hackforgood.com - dns.ninja
hackforgood.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:9e95🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:2128🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.33.40Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.158.149🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | a.ns.hackerone.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1f🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | a.ns.hackerone.com | ||||||
| A | 162.159.0.31Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.ns.hackerone.com | ||||||
| A | 2400:cb00:2049:1::a29f:11f🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | b.ns.hackerone.com | ||||||
| A | 162.159.1.31Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | b.ns.hackerone.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.33.40, 172.67.158.149 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:9e95, 2606:4700:3037::6815:2128 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com | ||||||
| SOA | a.ns.hackerone.comdns@cloudflare.com serial=2411415576 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1787064909 | ||||||
Same first word
hackforgood.pt |
hackforgood.it |
hackforgood.net |
hackforgood.dev |
hackforgood.ca |
hackforgood.com |
hackforgood.eu |
Previous names
Next names
DNS History
11 records (6 active, 5 former)
●NSa.ns.hackerone.com2026-08-18 → 2026-08-18 · 3 obs
● 2026-08-18 10:26:20
● 2026-08-18 15:19:26
●NSb.ns.hackerone.com2026-08-18 → 2026-08-18 · 3 obs
● 2026-08-18 10:26:20
● 2026-08-18 15:19:26
○NSns13.domaincontrol.com2015-08-06 → 2017-03-28 · 4 obs
● 2017-03-28 16:08:46
○ 2026-08-18 10:26:20
○ 2026-08-18 15:19:26
○NSns14.domaincontrol.com2015-08-06 → 2017-03-28 · 4 obs
● 2017-03-28 16:08:46
○ 2026-08-18 10:26:20
○ 2026-08-18 15:19:26
○MXmailstore1.secureserver.net2015-08-06 → 2017-03-28 · 4 obs
● 2017-03-28 16:08:46
○ 2026-08-18 10:26:20
○ 2026-08-18 15:19:26
○MXsmtp.secureserver.net2015-08-06 → 2017-03-28 · 4 obs
● 2017-03-28 16:08:46
○ 2026-08-18 10:26:20
○ 2026-08-18 15:19:26
●A104.21.33.402026-08-18 → 2026-08-18 · 3 obs
● 2026-08-18 10:26:20
● 2026-08-18 15:19:26
●A172.67.158.1492026-08-18 → 2026-08-18 · 3 obs
● 2026-08-18 10:26:20
● 2026-08-18 15:19:26
○A184.168.221.552015-08-06 → 2017-03-28 · 4 obs
● 2017-03-28 16:08:46
○ 2026-08-18 10:26:20
○ 2026-08-18 15:19:26
●A2606:4700:3031::ac43:9e952026-08-18 → 2026-08-18 · 3 obs
● 2026-08-18 10:26:20
● 2026-08-18 15:19:26
●A2606:4700:3037::6815:21282026-08-18 → 2026-08-18 · 3 obs
● 2026-08-18 10:26:20
● 2026-08-18 15:19:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net... | - |
| hackforgood.com | a.ns.hackerone.com, b.ns.hackerone.com | 4 records |
✅ Authoritative Response
Server:162.159.0.31
NS records: a.ns.hackerone.com, b.ns.hackerone.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hackforgood.com (unsigned zone)
⏱️ Timing
Total: 217ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.33.40, 172.67.158.149 |
| AAAA | 2 | 2606:4700:3031::ac43:9e95, 2606:4700:3037::6815:2128 |
| NS | 2 | a.ns.hackerone.com, b.ns.hackerone.com |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | a.ns.hackerone.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (a.ns.hackerone.com, a.ns.hackerone.com, b.ns.hackerone.com...)
Analysis
IP Addresses
hackforgood.com directs to four IP numbers, which are 104.21.33.40, 172.67.158.149, 2606:4700:3031::ac43:9e95 and 2606:4700:3037::6815:2128.
lumenhub.sbs, praxislemke.de, joranaquile.sbs plus two other host names have IP numbers in common with hackforgood.com.
Name Servers
DNS delegation for hackforgood.com points to two name servers: a.ns.hackerone.com and b.ns.hackerone.com.
The name server configuration of hackforgood.com is shared with other domains, for instance hackerone.to, hackeroneathon.com, hacker1.us and two others.
At least some of hackforgood.com's name servers are shared with other domains, for example hackeronestatus.org, hackerone.im, hackewrone.com and two more.
a.ns.hackerone.com directs to 162.159.0.31 and 2400:cb00:2049:1::a29f:1f. b.ns.hackerone.com directs to 162.159.1.31 and 2400:cb00:2049:1::a29f:11f. Each host name carries two IP addresses.