`colognefire.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5eae^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8ad3^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.174^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.211^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
NS	`rajeev.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rajeev.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rajeev.ns.cloudflare.com`
		A	108.162.193.224^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	172.64.33.224^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
		A	173.245.59.224^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rajeev.ns.cloudflare.com`
MX	`mail.colognefire.nl` ⭐
		A	46.4.57.217^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`qview.de`
TXT	`v=spf1 ip4:46.4.57.217 ip6:2a01:4f8:140:14e8::/64 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.174, 172.67.138.211
		IPv6 hints	2606:4700:3033::6815:5eae, 2606:4700:3035::ac43:8ad3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2398787961

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-12 14:30:02 +0000 (EPOCH 1776004202)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-12 #29

Subdomains

mail.colognefire.nl

Same first word

colognefire.net

colognefire.nl

colognefire.com

Similar names

freecooling.com.ar

freecooling.eu

freecooling.ru

DNS History

21 records (7 active, 14 former)

●NSkay.ns.cloudflare.com2018-01-10 → 2026-04-12 · 3 obs

○ 2017-01-08 13:52:34
● 2018-01-10 16:45:34
● 2026-04-12 15:15:28

○NSns.inwx.de2015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 10:06:58
● 2017-01-08 13:52:34
○ 2018-01-10 16:45:34
○ 2026-04-12 15:15:28

○NSns2.inwx.de2015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 10:06:58
● 2017-01-08 13:52:34
○ 2018-01-10 16:45:34
○ 2026-04-12 15:15:28

○NSns3.inwx.eu2015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 10:06:58
● 2017-01-08 13:52:34
○ 2018-01-10 16:45:34
○ 2026-04-12 15:15:28

○NSns4.inwx.com2015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 10:06:58
● 2017-01-08 13:52:34
○ 2018-01-10 16:45:34
○ 2026-04-12 15:15:28

○NSns5.inwx.net2015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 10:06:58
● 2017-01-08 13:52:34
○ 2018-01-10 16:45:34
○ 2026-04-12 15:15:28

●NSrajeev.ns.cloudflare.com2018-01-10 → 2026-04-12 · 3 obs

○ 2017-01-08 13:52:34
● 2018-01-10 16:45:34
● 2026-04-12 15:15:28

●MXmail.colognefire.nl2015-07-15 → 2026-04-12 · 2 obs

● 2015-07-15 10:06:58
● 2026-04-12 15:15:28

●A104.21.94.1742026-04-04 → 2026-04-12 · 8 obs

○ 2018-01-10 16:45:34
● 2026-04-04 09:18:44
○ 2026-04-05 03:09:08
● 2026-04-05 04:24:28
● 2026-04-06 09:24:50
○ 2026-04-07 00:47:22
○ 2026-04-12 01:32:16
● 2026-04-12 15:15:28

○A104.31.76.1922018-01-10 → 2018-01-10 · 4 obs

○ 2017-01-08 13:52:34
● 2018-01-10 16:45:34
○ 2026-04-04 09:18:44
○ 2026-04-12 15:15:28

○A104.31.77.1922018-01-10 → 2018-01-10 · 4 obs

○ 2017-01-08 13:52:34
● 2018-01-10 16:45:34
○ 2026-04-04 09:18:44
○ 2026-04-12 15:15:28

●A172.67.138.2112026-04-04 → 2026-04-12 · 8 obs

○ 2018-01-10 16:45:34
● 2026-04-04 09:18:44
○ 2026-04-05 03:09:08
● 2026-04-05 04:24:28
● 2026-04-06 09:24:50
○ 2026-04-07 00:47:22
○ 2026-04-12 01:32:16
● 2026-04-12 15:15:28

○A188.114.96.02026-04-05 → 2026-04-12 · 7 obs

○ 2026-04-04 09:18:44
● 2026-04-05 03:09:08
○ 2026-04-05 04:24:28
○ 2026-04-06 09:24:50
● 2026-04-07 00:47:22
● 2026-04-12 01:32:16
○ 2026-04-12 15:15:28

○A188.114.97.02026-04-05 → 2026-04-12 · 7 obs

○ 2026-04-04 09:18:44
● 2026-04-05 03:09:08
○ 2026-04-05 04:24:28
○ 2026-04-06 09:24:50
● 2026-04-07 00:47:22
● 2026-04-12 01:32:16
○ 2026-04-12 15:15:28

○A2400:cb00:2048:1::681f:4cc02018-01-10 → 2018-01-10 · 4 obs

○ 2017-01-08 13:52:34
● 2018-01-10 16:45:34
○ 2026-04-04 09:18:44
○ 2026-04-12 15:15:28

○A2400:cb00:2048:1::681f:4dc02018-01-10 → 2018-01-10 · 4 obs

○ 2017-01-08 13:52:34
● 2018-01-10 16:45:34
○ 2026-04-04 09:18:44
○ 2026-04-12 15:15:28

●A2606:4700:3033::6815:5eae2026-04-04 → 2026-04-12 · 8 obs

○ 2018-01-10 16:45:34
● 2026-04-04 09:18:44
○ 2026-04-05 03:09:08
● 2026-04-05 04:24:28
● 2026-04-06 09:24:50
○ 2026-04-07 00:47:22
○ 2026-04-12 01:32:16
● 2026-04-12 15:15:28

●A2606:4700:3035::ac43:8ad32026-04-04 → 2026-04-12 · 8 obs

○ 2018-01-10 16:45:34
● 2026-04-04 09:18:44
○ 2026-04-05 03:09:08
● 2026-04-05 04:24:28
● 2026-04-06 09:24:50
○ 2026-04-07 00:47:22
○ 2026-04-12 01:32:16
● 2026-04-12 15:15:28

○A2a06:98c1:3120::2026-04-05 → 2026-04-12 · 7 obs

○ 2026-04-04 09:18:44
● 2026-04-05 03:09:08
○ 2026-04-05 04:24:28
○ 2026-04-06 09:24:50
● 2026-04-07 00:47:22
● 2026-04-12 01:32:16
○ 2026-04-12 15:15:28

○A2a06:98c1:3121::2026-04-05 → 2026-04-12 · 7 obs

○ 2026-04-04 09:18:44
● 2026-04-05 03:09:08
○ 2026-04-05 04:24:28
○ 2026-04-06 09:24:50
● 2026-04-07 00:47:22
● 2026-04-12 01:32:16
○ 2026-04-12 15:15:28

○A46.4.57.2172015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 10:06:58
● 2017-01-08 13:52:34
○ 2018-01-10 16:45:34
○ 2026-04-12 15:15:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
colognefire.nl	kay.ns.cloudflare.com, rajeev.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.224

NS records: kay.ns.cloudflare.com, rajeev.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colognefire.nl (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.211, 104.21.94.174`
AAAA	2	`2606:4700:3033::6815:5eae, 2606:4700:3035::ac43:8ad3`
NS	2	`kay.ns.cloudflare.com, rajeev.ns.cloudflare.com`
MX	1	`mail.colognefire.nl (pri: 10)`
TXT	1	`v=spf1 ip4:46.4.57.217 ip6:2a01:4f8:140:`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

mail.colognefire.nl has colognefire.nl as its parent.

IP Addresses

colognefire.nl maps to four IP numbers: 2606:4700:3033::6815:5eae, 2606:4700:3035::ac43:8ad3, 104.21.94.174 and 172.67.138.211.

Other host names, for instance mail.cclw.net, 0684562.com, edugeekads.co.uk, mozartconcerten.nl and www.twinester.com share IP numbers with colognefire.nl.

Name Servers

Two name servers kay.ns.cloudflare.com and rajeev.ns.cloudflare.com are delegated to colognefire.nl.

colognefire.nl uses the same name server configuration as other domains, such as visitwindsoressex.com, puppin.it, architecttura-inc.com, quic.club and pkshs.my.

colognefire.nl at least partially shares name servers with other domains such as phan-event.app, worldholidaytravel.com, bookmarketonline.com, csrox.org and southjerseydentistry.com.

These name servers are commonly used alongside trevor.ns.cloudflare.com, sreeni.ns.cloudflare.com and eric.ns.cloudflare.com.

Host names with six IP numbers: Host name kay.ns.cloudflare.com points to 2606:4700:50::adf5:3a7d, 2803:f800:50::6ca2:c07d, 2a06:98c1:50::ac40:207d, 108.162.192.125, 172.64.32.125 and 173.245.58.125; host name rajeev.ns.cloudflare.com points to 2606:4700:58::adf5:3be0, 2803:f800:50::6ca2:c1e0, 2a06:98c1:50::ac40:21e0, 108.162.193.224, 172.64.33.224 and 173.245.59.224.

Mail Servers

colognefire.nl is handled by a single mail server, mail.colognefire.nl.

mail.colognefire.nl points to one IP number: 46.4.57.217.

colognefire.nl - robtex.com

colognefire.nl

nl

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`colognefire.nl`

`nl`