certifiedsummer.de - robtex.com
certifiedsummer.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:3d33🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:ce7c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.61.51Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.124🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | isla.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| NS | rocco.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c379🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2379🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 108.162.195.121🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 162.159.44.121Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 172.64.35.121🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.61.51, 172.67.206.124 | ||||||
| IPv6 hints | 2606:4700:3031::6815:3d33, 2606:4700:3036::ac43:ce7c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com | ||||||
| SOA | isla.ns.cloudflare.comdns@cloudflare.com serial=2403324321 | ||||||
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=1778427072 | ||||||
Same first word
certifiedsummer.de |
DNS History
6 records (6 active, 0 former)
●NSisla.ns.cloudflare.com2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 15:43:20
●NSrocco.ns.cloudflare.com2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 15:43:20
●A104.21.61.512026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 15:43:20
●A172.67.206.1242026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 15:43:20
●A2606:4700:3031::6815:3d332026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 15:43:20
●A2606:4700:3036::ac43:ce7c2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 15:43:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| certifiedsummer.de | rocco.ns.cloudflare.com, isla.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.119
NS records: rocco.ns.cloudflare.com, isla.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certifiedsummer.de (unsigned zone)
⏱️ Timing
Total: 729ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.206.124, 104.21.61.51 |
| AAAA | 2 | 2606:4700:3031::6815:3d33, 2606:4700:3036::ac43:ce7c |
| NS | 2 | isla.ns.cloudflare.com, rocco.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | isla.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
certifiedsummer.de points to four IP numbers: 2606:4700:3031::6815:3d33, 2606:4700:3036::ac43:ce7c, 104.21.61.51 and 172.67.206.124.
Other host names, for instance aboufehr.com, merikssnowbord.top, www.encotentin.fr, allesoverdna.nl and enggang.com share IP numbers with certifiedsummer.de.
Name Servers
certifiedsummer.de's delegation is to two name servers isla.ns.cloudflare.com and rocco.ns.cloudflare.com.
certifiedsummer.de shares the same name server configuration as other domains, such as dionarexquil.com, edupal.eu, seronivalquex.com, iontravalque.com and thelyronavix.com.
certifiedsummer.de at least partially shares its name servers with other domains, for instance lecpay.com, whittens-computers.com, beyond-up.cl, zyyz12.com and nig.jp.
These name servers are commonly used with athena.ns.cloudflare.com, konnor.ns.cloudflare.com and coraline.ns.cloudflare.com.
Host names with six IP numbers:
isla.ns.cloudflare.com points to: 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119.
rocco.ns.cloudflare.com points to: 2606:4700:58::a29f:2c79, 2803:f800:50::6ca2:c379, 2a06:98c1:50::ac40:2379, 108.162.195.121, 162.159.44.121 and 172.64.35.121.