medstroem.dk

📜 Historical scan 2026-06-17 13:14:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

medstroem.dk is a .dk domain served by 2 nameservers (lex.ns.cloudflare.com, val.ns.cloudflare.com). It was registered on 14 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.100 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
lex.ns.cloudflare.com	108.162.193.196 172.64.33.196 173.245.59.196 2606:4700:58::adf5:3bc4 2803:f800:50::6ca2:c1c4 2a06:98c1:50::ac40:21c4	lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com lex.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
val.ns.cloudflare.com	108.162.192.234 172.64.32.234 173.245.58.234 2606:4700:50::adf5:3aea 2803:f800:50::6ca2:c0ea 2a06:98c1:50::ac40:20ea	val.ns.cloudflare.com val.ns.cloudflare.com val.ns.cloudflare.com val.ns.cloudflare.com val.ns.cloudflare.com val.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 51ms

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

📧 MX Records#

3 records 50ms

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 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:cf12	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:2564	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.100,172.67.207.18 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cf12,2606:4700:3034::6815:2564

📝 TXT Records#

1 records 159ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.medstroem.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 07:21:44

www	104.21.37.100 172.67.207.18 2606:4700:3034::ac43:cf12 2606:4700:3035::6815:2564 (AS13335) (address records, no CNAME)
www vs bare domain	Same network medstroem.dk: 104.21.37.100 172.67.207.18 2606:4700:3034::ac43:cf12 2606:4700:3035::6815:2564 (AS13335) www.medstroem.dk: 104.21.37.100 172.67.207.18 2606:4700:3034::ac43:cf12 2606:4700:3035::6815:2564 (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#

82ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2407142592
Primary NS (MNAME)	lex.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-15 05:09:51

Field	Value
Registrar	Realtime Register B.V.
Registered	2025-10-14
Expires	2026-10-13 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

51ms

50ms

AAAA

52ms

TXT

159ms

CAA

35ms

HTTPS

44ms

TLSA

163ms

SOA

46ms

MTA-STS

49ms

DNSSEC

82ms

SRV

0ms

Total

837ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 07:21:44	743ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 14:09:59	2719ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 22:56:18	1942ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-11 02:07:43	7136ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-17 03:45:35	1455ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-15 05:09:03	2071ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-25 12:04:40	2347ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-09 21:33:47	17659ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-02 18:01:14	9964ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-25 11:45:58	1530ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 13:14:56 shown	837ms	2 NS 2 A 3 MX	🔓 Insecure