jerf.dk

📜 Historical scan 2026-08-28 03:33:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jerf.dk is a .dk domain served by 2 nameservers (dane.ns.cloudflare.com, gene.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 64ms

Nameserver	IP addresses	PTR	ASN / ISP
dane.ns.cloudflare.com	108.162.193.97 172.64.33.97 173.245.59.97 2606:4700:58::adf5:3b61 2803:f800:50::6ca2:c161 2a06:98c1:50::ac40:2161	dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com dane.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gene.ns.cloudflare.com	108.162.192.158 172.64.32.158 173.245.58.158 2606:4700:50::adf5:3a9e 2803:f800:50::6ca2:c09e 2a06:98c1:50::ac40:209e	gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-13 03:00:35

www	NXDOMAIN
www vs bare domain	Neither resolves jerf.dk: no address www.jerf.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2412961905
Primary NS (MNAME)	dane.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

64ms

54ms

61ms

AAAA

64ms

TXT

225ms

CAA

58ms

HTTPS

76ms

TLSA

48ms

SOA

0ms

MTA-STS

72ms

DNSSEC

113ms

SRV

75ms

Total

721ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 08:20:18	430ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-02 19:55:07	1394ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-25 18:34:31	1216ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-28 03:33:16 shown	721ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-24 11:31:27	2768ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-21 04:58:32	812ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-07 12:30:28	924ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-27 15:56:56	1274ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-17 15:32:54	585ms	2 NS 0 A 0 MX	🔓 Insecure