classpass.de - robtex.com

classpass.de

DNSSEC⚠️ Not signed
A2606:4700:440c::ac40:92d3🇺🇸 Cloudflare2606:4700:440c::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2a06:98c1:3108::6812:292d🇺🇸 Cloudflare2a06:98c1:3108::/48 ✓ In HTTPS hints
A104.18.41.45Cloudflare104.18.41.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.146.211🇺🇸 Cloudflare172.64.146.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjack.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A2803:f800:50::6ca2:c179🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjack.ns.cloudflare.com
A2a06:98c1:50::ac40:2179🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjack.ns.cloudflare.com
A108.162.193.121🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A172.64.33.121🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A173.245.59.121🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
NSleah.ns.cloudflare.com
A2606:4700:50::adf5:3a81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A2803:f800:50::6ca2:c081🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleah.ns.cloudflare.com
A2a06:98c1:50::ac40:2081🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleah.ns.cloudflare.com
A108.162.192.129🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A172.64.32.129🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A173.245.58.129🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
TXTgoogle-site-verification=LlBmmnqu1PnAkfKXIdY5PJ1tzG88shxOSv3WEvE_7l8
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.18.41.45, 172.64.146.211
IPv6 hints2606:4700:440c::ac40:92d3, 2a06:98c1:3108::6812:292d
SOAjack.ns.cloudflare.comdns@cloudflare.com serial=2411792608

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1786540043
📈 Tranco rank: #299,783

Same first word

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classpass.com.kw
classpass.co.jp
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classpass.pt
classpass.site

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSjack.ns.cloudflare.comleah.ns.cloudflare.comns81.domaincontrol.comns82.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.18.41.45172.64.146.2112606:4700:440c::ac40:92d32a06:98c1:3108::6812:292d184.168.221.7750.63.82.1
●NSjack.ns.cloudflare.com2026-07-24 → 2026-08-12 · 3 obs
○ 2017-05-25 11:50:28
● 2026-07-24 09:59:16
● 2026-08-12 13:36:24
●NSleah.ns.cloudflare.com2026-07-24 → 2026-08-12 · 3 obs
○ 2017-05-25 11:50:28
● 2026-07-24 09:59:16
● 2026-08-12 13:36:24
○NSns81.domaincontrol.com2015-05-31 → 2017-05-25 · 4 obs
● 2015-05-31 00:47:32
● 2017-05-25 11:50:28
○ 2026-07-24 09:59:16
○ 2026-08-12 13:36:24
○NSns82.domaincontrol.com2015-05-31 → 2017-05-25 · 4 obs
● 2015-05-31 00:47:32
● 2017-05-25 11:50:28
○ 2026-07-24 09:59:16
○ 2026-08-12 13:36:24
○MXmailstore1.secureserver.net2015-05-31 → 2017-05-25 · 4 obs
● 2015-05-31 00:47:32
● 2017-05-25 11:50:28
○ 2026-07-24 09:59:16
○ 2026-08-12 13:36:24
○MXsmtp.secureserver.net2015-05-31 → 2017-05-25 · 4 obs
● 2015-05-31 00:47:32
● 2017-05-25 11:50:28
○ 2026-07-24 09:59:16
○ 2026-08-12 13:36:24
●A104.18.41.452026-07-24 → 2026-08-12 · 3 obs
○ 2017-05-25 11:50:28
● 2026-07-24 09:59:16
● 2026-08-12 13:36:24
●A172.64.146.2112026-07-24 → 2026-08-12 · 3 obs
○ 2017-05-25 11:50:28
● 2026-07-24 09:59:16
● 2026-08-12 13:36:24
○A184.168.221.772015-10-17 → 2017-05-25 · 5 obs
○ 2015-05-31 00:47:32
● 2015-10-17 07:25:12
● 2017-05-25 11:50:28
○ 2026-07-24 09:59:16
○ 2026-08-12 13:36:24
●A2606:4700:440c::ac40:92d32026-07-24 → 2026-08-12 · 3 obs
○ 2017-05-25 11:50:28
● 2026-07-24 09:59:16
● 2026-08-12 13:36:24
●A2a06:98c1:3108::6812:292d2026-07-24 → 2026-08-12 · 3 obs
○ 2017-05-25 11:50:28
● 2026-07-24 09:59:16
● 2026-08-12 13:36:24
○A50.63.82.12015-05-31 → 2015-05-31 · 3 obs
● 2015-05-31 00:47:32
○ 2015-10-17 07:25:12
○ 2026-08-12 13:36:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
classpass.dejack.ns.cloudflare.com, leah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.121

NS records: jack.ns.cloudflare.com, leah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classpass.de (unsigned zone)

⏱️ Timing

Total: 782ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.41.45, 172.64.146.211
AAAA22a06:98c1:3108::6812:292d, 2606:4700:440c::ac40:92d3
NS2jack.ns.cloudflare.com, leah.ns.cloudflare.com
TXT1google-site-verification=LlBmmnqu1PnAkfK
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1jack.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

classpass.de has four IP addresses: 104.18.41.45, 172.64.146.211, 2606:4700:440c::ac40:92d3 and 2a06:98c1:3108::6812:292d.

Two other host names, along with cfcn-a-pro-gol23.chinabilibili.pp.ua, www.southwestrisk.org.cdn.cloudflare.net and pfizer-biontechcovid19logistics.global, also share IP numbers with classpass.de.

Name Servers

classpass.de uses two name servers for its delegation: jack.ns.cloudflare.com and leah.ns.cloudflare.com.

classpass.de shares its NS records with other domains, for example joust.fr, rc-toy.net, joomagic.com and two others.

classpass.de shares at least some of its name servers with other domains, including cardhousenation.us, njgomon.com, cast-acrylic-sheet.com and two others.

These name servers are frequently paired with the name servers adel.ns.cloudflare.com and kai.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname jack.ns.cloudflare.com directs to 108.162.193.121, 172.64.33.121 and 173.245.59.121 along with 3 other IP addresses.

Hostname leah.ns.cloudflare.com directs to 108.162.192.129, 172.64.32.129 and 173.245.58.129 along with 3 other IP addresses.