simplersystems.dk

📜 Historical scan 2026-06-21 23:43:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simplersystems.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, jimmy.ns.cloudflare.com). It was registered on 7 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by simplersystems-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jimmy.ns.cloudflare.com	108.162.195.76 162.159.44.76 172.64.35.76 2606:4700:58::a29f:2c4c 2803:f800:50::6ca2:c34c 2a06:98c1:50::ac40:234c	jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.ns.cloudflare.com jimmy.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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.158	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.235	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simplersystems-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::7 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.10 52.101.68.36 52.101.73.11 52.101.73.16	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.98.16.39

🔷 AAAA Records (IPv6)#

2 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:39e	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:82eb	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.158,172.67.130.235 ech=AEX+DQBBtQAgACADQzR+USHgYlLFSCBkYhDs4cltjaEhhSfnDDVK9WLSHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:39e,2606:4700:3032::ac43:82eb

📝 TXT Records#

2 records 225ms

TXT Record
MS=ms64599623
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (simplersystems.dk)
~all (soft fail)	v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 10:41:06

www	104.21.3.158 172.67.130.235 2606:4700:3030::6815:39e 2606:4700:3031::ac43:82eb (AS13335) (address records, no CNAME)
www vs bare domain	Same network simplersystems.dk: 104.21.3.158 172.67.130.235 2606:4700:3030::6815:39e 2606:4700:3031::ac43:82eb (AS13335) www.simplersystems.dk: 104.21.3.158 172.67.130.235 2606:4700:3030::6815:39e 2606:4700:3031::ac43:82eb (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#

62ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2405865994
Primary NS (MNAME)	betty.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 23:23:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-06-07
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

87ms

51ms

AAAA

66ms

TXT

225ms

CAA

57ms

HTTPS

39ms

TLSA

801ms

SOA

56ms

MTA-STS

39ms

DNSSEC

62ms

SRV

71ms

Total

1343ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:41:06	1150ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 04:18:16	894ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 03:39:25	1201ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 20:56:51	2429ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 19:20:25	1975ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-04 22:31:05	2311ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 03:30:25	1128ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 23:43:53 shown	1343ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:11:32	1069ms	2 NS 2 A 1 MX	🔓 Insecure