alarmtjek.dk

📜 Historical scan 2026-06-16 12:40:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alarmtjek.dk is a .dk domain served by 2 nameservers (andy.ns.cloudflare.com, kay.ns.cloudflare.com). It was registered on 15 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.109 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.improvmx.com, mx2.improvmx.com. 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 18ms

Nameserver	IP addresses	PTR	ASN / ISP
andy.ns.cloudflare.com	—	—	—
kay.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 17ms

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

📧 MX Records#

2 records 19ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.improvmx.com	13.37.195.136 15.236.236.160 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	—	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

2 records 18ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5d6d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d13d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 16ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.109,172.67.209.61 ech=AEX+DQBBDwAgACCYb6mBty1liciGWiZwcb9w4g38W7PvbSsN7xn40kAqHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5d6d,2606:4700:3034::ac43:d13d

📝 TXT Records#

2 records 107ms

TXT Record
google-site-verification=pC5jogBB8taVHEO7OIqJ58DBADGR3P99bX_DYK0DG_E
v=spf1 include:spf.improvmx.com include:spf.inmobile.com ~all

✉️ SPF#

Policy	Record (alarmtjek.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com include:spf.inmobile.com ~all

📨 DMARC#

Policy	Record (_dmarc.alarmtjek.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:62f5d7dde9714c7b92e8797acd0dd07e@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 2026-10-24 14:16:01

www	104.21.93.109 172.67.209.61 2606:4700:3030::6815:5d6d 2606:4700:3035::ac43:d13d (AS13335) (address records, no CNAME)
www vs bare domain	Same network alarmtjek.dk: 104.21.93.109 172.67.209.61 2606:4700:3030::6815:5d6d 2606:4700:3035::ac43:d13d (AS13335) www.alarmtjek.dk: 104.21.93.109 172.67.209.61 2606:4700:3030::6815:5d6d 2606:4700:3035::ac43:d13d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

18ms

Field	Value
Serial	2405551799
Primary NS (MNAME)	andy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 15:04:22

Field	Value
Registrar	Simply.com A/S
Registered	2023-12-15
Expires	2026-12-14 (50d)

🔗 Same registrant#

29 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
a-kassetjek.dk	Simply.com A/S
advokatfinder.dk	Simply.com A/S
akassetilbud.dk	Simply.com A/S
akassetjek.dk	Simply.com A/S
algerens-tilbud.dk	Simply.com A/S
findtestamente.dk	Simply.com A/S
forsikringsfinder.dk	Simply.com A/S
internet-tilbud.dk	Simply.com A/S
internetfinder.dk	Simply.com A/S
internettilbud.dk	Simply.com A/S
internettjek.dk	Punktum dk A/S (direct)
meldflyt.dk	Simply.com A/S
portpris.dk	Simply.com A/S
pricebook.dk	Punktum dk A/S (direct)
pricebook10.dk	Simply.com A/S
pricebook13.dk	Simply.com A/S
pricebook15.dk	Simply.com A/S
pricebook2.dk	Simply.com A/S
pricebook3.dk	Simply.com A/S
pricebook4.dk	Simply.com A/S
pricebook8.dk	Simply.com A/S
smilogvind.dk	Simply.com A/S
smilogvind1.dk	Simply.com A/S
smilogvind2.dk	Simply.com A/S
smilogvind4.dk	Simply.com A/S
solarpris.dk	Simply.com A/S
telmodi.dk	Punktum dk A/S (direct)
tilbudstorvet.dk	Simply.com A/S
vinderchancer.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

18ms

17ms

19ms

AAAA

18ms

TXT

107ms

CAA

18ms

HTTPS

16ms

TLSA

86ms

SOA

18ms

MTA-STS

55ms

DNSSEC

100ms

SRV

0ms

Total

733ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 14:16:01	1085ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-21 04:14:28	1227ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-25 12:00:41	1112ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 11:53:41	980ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-20 12:24:27	1277ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 17:03:13	710ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-24 13:51:48	1873ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-27 17:40:43	1725ms	2 NS 2 A 2 MX	❓ Unknown
2026-06-20 03:08:02	764ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 02:02:36	2346ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-16 12:40:10 shown	733ms	2 NS 2 A 2 MX	🔓 Insecure