feltopgaver.dk

📜 Historical scan 2026-10-05 09:05:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

feltopgaver.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 1 October 2026 (WHOIS) and first appeared in the .dk zone on 2 October 2026. Its website address 104.21.45.179 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.179	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.184	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:d9b8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2db3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.179,172.67.217.184 ech=AEX+DQBB/wAgACAVWnUeWYsjiUxZ7fQIOaWxnKAVDacG13d4R8oZ6rgFGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d9b8,2606:4700:3037::6815:2db3

📝 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 2026-10-25 06:46:19

www	104.21.45.179 172.67.217.184 2606:4700:3032::ac43:d9b8 2606:4700:3037::6815:2db3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network feltopgaver.dk: 104.21.45.179 172.67.217.184 2606:4700:3032::ac43:d9b8 2606:4700:3037::6815:2db3 (AS13335) www.feltopgaver.dk: 104.21.45.179 172.67.217.184 2606:4700:3032::ac43:d9b8 2606:4700:3037::6815:2db3 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

125ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

26ms

Field	Value
Serial	2416631436
Primary NS (MNAME)	ivan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 09:26:21

Field	Value
Registrar	ONE.COM A/S
Registered	2026-10-01
Expires	2027-09-30 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

44ms

42ms

AAAA

42ms

TXT

187ms

CAA

46ms

HTTPS

39ms

TLSA

295ms

SOA

26ms

MTA-STS

57ms

DNSSEC

125ms

SRV

64ms

Total

1212ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 06:46:19	688ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 19:59:11	518ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 14:11:24	1153ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 13:16:33	1978ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-05 09:05:02 shown	1212ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-04 08:41:23	403ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 08:31:43	890ms	2 NS 1 A 1 MX	🔓 Insecure