alarmtjek.dk

📜 Historical scan 2026-09-20 12:24:27 · ← 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
andy.ns.cloudflare.com	108.162.193.101 172.64.33.101 173.245.59.101 2606:4700:58::adf5:3b65 2803:f800:50::6ca2:c165 2a06:98c1:50::ac40:2165	andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kay.ns.cloudflare.com	108.162.192.125 172.64.32.125 173.245.58.125 2606:4700:50::adf5:3a7d 2803:f800:50::6ca2:c07d 2a06:98c1:50::ac40:207d	kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.109	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.61	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 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. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	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. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5d6d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d13d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.109,172.67.209.61 ech=AEX+DQBB/AAgACAWYlYSmbkn8O2kAevGLgiovbphbRpy1GEhZRpcljdRAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5d6d,2606:4700:3035::ac43:d13d

📝 TXT Records#

2 records 178ms

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#

82ms

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	2413122977
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 (47d)

🔗 Same registrant#

31 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
gevinstfeber.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
strømfinder.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#

37ms

49ms

37ms

AAAA

37ms

TXT

178ms

CAA

51ms

HTTPS

31ms

TLSA

96ms

SOA

0ms

MTA-STS

710ms

DNSSEC

82ms

SRV

59ms

Total

1277ms

🕐 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 shown	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	733ms	2 NS 2 A 2 MX	🔓 Insecure