openstring.app - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

openstring.app

DNSSEC⚠️ Not signed
A2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8001::153🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8003::153🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
A185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
NShelium.ns.hetzner.de ⚠️ Not in parent delegation
A2001:67c:192c::add:5NORIS-NETWORK2001:67c:192c::/48
A193.47.99.5NORIS-NETWORK193.47.99.0/24
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A88.198.229.192Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
TXTv=spf1 -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-10-14 #1

app

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
🔒 HSTS Preload (+subdomains)

Same first word

openstring.at
openstring.be
openstring.cc
openstring.net
openstring.info
openstring.io
openstring.de
openstring.com
openstring.solutions
openstring.app
openstring.hk
openstring.club
openstring.org
openstring.pages.dev
openstring.me
openstring.co.kr

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Previous names

openstint.app
openstock.app
openstocks.app
openstop.app
openstorage.app
openstore.app
openstores.app
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Next names

openstrings.app
openstructure.app
opensts.app
openstudio.app
openstudios.app
openstudy.app
openstuff.app
opensubs.app
opensuma.app
opensummary.app
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DNS History

12 records (11 active, 1 former)

NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comhelium.ns.hetzner.comA185.199.108.153185.199.109.153185.199.110.153185.199.111.1532606:50c0:8000::1532606:50c0:8001::1532606:50c0:8002::1532606:50c0:8003::153
○NShelium.ns.hetzner.com2026-08-26 → 2026-08-26 · 3 obs
● 2026-08-26 01:20:56
○ 2026-11-01 04:58:52
○ 2026-11-01 04:58:54
●NShelium.ns.hetzner.de2026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●NShydrogen.ns.hetzner.com2026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●NSoxygen.ns.hetzner.com2026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A185.199.108.1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A185.199.109.1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A185.199.110.1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A185.199.111.1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A2606:50c0:8000::1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A2606:50c0:8001::1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A2606:50c0:8002::1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54
●A2606:50c0:8003::1532026-08-26 → 2026-11-01 · 2 obs
● 2026-08-26 01:20:56
● 2026-11-01 04:58:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
openstring.appoxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.com-

✅ Authoritative Response

Server:213.133.100.98

NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstring.app (unsigned zone)

⏱️ Timing

Total: 2316ms | Queries: -

📄 Records

TypeCountSample Data
A4185.199.109.153, 185.199.110.153...
AAAA42606:50c0:8003::153, 2606:50c0:8000::153...
NS3helium.ns.hetzner.de, hydrogen.ns.hetzner.com...
TXT1v=spf1 -all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

IP Addresses

openstring.app has 8 IP addresses — 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 more.

dapearce.com, twirth.dev, chartres3d.com and two other host names share IP numbers with openstring.app.

Name Servers

openstring.app is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

There is at least partial name server overlap between openstring.app and other domains — levantequartett.de, anankan.de, islandreisen.de and two more among them.

These name servers are often used together with the name servers ns1.your-server.de and ns1.first-ns.de.

The host names hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de each point to two IP numbers: hydrogen.ns.hetzner.com points to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com points to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de points to 193.47.99.5 and 2001:67c:192c::add:5.