dmarcussen.dk

📜 Historical scan 2026-08-06 14:39:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dmarcussen.dk is a .dk domain served by 2 nameservers (konnor.ns.cloudflare.com, zainab.ns.cloudflare.com). It was registered on 9 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.160 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dmarcussen-dk.mail.protection.outlook.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 109ms

Nameserver	IP addresses	PTR	ASN / ISP
konnor.ns.cloudflare.com	108.162.195.106 162.159.44.106 172.64.35.106 2606:4700:58::a29f:2c6a 2803:f800:50::6ca2:c36a 2a06:98c1:50::ac40:236a	konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com konnor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zainab.ns.cloudflare.com	108.162.194.149 162.159.38.149 172.64.34.149 2606:4700:50::a29f:2695 2803:f800:50::6ca2:c295 2a06:98c1:50::ac40:2295	zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.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 109ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.33.160	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.201	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 118ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	dmarcussen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::f 52.101.68.25 52.101.68.29 52.101.73.11 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 123ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:21a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:a4c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 139ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.160,172.67.164.201 ech=AEX+DQBBcQAgACDF+7E/wt72POh9yP5+npEKC5Q8zO91LUFqEHDG3wv0OAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:21a0,2606:4700:3034::ac43:a4c9

🔌 SRV Records#

1 records 1127ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 244ms

TXT Record
mscid=5Q+o2elJ7MmGR9UNOQAJqjHv5gbjYdxW7+EuCP3HfADP4P2oP9LVQb2051+BNwZGSbvVyBhL+9oUtHlVF/yd1g==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dmarcussen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.dmarcussen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:osonn46h@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 2026-10-14 16:06:29

www	104.21.33.160 172.67.164.201 2606:4700:3033::6815:21a0 2606:4700:3034::ac43:a4c9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dmarcussen.dk: 104.21.33.160 172.67.164.201 2606:4700:3033::6815:21a0 2606:4700:3034::ac43:a4c9 (AS13335) www.dmarcussen.dk: 104.21.33.160 172.67.164.201 2606:4700:3033::6815:21a0 2606:4700:3034::ac43:a4c9 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

167ms

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	2411274634
Primary NS (MNAME)	konnor.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 13:23:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-04-09
Expires	2031-04-30 (1655d)

📋 WHOIS#

⏱️ Lookup Timing#

109ms

118ms

AAAA

123ms

TXT

244ms

CAA

121ms

HTTPS

139ms

TLSA

176ms

SOA

0ms

MTA-STS

118ms

DNSSEC

167ms

SRV

1127ms

Total

2453ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 16:06:29	1252ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 16:17:13	1229ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 16:14:42	1057ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 16:05:33	1393ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 20:12:45	1530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 19:37:44	1332ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 20:32:54	3523ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 19:04:01	2284ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 16:22:46	1583ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 14:39:22 shown	2453ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 07:40:22	1560ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 03:55:15	2672ms	2 NS 2 A 1 MX	🔓 Insecure