system-one.dk

📜 Historical scan 2026-08-26 09:24:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

system-one.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by systemone-dk01e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	300s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	systemone-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 52.101.68.0 52.101.68.21 52.101.73.15 52.101.73.22	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.40
🔶 Autoconfig	93.191.156.200

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 155ms

TXT Record
MS=ms30412209
v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:157.230.20.253 -all

✉️ SPF#

Policy	Record (system-one.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:157.230.20.253 -all

📨 DMARC#

Policy	Record (_dmarc.system-one.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:nmlwdx28@ag.eu.dmarcian.com;

📬 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 2026-10-12 16:23:06

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network system-one.dk: 198.202.211.1 (AS209242) www.system-one.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-systemone-dk01e._domainkey.luminexdk.r-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-systemone-dk01e._domainkey.luminexdk.r-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026060900
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

49ms

48ms

50ms

AAAA

44ms

TXT

155ms

CAA

30ms

HTTPS

56ms

TLSA

1721ms

SOA

0ms

MTA-STS

55ms

DNSSEC

78ms

SRV

58ms

Total

2285ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:23:06	2242ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 11:32:38	1976ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-27 10:59:05	2196ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-04 18:38:09	4460ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-02 02:25:16	1381ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 09:24:22 shown	2285ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-25 06:17:27	1522ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-29 15:53:01	1203ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:08:18	1237ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:09:01	1382ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:47:43	1607ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:22:45	1173ms	4 NS 1 A 1 MX	🔒 Secure