gutmann.dk

📜 Historical scan 2026-08-09 18:24:01  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gutmann.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.242 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   53ms

🌍 A Records#

2 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.242 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.188.25 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   87ms

🔐 HTTPS Records#

1 records   102ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.242,172.67.188.25 ech=AEX+DQBBXAAgACBfsCYc2v1KH8rbYd0hR5bWHhwKBJSEepxccs7qi1FiFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:7f2,2606:4700:3033::ac43:bc19

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-07 14:14:42

🔗 TLSA / DANE#

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

🔐 DNSSEC#

157ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2411628538
Primary NS (MNAME)joan.ns.cloudflare.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
53ms
A
76ms
MX
78ms
AAAA
87ms
TXT
205ms
CAA
73ms
HTTPS
102ms
TLSA
77ms
SOA
0ms
MTA-STS
93ms
DNSSEC
157ms
SRV
160ms
Total
901ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 14:14:42 537ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-20 22:49:57 1261ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-13 19:55:05 568ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-09 18:24:01 shown 901ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-19 05:28:07 9864ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-25 19:08:50 766ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-17 10:12:21 2388ms 2 NS 2 A 0 MX 🔓 Insecure
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