christianmarcussen.dk

📜 Historical scan 2026-07-18 20:29:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

christianmarcussen.dk is a .dk domain served by 2 nameservers (robin.ns.cloudflare.com, tony.ns.cloudflare.com). It was registered on 16 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.137 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.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   134ms
NameserverIP addressesPTRASN / ISP
robin.ns.cloudflare.com 108.162.192.218
172.64.32.218
173.245.58.218
2606:4700:50::adf5:3ada
2803:f800:50::6ca2:c0da
2a06:98c1:50::ac40:20da		 robin.ns.cloudflare.com
robin.ns.cloudflare.com
robin.ns.cloudflare.com
robin.ns.cloudflare.com
robin.ns.cloudflare.com
robin.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
tony.ns.cloudflare.com 108.162.193.240
172.64.33.240
173.245.59.240
2606:4700:58::adf5:3bf0
2803:f800:50::6ca2:c1f0
2a06:98c1:50::ac40:21f0		 tony.ns.cloudflare.com
tony.ns.cloudflare.com
tony.ns.cloudflare.com
tony.ns.cloudflare.com
tony.ns.cloudflare.com
tony.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   187ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.3.137 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.130.191 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   148ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   183ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:82bf 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:389 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   185ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.137,172.67.130.191 ech=AEX+DQBBIQAgACBjimrUsMjzpcIYkzLcgjUYxIh/3+BMvMceUlWfOWvSRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:82bf,2606:4700:3037::6815:389

🔌 SRV Records#

1 records   215ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 1 443 maildiscover.simply.com

📝 TXT Records#

1 records   329ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (christianmarcussen.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.christianmarcussen.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-09 11:48:47
wwwNXDOMAIN
www vs bare domainwww does not resolve
christianmarcussen.dk: 104.21.3.137 172.67.130.191 2606:4700:3033::ac43:82bf 2606:4700:3037::6815:389 (AS13335)
www.christianmarcussen.dk: no address
(all like this)
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   158ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

267ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2409877073
Primary NS (MNAME)robin.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 09:08:38
FieldValue
RegistrarSimply.com A/S
Registered2026-05-16
Expires2027-05-15 (200d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
134ms
A
187ms
MX
148ms
AAAA
183ms
TXT
329ms
CAA
184ms
HTTPS
185ms
TLSA
158ms
SOA
0ms
MTA-STS
204ms
DNSSEC
267ms
SRV
215ms
Total
1446ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 06:42:17 632ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 18:36:46 9515ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-20 02:32:09 1606ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-18 20:29:54 shown 1446ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-17 18:54:16 1396ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 07:03:01 937ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 20:41:54 413ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 20:40:50 564ms 2 NS 2 A 1 MX 🔓 Insecure
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