kallstrom.dk

📜 Historical scan 2026-08-17 12:29:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kallstrom.dk is a .dk domain served by 2 nameservers (dexter.ns.cloudflare.com, joselyn.ns.cloudflare.com). It was registered on 29 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.202 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by isaac.mx.cloudflare.net, linda.mx.cloudflare.net 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 334ms

Nameserver	IP addresses	PTR	ASN / ISP
dexter.ns.cloudflare.com	108.162.195.190 162.159.44.190 172.64.35.190 2606:4700:58::a29f:2cbe 2803:f800:50::6ca2:c3be 2a06:98c1:50::ac40:23be	dexter.ns.cloudflare.com dexter.ns.cloudflare.com dexter.ns.cloudflare.com dexter.ns.cloudflare.com dexter.ns.cloudflare.com dexter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
joselyn.ns.cloudflare.com	108.162.194.43 162.159.38.43 172.64.34.43 2606:4700:50::a29f:262b 2803:f800:50::6ca2:c22b 2a06:98c1:50::ac40:222b	joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.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 244ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.202	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.163	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 276ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
26	300s	isaac.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
30	300s	linda.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
90	300s	amir.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 358ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:cba3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:34ca	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 273ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.202,172.67.203.163 ech=AEX+DQBBbwAgACCeybfvCYFOjyqxOwhbSxSfBb6358LB+/wlCf7rvUvOLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:cba3,2606:4700:3037::6815:34ca

📝 TXT Records#

1 records 662ms

TXT Record
v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (kallstrom.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.kallstrom.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:a9c37e07ca794a94ae457051b38325fb@dmarc-reports.cloudflare.net

📬 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 2026-10-14 21:34:27

www	104.21.52.202 172.67.203.163 2606:4700:3032::ac43:cba3 2606:4700:3037::6815:34ca (AS13335) (address records, no CNAME)
www vs bare domain	Same network kallstrom.dk: 104.21.52.202 172.67.203.163 2606:4700:3032::ac43:cba3 2606:4700:3037::6815:34ca (AS13335) www.kallstrom.dk: 104.21.52.202 172.67.203.163 2606:4700:3032::ac43:cba3 2606:4700:3037::6815:34ca (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 254ms

Service / Owner	Type	Cert association
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC#

393ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412391118
Primary NS (MNAME)	dexter.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 11:39:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-01-29
Expires	2027-03-31 (157d)

📋 WHOIS#

⏱️ Lookup Timing#

334ms

244ms

276ms

AAAA

358ms

TXT

662ms

CAA

349ms

HTTPS

273ms

TLSA

254ms

SOA

0ms

MTA-STS

388ms

DNSSEC

393ms

SRV

380ms

Total

3904ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 21:34:27	4367ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-09 11:09:49	2676ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-15 19:49:14	10355ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 05:34:15	1422ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-17 12:29:14 shown	3904ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-09 21:47:14	1806ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-25 11:31:47	1230ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-20 19:26:38	5148ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 15:22:26	1568ms	2 NS 2 A 3 MX	🔓 Insecure