nielsbyskov.dk

📜 Historical scan 2026-08-30 03:30:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nielsbyskov.dk is a .dk domain served by 2 nameservers (gigi.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 27 August 2026 (WHOIS) and first appeared in the .dk zone on 28 August 2026. Its website address 104.21.15.74 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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   26ms

🌍 A Records#

2 records   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.15.74 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.161.238 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   32ms

🔐 HTTPS Records#

1 records   21ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.15.74,172.67.161.238 ech=AEX+DQBBmQAgACDlBUBGVeNzIsTX6UfR2ooLMBE8WuKqGfJJenVUR7IqJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:f4a,2606:4700:3033::ac43:a1ee

📝 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 2026-10-15 08:40:43
www104.21.15.74 172.67.161.238 2606:4700:3031::6815:f4a 2606:4700:3033::ac43:a1ee (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.nielsbyskov.dk 2DK2NkzcQxqpPpE2MqDvBXr7TVTqgnR-pDstdZnrOTw
TXT _acme-challenge.nielsbyskov.dk icB7WXNeLlk1zvPKWRRjoLamglO8xa0GuwxbFgWbCSE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2413518660
Primary NS (MNAME)gigi.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-10 15:25:03
FieldValue
RegistrarSimply.com A/S
Registered2026-08-27
Expires2027-08-26 (311d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
26ms
A
27ms
MX
24ms
AAAA
32ms
TXT
141ms
CAA
30ms
HTTPS
21ms
TLSA
46ms
SOA
0ms
MTA-STS
52ms
DNSSEC
94ms
SRV
47ms
Total
891ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 08:40:43 427ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-30 22:30:28 744ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-30 01:22:10 401ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-23 17:55:52 684ms 2 NS 2 A 0 MX 🔒 Secure
2026-09-19 09:49:40 2279ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-31 19:25:24 1075ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-30 03:30:54 shown 891ms 2 NS 2 A 0 MX 🔒 Secure
2026-08-28 08:37:47 613ms 2 NS 2 A 0 MX 🔒 Secure
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