grencoscience.de - robtex.com
grencoscience.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:19a0🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:865e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.160Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.134.94🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bethany.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:261f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bethany.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c21f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bethany.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:221f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bethany.ns.cloudflare.com | ||||||
| A | 108.162.194.31🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bethany.ns.cloudflare.com | ||||||
| A | 162.159.38.31Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bethany.ns.cloudflare.com | ||||||
| A | 172.64.34.31🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bethany.ns.cloudflare.com | ||||||
| NS | milan.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c15🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | milan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c315🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | milan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2315🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | milan.ns.cloudflare.com | ||||||
| A | 108.162.195.21🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | milan.ns.cloudflare.com | ||||||
| A | 162.159.44.21Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | milan.ns.cloudflare.com | ||||||
| A | 172.64.35.21🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | milan.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.25.160, 172.67.134.94 | ||||||
| IPv6 | 2606:4700:3030::6815:19a0, 2606:4700:3032::ac43:865e | ||||||
| SOA | bethany.ns.cloudflare.comdns@cloudflare.com serial=2397093741 | ||||||
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=1773553752 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
●NSbethany.ns.cloudflare.com2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 20:20:18
●NSmilan.ns.cloudflare.com2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 20:20:18
●A104.21.25.1602026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 20:20:18
●A172.67.134.942026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 20:20:18
●A2606:4700:3030::6815:19a02026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 20:20:18
●A2606:4700:3032::ac43:865e2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 20:20:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| grencoscience.de | milan.ns.cloudflare.com, bethany.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.195.21
NS records: milan.ns.cloudflare.com, bethany.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grencoscience.de (unsigned zone)
⏱️ Timing
Total: 851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.64.80.1 |
| AAAA | 1 | 2606:4700:130:436c:6f75:6466:6c61:7265 |
| NS | 2 | bethany.ns.cloudflare.com, milan.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bethany.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
Four IP numbers are pointed to by grencoscience.de: 2606:4700:3030::6815:19a0, 2606:4700:3032::ac43:865e, 104.21.25.160 and 172.67.134.94.
other host names including starfywiki.org, gdp-rp.de, sixteen.co.uk, campday.de and its1984.com share IP numbers with grencoscience.de.
Name Servers
grencoscience.de is delegated to two name servers bethany.ns.cloudflare.com and milan.ns.cloudflare.com.
grencoscience.de shares the same name server setup as other domains, for instance 321movies.xyz, 321movies.co.uk, trziostart.com, samaracity.net and personbio.org.
grencoscience.de at least partially shares name servers with other domains, for instance segured.com, zoyomall.com, simairway.com, mscontabilidadeba.com.br and thomsonhouse.biz.
These name servers are commonly used alongside aragorn.ns.cloudflare.com and dion.ns.cloudflare.com.
Host names with six IP numbers:
Host name bethany.ns.cloudflare.com points to: 2606:4700:50::a29f:261f, 2803:f800:50::6ca2:c21f, 2a06:98c1:50::ac40:221f, 108.162.194.31, 162.159.38.31 and 172.64.34.31.
Host name milan.ns.cloudflare.com points to: 2606:4700:58::a29f:2c15, 2803:f800:50::6ca2:c315, 2a06:98c1:50::ac40:2315, 108.162.195.21, 162.159.44.21 and 172.64.35.21.