workers.dev, scolasti.co and two more.

The name servers of caltechservice.co.uk overlap at least partially with those of other domains — among them indiangirl.me, gatop1.app, pafijujuhan.org and two more.

These name servers commonly co-occur with the name servers dave.ns.cloudflare.com, magnolia.ns.cloudflare.com, tori.ns.cloudflare.com and virginia.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elliot.ns.cloudflare.com resolves to 108.162.193.162, 172.64.33.162, 173.245.59.162 and 3 other IP addresses.

mimi.ns.cloudflare.com resolves to 108.162.192.203, 172.64.32.203, 173.245.58.203 and 3 other IP addresses.

Mail Servers

Mail for caltechservice.co.uk is handled by a single mail server, caltechservice-co-uk.mail.protection.outlook.com.

caltechservice-co-uk.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.89.0, 52.101.89.1, 52.101.89.2 and 5 others.

caltechservice.co.uk - robtex.com