simplersystems.dk

📜 Historical scan 2026-08-04 22:31:05 · ← 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 124ms

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 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.158	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.235	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 115ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simplersystems-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::1 2a01:111:f403:ca09::9 52.101.68.3 52.101.68.39 52.101.73.153 52.101.73.2	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 52.98.179.88

🔷 AAAA Records (IPv6)#

2 records 108ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:39e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:82eb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 127ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.158,172.67.130.235 ech=AEX+DQBBkgAgACA7W7ZMrL5CN0lj+GM77N1JcbBGCzWaoTcQDYqVUAircgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:39e,2606:4700:3031::ac43:82eb

📝 TXT Records#

2 records 536ms

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#

147ms

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	2410969842
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#

124ms

114ms

115ms

AAAA

108ms

TXT

536ms

CAA

122ms

HTTPS

127ms

TLSA

520ms

SOA

0ms

MTA-STS

111ms

DNSSEC

147ms

SRV

639ms

Total

2311ms

🕐 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 shown	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	1343ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:11:32	1069ms	2 NS 2 A 1 MX	🔓 Insecure