havforsker.dk

📜 Historical scan 2026-06-17 10:51:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

havforsker.dk is a .dk domain served by 2 nameservers (lola.ns.cloudflare.com, nash.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.137 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and 1 more. The zone is not DNSSEC-signed, publishes a 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
lola.ns.cloudflare.com	108.162.192.132 172.64.32.132 173.245.58.132 2606:4700:50::adf5:3a84 2803:f800:50::6ca2:c084 2a06:98c1:50::ac40:2084	lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com lola.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nash.ns.cloudflare.com	108.162.193.209 172.64.33.209 173.245.59.209 2606:4700:58::adf5:3bd1 2803:f800:50::6ca2:c1d1 2a06:98c1:50::ac40:21d1	nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.ns.cloudflare.com nash.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.137	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.195.191	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	—	mx1-hosting.jellyfish.systems	162.255.118.28	oxse3a.privateemail.com	AS22612 Namecheap, Inc.
10	—	mx2-hosting.jellyfish.systems	162.255.118.29	oxse2b.privateemail.com	AS22612 Namecheap, Inc.
20	—	mx3-hosting.jellyfish.systems	162.255.118.13	mx3-hosting.jellyfish.systems	AS22612 Namecheap, Inc.

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c3bf	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:4c89	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.137,172.67.195.191 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c3bf,2606:4700:3034::6815:4c89

📝 TXT Records#

1 records 152ms

TXT Record
v=spf1 +a +mx +ip4:66.29.141.108 include:spf.web-hosting.com ~all

✉️ SPF#

Policy	Record (havforsker.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:66.29.141.108 include:spf.web-hosting.com ~all

📨 DMARC#

Policy	Record (_dmarc.havforsker.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 14:45:48

www	104.21.76.137 172.67.195.191 2606:4700:3033::ac43:c3bf 2606:4700:3035::6815:4c89 (AS13335) (address records, no CNAME)
www vs bare domain	Same network havforsker.dk: 104.21.76.137 172.67.195.191 2606:4700:3033::ac43:c3bf 2606:4700:3035::6815:4c89 (AS13335) www.havforsker.dk: 104.21.76.137 172.67.195.191 2606:4700:3033::ac43:c3bf 2606:4700:3035::6815:4c89 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: ~all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2407072062
Primary NS (MNAME)	lola.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#

38ms

49ms

AAAA

38ms

TXT

152ms

CAA

53ms

HTTPS

40ms

TLSA

69ms

SOA

35ms

MTA-STS

40ms

DNSSEC

90ms

SRV

0ms

Total

739ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:45:48	3304ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-02 13:09:48	2911ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-26 12:55:26	3182ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-18 15:16:33	1300ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 07:09:02	9946ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-15 22:19:48	4396ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-14 15:07:39	1077ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 21:33:41	880ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-22 04:42:03	2849ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-20 18:32:19	1173ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:51:35 shown	739ms	2 NS 2 A 3 MX	🔓 Insecure