openstring.io - dns.ninja
openstring.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:c9c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:842f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.12.156Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.47🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fatima.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26bc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 108.162.194.188🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 162.159.38.188Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 172.64.34.188🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| NS | fred.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| TXT | v=spf1 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.12.156, 172.67.132.47 | ||||||
| IPv6 hints | 2606:4700:3034::6815:c9c, 2606:4700:3037::ac43:842f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com | ||||||
| SOA | fatima.ns.cloudflare.comdns@cloudflare.com serial=2407080995 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1781988938 | ||||||
Same first word
Similar names
neginsport.com |
prestongin.com |
springtone.com |
pinestrong.com |
springnote.co.kr |
strongpine.com |
springnote.net |
springnote.com |
sportingen.com |
DNS History
6 records (6 active, 0 former)
●NSfatima.ns.cloudflare.com2026-04-23 → 2026-06-20 · 2 obs
● 2026-06-20 21:40:26
●NSfred.ns.cloudflare.com2026-04-23 → 2026-06-20 · 2 obs
● 2026-06-20 21:40:26
●A104.21.12.1562026-04-23 → 2026-06-20 · 2 obs
● 2026-06-20 21:40:26
●A172.67.132.472026-04-23 → 2026-06-20 · 2 obs
● 2026-06-20 21:40:26
●A2606:4700:3034::6815:c9c2026-04-23 → 2026-06-20 · 2 obs
● 2026-06-20 21:40:26
●A2606:4700:3037::ac43:842f2026-04-23 → 2026-06-20 · 2 obs
● 2026-06-20 21:40:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| openstring.io | fred.ns.cloudflare.com, fatima.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.188
NS records: fred.ns.cloudflare.com, fatima.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openstring.io (unsigned zone)
⏱️ Timing
Total: 293ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.132.47, 104.21.12.156 |
| AAAA | 2 | 2606:4700:3034::6815:c9c, 2606:4700:3037::ac43:842f |
| NS | 2 | fatima.ns.cloudflare.com, fred.ns.cloudflare.com |
| TXT | 1 | v=spf1 ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fatima.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
openstring.io directs to four IP numbers, which are 104.21.12.156, 172.67.132.47, 2606:4700:3034::6815:c9c and 2606:4700:3037::ac43:842f.
Among the host names that share IP numbers with openstring.io are www.opdj0h3.com, variantgrid.com, njwscwzx.com and two others.
Name Servers
DNS delegation for openstring.io points to two name servers: fatima.ns.cloudflare.com and fred.ns.cloudflare.com.
openstring.io has the same name server delegation as a number of other domains, such as smego.my, beautysalon-puur.nl, skillspro.my and two more.
At least some of openstring.io's name servers are shared with other domains, for example fmchp.com, pastusek.com, marlin688.online and two more.
These name servers tend to be used in conjunction with the name servers pedro.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
fatima.ns.cloudflare.com has IP addresses 108.162.194.188, 162.159.38.188 and 172.64.34.188, plus 3 other.
fred.ns.cloudflare.com has IP addresses 108.162.193.113, 172.64.33.113 and 173.245.59.113, plus 3 other.