kastern.de - robtex.com
kastern.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:1982🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:8640🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.130Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.134.64🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | art.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b66🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | art.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c166🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | art.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2166🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | art.ns.cloudflare.com | ||||||
| A | 108.162.193.102🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | art.ns.cloudflare.com | ||||||
| A | 172.64.33.102🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | art.ns.cloudflare.com | ||||||
| A | 173.245.59.102🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | art.ns.cloudflare.com | ||||||
| NS | daniella.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26e4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 108.162.194.228🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 162.159.38.228Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 172.64.34.228🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| MX | _dc-mx.362f65f485b9.kastern.de ⭐ | ||||||
| A | 217.91.40.96🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | outlook.kastern.de | ||||||
| MX | mxlb.ispgateway.de(100) | ||||||
| A | 80.67.18.126🇩🇪 GD-EMEA-DC-CGN180.67.16.0/20 GD MASS Network | ||||||
| PTR | mxlb.ispgateway.de | ||||||
| TXT | v=spf1 include:secureserver.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.25.130, 172.67.134.64 | ||||||
| IPv6 | 2606:4700:3030::6815:1982, 2606:4700:3033::ac43:8640 | ||||||
| SOA | art.ns.cloudflare.comdns@cloudflare.com serial=2396605744 | ||||||
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.dedns-operations@denic.de serial=1771291602 | ||||||
Subdomains
www.kastern.de |
362f65f485b9.kastern.de |
outlook.kastern.de |
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSart.ns.cloudflare.com2026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
●NSdaniella.ns.cloudflare.com2026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
○NSns.namespace4you.de2015-06-07 → 2016-11-15 · 4 obs
● 2016-11-15 02:46:38
○ 2026-02-21 14:54:12
○ 2026-03-11 07:03:48
○NSns2.namespace4you.de2015-06-07 → 2016-11-15 · 4 obs
● 2016-11-15 02:46:38
○ 2026-02-21 14:54:12
○ 2026-03-11 07:03:48
●MX_dc-mx.362f65f485b9.kastern.de2026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
●MXmxlb.ispgateway.de2015-06-07 → 2026-03-11 · 2 obs
● 2026-03-11 07:03:48
●A104.21.25.1302026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
●A172.67.134.642026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
●A2606:4700:3030::6815:19822026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
●A2606:4700:3033::ac43:86402026-02-21 → 2026-03-11 · 3 obs
● 2026-02-21 14:54:12
● 2026-03-11 07:03:48
○A2a00:1158:0:300:6d29::12015-06-07 → 2016-04-13 · 4 obs
● 2016-04-13 09:46:40
○ 2016-11-15 02:46:38
○ 2026-03-11 07:03:48
○A2a00:1158:1000:300::1c72016-11-15 → 2016-11-15 · 4 obs
● 2016-11-15 02:46:38
○ 2026-02-21 14:54:12
○ 2026-03-11 07:03:48
○A46.252.18.1992015-06-07 → 2016-11-15 · 4 obs
● 2016-11-15 02:46:38
○ 2026-02-21 14:54:12
○ 2026-03-11 07:03:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| kastern.de | art.ns.cloudflare.com, daniella.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.194.228
NS records: art.ns.cloudflare.com, daniella.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kastern.de (unsigned zone)
⏱️ Timing
Total: 1003ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.134.64, 104.21.25.130 |
| AAAA | 2 | 2606:4700:3033::ac43:8640, 2606:4700:3030::6815:1982 |
| NS | 2 | art.ns.cloudflare.com, daniella.ns.cloudflare.com |
| MX | 2 | _dc-mx.362f65f485b9.kastern.de (pri: 0), mxlb.ispgateway.de (pri: 100) |
| TXT | 1 | v=spf1 include:secureserver.net -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | art.ns.cloudflare.com dns.cloudflare.com |
Analysis
Hierarchy
kastern.de is a parent of www.kastern.de, 362f65f485b9.kastern.de and outlook.kastern.de.
IP Addresses
kastern.de refers to four IP numbers: 2606:4700:3030::6815:1982, 2606:4700:3033::ac43:8640, 104.21.25.130 and 172.67.134.64.
Other host names, for instance biqugea2.com, jazzsequence.com, www.patopowerparts.com, newnetgirls.com and onlinedesignmeubel.com share IP numbers with kastern.de.
Name Servers
kastern.de's delegation uses two name servers: art.ns.cloudflare.com and daniella.ns.cloudflare.com.
kastern.de uses the same name server setup as other domains, such as adlaunch.com, heliosauctions.com, meco.co.il, luxeford.com and genazym.com.
kastern.de at least partially shares name servers with other domains, including bjhxyz.com, instituteofhumananatomy.com, finest.cl, bkm-tech.com and instante.gr.
These name servers are commonly used with lamar.ns.cloudflare.com, tess.ns.cloudflare.com and jo.ns.cloudflare.com.
Host names with six IP numbers:
art.ns.cloudflare.com points to 2606:4700:58::adf5:3b66, 2803:f800:50::6ca2:c166, 2a06:98c1:50::ac40:2166, 108.162.193.102, 172.64.33.102 and 173.245.59.102.
daniella.ns.cloudflare.com points to 2606:4700:50::a29f:26e4, 2803:f800:50::6ca2:c2e4, 2a06:98c1:50::ac40:22e4, 108.162.194.228, 162.159.38.228 and 172.64.34.228.
Mail Servers
kastern.de is served by two mail servers mxlb.ispgateway.de and _dc-mx.362f65f485b9.kastern.de.
kastern.de shares at least some mail servers with other domains, for example pid-kids.com, mailgate.dieurope.com, fennec.de, hostmaster.appmeister.com and level2.blog.
Host names with a single IP address: mxlb.ispgateway.de points to 80.67.18.126; _dc-mx.362f65f485b9.kastern.de points to 217.91.40.96.