Who hosts this site?
Enter any domain. We run 25 probes in parallel — hosting, CDN, DNS, TLS, security headers, email auth, SEO meta, tech stack, registrar, domain age — and print the receipts.
Composite of TLS, headers, email auth, IPv6, HTTP/2/3, DNSSEC and CAA.
www.gelsen-net.de
hosted by GELSEN-NET - GELSEN-NET Kommunikationsgesellschaft mbH, DE
Hosting & infrastructure
Origin
- IP
- 217.70.172.206
- ASN
- AS16024 GELSEN-NET - GELSEN-NET Kommunikationsgesellschaft mbH, DE
- Prefix
- 217.70.160.0/20
- Country
- DE
- IPv6
- No AAAA records
Edge / CDN
No CDN detected; request reaches origin directly.
Protocols
Likely data center
GELSEN-NET Gelsenkirchen
GELSEN NET · Gelsenkirchen, DE
Matched by AS operator name. Click to open the facility page.
Domain intelligence
Registration (RDAP)
No public RDAP record returned. ccTLDs often restrict WHOIS visibility.
First seen online
No Wayback snapshot found.
Source: Internet Archive Wayback Machine.
Security & encryption
TLS protocols
| TLS 1.3 | ✓ supported |
| TLS 1.2 | ✓ supported |
| TLS 1.1 | · not offered |
| TLS 1.0 | — untested |
SSL certificate
- Issuer
- Sectigo Limited
- CN
- *.gelsen-net.de
- Expires
- Oct 26, 2026 (139d)
- Key
- 4096-bit RSA-SHA256
- SANs
-
*.gelsen-net.de gelsen-net.de
Security headers
F- ● HSTS
- ○ Content Security Policy
- ○ X-Content-Type-Options: nosniff
- ● Referrer-Policy
- ○ Permissions-Policy
- ○ X-Frame-Options / frame-ancestors
25/100 · Mozilla Observatory-style scoring
DNS configuration
217.70.172.206
ns1.nodesecure.com
ns2.nodesecure.de
d322194a.ess.barracudanetworks.com (pri 10)
d322194b.ess.barracudanetworks.com (pri 20)
gelsen-net.de
ns1.nodesecure.com
Serial 2026044345 · refresh 3600s
swisssign-check=8nbLVxqB8wwFMEagM3oXSjYFJAo
MS=ms92639734
swisssign-check=6AFHqm4Q2Cxsk1Fxs2Ldf0Wc1C4
_1x0kwcdwnhpzgv9qvtik35rthmbowha
v=spf1 include:spf.protection.outlook.com include:spf.gelsen-net.de include:_spf.recruiting-portal.c…
MS=ms89418269
swisssign-check=6o59MFAzrWPY8oFOVOKWw1n3HmY
MS=ms73334210
+1 more
Email authentication
FRecords found
- SPF Published · strict (-all) ●
- DMARC not found ○
- DKIM not found ○
- BIMI not found ○
- MTA-STS not found ○
- TLS-RPT not found ○
Mail provider
Custom / in-house.
d322194a.ess.barracudanetworks.com
d322194b.ess.barracudanetworks.com
SEO & metadata
Core meta
- Title
- Glasfaser für Privat- & Geschäftskunden | GELSEN-NET - GELSEN-NET
- Desc
- Mehr als nur Internet: GELSEN-NET verbindet die Emscher-Lippe-Region mit leistungsstarkem Glasfaser-Internet, Telefonie, TV und individuellen IT-Lösungen.
- Canonical
- https://www.gelsen-net.de/index.html
- Lang
- de
- Robots
- index,follow
- Mobile
- viewport set ✓
Open Graph
No Open Graph tags detected.
Crawler signals
Technology stack
CMS / platform
none detected
Framework
none detected
Analytics
Customer chat
none detected
Payments
none detected
JS libraries
none detected
Server signals
- Server
- nginx
- Generator
- TYPO3 CMS
Request path
Sources: Team Cymru WHOIS, RDAP.org, Wayback Machine, live DNS + TLS, PeeringDB. Investigation completed in 6,378 ms.