`iso-koeln.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a8ae^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:571b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.27^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.174^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dale.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dale.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dale.ns.cloudflare.com`
		A	108.162.193.95^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
		A	172.64.33.95^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
		A	173.245.59.95^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
NS	`megan.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`megan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`megan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`megan.ns.cloudflare.com`
		A	108.162.192.197^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`megan.ns.cloudflare.com`
		A	172.64.32.197^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`megan.ns.cloudflare.com`
		A	173.245.58.197^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`megan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.27, 172.67.168.174
		IPv6 hints	2606:4700:3031::ac43:a8ae, 2606:4700:3037::6815:571b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOA	`dale.ns.cloudflare.com`dns@cloudflare.com serial=2400083028

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1776110749

WOT: SAFE (60/100)

Subdomains

www.iso-koeln.de

Same first word

iso-koeln.de

DNS History

26 records (6 active, 20 former)

○NSa.ns14.net2017-02-19 → 2017-02-19 · 4 obs

○ 2016-07-06 03:16:44
● 2017-02-19 18:51:26
○ 2020-01-14 01:55:06
○ 2026-04-13 20:17:08

○NSb.ns14.net2017-02-19 → 2017-02-19 · 4 obs

○ 2016-07-06 03:16:44
● 2017-02-19 18:51:26
○ 2020-01-14 01:55:06
○ 2026-04-13 20:17:08

●NSdale.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs

○ 2020-01-14 01:55:06
● 2026-04-09 06:18:12
● 2026-04-13 20:17:08

●NSmegan.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs

○ 2020-01-14 01:55:06
● 2026-04-09 06:18:12
● 2026-04-13 20:17:08

○NSns.domeinguru.nl2016-07-06 → 2016-07-06 · 4 obs

○ 2016-01-29 01:32:02
● 2016-07-06 03:16:44
○ 2017-02-19 18:51:26
○ 2026-04-13 20:17:08

○NSns.udagdns.de2015-06-14 → 2015-06-14 · 4 obs

○ 2008-11-27 23:44:18
● 2015-06-14 03:22:42
○ 2015-11-08 07:38:52
○ 2026-04-13 20:17:08

○NSns.udagdns.net2015-06-14 → 2015-06-14 · 4 obs

○ 2008-11-27 23:44:18
● 2015-06-14 03:22:42
○ 2015-11-08 07:38:52
○ 2026-04-13 20:17:08

○NSns1.domeinguru.nl2016-07-06 → 2016-07-06 · 4 obs

○ 2016-01-29 01:32:02
● 2016-07-06 03:16:44
○ 2017-02-19 18:51:26
○ 2026-04-13 20:17:08

○NSns1.parkingcrew.net2015-11-08 → 2015-11-08 · 4 obs

○ 2015-06-14 03:22:42
● 2015-11-08 07:38:52
○ 2016-01-29 01:32:02
○ 2026-04-13 20:17:08

○NSns1.sedoparking.com2016-01-29 → 2016-01-29 · 4 obs

○ 2015-11-08 07:38:52
● 2016-01-29 01:32:02
○ 2016-07-06 03:16:44
○ 2026-04-13 20:17:08

○NSns2.parkingcrew.net2015-11-08 → 2015-11-08 · 4 obs

○ 2015-06-14 03:22:42
● 2015-11-08 07:38:52
○ 2016-01-29 01:32:02
○ 2026-04-13 20:17:08

○NSns2.sedoparking.com2016-01-29 → 2016-01-29 · 4 obs

○ 2015-11-08 07:38:52
● 2016-01-29 01:32:02
○ 2016-07-06 03:16:44
○ 2026-04-13 20:17:08

○MXmail.iso-koeln.de2017-02-19 → 2017-02-19 · 4 obs

○ 2016-07-06 03:16:44
● 2017-02-19 18:51:26
○ 2020-01-14 01:55:06
○ 2026-04-13 20:17:08

○MXmail.nickstel.com2016-01-29 → 2016-01-29 · 4 obs

○ 2015-11-08 07:38:52
● 2016-01-29 01:32:02
○ 2016-07-06 03:16:44
○ 2026-04-13 20:17:08

○MXmailfilter1.webguru.nl2016-07-06 → 2016-07-06 · 4 obs

○ 2016-01-29 01:32:02
● 2016-07-06 03:16:44
○ 2017-02-19 18:51:26
○ 2026-04-13 20:17:08

○MXmx00.udag.de2015-06-14 → 2015-06-14 · 4 obs

○ 2008-11-27 23:44:18
● 2015-06-14 03:22:42
○ 2015-11-08 07:38:52
○ 2026-04-13 20:17:08

○MXmx01.udag.de2015-06-14 → 2015-06-14 · 4 obs

○ 2008-11-27 23:44:18
● 2015-06-14 03:22:42
○ 2015-11-08 07:38:52
○ 2026-04-13 20:17:08

●A104.21.87.272026-04-09 → 2026-04-13 · 3 obs

○ 2020-01-14 01:55:06
● 2026-04-09 06:18:12
● 2026-04-13 20:17:08

●A172.67.168.1742026-04-09 → 2026-04-13 · 3 obs

○ 2020-01-14 01:55:06
● 2026-04-09 06:18:12
● 2026-04-13 20:17:08

○A185.53.179.62015-11-08 → 2015-11-08 · 4 obs

○ 2015-06-14 03:22:42
● 2015-11-08 07:38:52
○ 2016-01-29 01:32:02
○ 2026-04-13 20:17:08

○A188.241.68.2212017-02-19 → 2017-02-19 · 4 obs

○ 2016-07-06 03:16:44
● 2017-02-19 18:51:26
○ 2020-01-14 01:55:06
○ 2026-04-13 20:17:08

○A213.132.197.182016-07-06 → 2016-07-06 · 4 obs

○ 2016-01-29 01:32:02
● 2016-07-06 03:16:44
○ 2017-02-19 18:51:26
○ 2026-04-13 20:17:08

●A2606:4700:3031::ac43:a8ae2026-04-09 → 2026-04-13 · 3 obs

○ 2020-01-14 01:55:06
● 2026-04-09 06:18:12
● 2026-04-13 20:17:08

●A2606:4700:3037::6815:571b2026-04-09 → 2026-04-13 · 3 obs

○ 2020-01-14 01:55:06
● 2026-04-09 06:18:12
● 2026-04-13 20:17:08

○A72.52.4.1212016-01-29 → 2016-01-29 · 4 obs

○ 2015-11-08 07:38:52
● 2016-01-29 01:32:02
○ 2016-07-06 03:16:44
○ 2026-04-13 20:17:08

○A89.31.143.92015-06-14 → 2015-06-14 · 4 obs

○ 2008-11-27 23:44:18
● 2015-06-14 03:22:42
○ 2015-11-08 07:38:52
○ 2026-04-13 20:17:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
iso-koeln.de	megan.ns.cloudflare.com, dale.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.197

NS records: megan.ns.cloudflare.com, dale.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iso-koeln.de (unsigned zone)

⏱️ Timing

Total: 859ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.174, 104.21.87.27`
AAAA	2	`2606:4700:3031::ac43:a8ae, 2606:4700:3037::6815:571b`
NS	2	`dale.ns.cloudflare.com, megan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dale.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

iso-koeln.de is a parent of www.iso-koeln.de.

IP Addresses

iso-koeln.de points to four IP numbers: 2606:4700:3031::ac43:a8ae, 2606:4700:3037::6815:571b, 104.21.87.27 and 172.67.168.174.

Other host names, for instance imoodjournal.com, rodoviariadotiete.com.br, ahlibet88am.com, shawnmaynard.com and claude.yv8w2dkgc9.workers.dev share IP numbers with iso-koeln.de.

Name Servers

Delegation for iso-koeln.de rests with two name servers, dale.ns.cloudflare.com and megan.ns.cloudflare.com.

iso-koeln.de shares the same name server setup as other domains, including rezerve.money, studd.com.au, northcoastcollective.com, arkaroy.net and gabrielyafet.com.

iso-koeln.de at least partially shares name servers with other domains, for instance 3wsi.com.br, rootlearner.com, mas-te.ru, jva.com.au and bb88cc.com.

These name servers are commonly used with chelsea.ns.cloudflare.com and becky.ns.cloudflare.com.

Host names with six IP numbers: dale.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5f, 2803:f800:50::6ca2:c15f, 2a06:98c1:50::ac40:215f, 108.162.193.95, 172.64.33.95 and 173.245.59.95. megan.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac5, 2803:f800:50::6ca2:c0c5, 2a06:98c1:50::ac40:20c5, 108.162.192.197, 172.64.32.197 and 173.245.58.197.

iso-koeln.de - robtex.com

iso-koeln.de

de

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`iso-koeln.de`

`de`