hackerone.dk

📜 Historical scan 2026-09-30 03:40:30  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hackerone.dk is a .dk domain served by 2 nameservers (a.ns.hackerone.com, b.ns.hackerone.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.70.124 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   50ms
NameserverIP addressesPTRASN / ISP
a.ns.hackerone.com 162.159.0.31
2400:cb00:2049:1::a29f:1f		 —
a.ns.hackerone.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
b.ns.hackerone.com 162.159.1.31
2400:cb00:2049:1::a29f:11f		 b.ns.hackerone.com
b.ns.hackerone.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.70.124 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.223.136 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   57ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::ac43:df88 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:467c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   80ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.70.124,172.67.223.136 ech=AEX+DQBBFgAgACDQh6blBpSmICDnbiaFgpEWOgrKyZ/lZRK79wZHpO/tNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:df88,2606:4700:3035::6815:467c

📝 TXT Records#

2 records   168ms
TXT Record
v=DMARC1; p=reject; rua=mailto:fgunarop@ag.dmarcian.com,mailto:dmarc-reports@hackerone.com; ruf=mailto:fgunarop@fr.dmarcian.com;
v=spf1 -all

✉️ SPF#

PolicyRecord (hackerone.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 12:36:20
www104.21.70.124 172.67.223.136 2606:4700:3034::ac43:df88 2606:4700:3035::6815:467c (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414955354
Primary NS (MNAME)a.ns.hackerone.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
42ms
MX
60ms
AAAA
57ms
TXT
168ms
CAA
53ms
HTTPS
80ms
TLSA
47ms
SOA
0ms
MTA-STS
75ms
DNSSEC
88ms
SRV
86ms
Total
2766ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 12:36:20 4264ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-02 03:55:06 990ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-30 03:40:30 shown 2766ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-27 04:11:18 2750ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-20 08:24:45 1444ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-14 19:21:39 2734ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-26 13:29:08 1258ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-09 08:59:40 622ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-17 06:32:31 2541ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-30 12:45:38 636ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-27 00:31:41 750ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-22 20:17:51 1179ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 10:48:30 1018ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-17 10:45:39 676ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone