`claasc.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:cbd1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5ab7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.183^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.209^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harley.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c380^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2380^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harley.ns.cloudflare.com`
		A	108.162.195.128^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
		A	162.159.44.128^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
		A	172.64.35.128^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harley.ns.cloudflare.com`
NS	`lia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lia.ns.cloudflare.com`
		A	108.162.192.185^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
		A	172.64.32.185^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
		A	173.245.58.185^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁹³⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`MS=ms17819844`
TXT	`apple-domain=9mkLwYEHgG55NVif`
TXT	`google-site-verification=SLdxLPozf5NFVjmnvDvR-NWeMYVwxG-tXr35VLwEdR4`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.90.183, 172.67.203.209
		IPv6	2606:4700:3034::ac43:cbd1, 2606:4700:3037::6815:5ab7
SOA	`harley.ns.cloudflare.com`dns@cloudflare.com serial=2399194244

`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=1773553752

Subdomains

ai.claasc.de

Same first word

claasc.de

Similar names

accsal.com

calacs.org

lacsac.com.pe

clasca.com

calcas.nl

clcasa.com

lacsac.com

cascal.ca

saccal.net

acscal.com

cclaas.de

accsal.nl

accsal.net

sccala.com.mx

sclaca.org

casacl.com

calsac.fr

cascal.com

clasca.jp

calcas.eu

alcsac.net

calsca.com

calcsa.info

lacsca.com

cascal.biz

calcas.com

ascalc.appspot.com

aasclc.com

calcsa.org

calacs.ca

calsca.net

clasac.com

sccala.com

alscca.net

scalac.io

casalc.com.au

cascal.de

calacs.net

cascal.fr

calcas.cn

alaccs.com

acalcs.com

scalac.pl

calsac.org

asccla.com

saccal.com

DNS History

10 records (9 active, 1 former)

●NSharley.ns.cloudflare.com2026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

●NSlia.ns.cloudflare.com2026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

●A104.21.90.1832026-02-16 → 2026-03-17 · 5 obs

● 2026-02-16 23:13:50
● 2026-02-22 00:14:22
○ 2026-02-22 02:19:18
● 2026-02-25 08:21:04
● 2026-03-17 04:06:08

○A172.64.80.12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 00:14:22
● 2026-02-22 02:19:18
○ 2026-02-25 08:21:04
○ 2026-03-17 04:06:08

●A172.67.203.2092026-02-16 → 2026-03-17 · 5 obs

● 2026-02-16 23:13:50
● 2026-02-22 00:14:22
○ 2026-02-22 02:19:18
● 2026-02-25 08:21:04
● 2026-03-17 04:06:08

●A2606:4700:3034::ac43:cbd12026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

●A2606:4700:3037::6815:5ab72026-02-16 → 2026-03-17 · 2 obs

● 2026-02-16 23:13:50
● 2026-03-17 04:06:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
claasc.de	lia.ns.cloudflare.com, harley.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.192.185

NS records: lia.ns.cloudflare.com, harley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for claasc.de (unsigned zone)

⏱️ Timing

Total: 1482ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.183, 172.67.203.209`
AAAA	1	`2606:4700:130:436c:6f75:6466:6c61:7265`
NS	2	`harley.ns.cloudflare.com, lia.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 79), route3.mx.cloudflare.net (pri: 93)...`
TXT	4	`MS=ms17819844, apple-domain=9mkLwYEHgG55NVif...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harley.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

The parent of ai.claasc.de is claasc.de.

IP Addresses

claasc.de maps to four IP numbers: 2606:4700:3034::ac43:cbd1, 2606:4700:3037::6815:5ab7, 104.21.90.183 and 172.67.203.209.

other host names include leonidmail.com, n1serch.biz, jn-siemens.com, approvdlender.com and ezocone.com; they share IP numbers with claasc.de.

Name Servers

Two name servers harley.ns.cloudflare.com and lia.ns.cloudflare.com handle the delegation for claasc.de.

claasc.de shares the same name server setup as other domains, for instance devnetspace.com, relifeme.com, boatbackground.com, gtagsm.com and dreamteam-mobile.com.

claasc.de at least partially shares name servers with other domains, for instance zaraparfume.com, adroittechnosys.com, cantecademacao.org, soumoamower.com and caralarm.com.ua.

These name servers are commonly used with rihana.ns.cloudflare.com and nicole.ns.cloudflare.com.

Six IP addresses per host:

harley.ns.cloudflare.com points to 2606:4700:58::a29f:2c80, 2803:f800:50::6ca2:c380, 2a06:98c1:50::ac40:2380, 108.162.195.128, 162.159.44.128 and 172.64.35.128; lia.ns.cloudflare.com points to 2606:4700:50::adf5:3ab9, 2803:f800:50::6ca2:c0b9, 2a06:98c1:50::ac40:20b9, 108.162.192.185, 172.64.32.185 and 173.245.58.185

Mail Servers

Three mail servers handle claasc.de: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

claasc.de shares at least partially some mail servers with other domains, for instance domain.vg, wordleunlimitedfree.com, cheradon.com, globistack.eu and axiomprism.com.

Host names with six IP numbers:

- route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

- route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

- route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

claasc.de - robtex.com

claasc.de

de

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

`claasc.de`

`de`