marcus.dk

📜 Historical scan 2026-10-03 06:56:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

marcus.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.79.5 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by marcus-dk.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#

3 records 52ms

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

🌍 A Records#

1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.79.5	900s	v4-elastic-ingress.balancer01.hyperscalemega.cloud	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records#

1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	marcus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::24 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 52.101.185.21 52.101.68.29 52.101.91.153 52.101.91.156	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 150ms

TXT Record
klaviyo-site-verification=UerecV
MS=ms76280083
v=spf1 include:mailgun.org include:send.heyloyalty.com include:spf.protection.outlook.com include:_spf.powerhosting.dk include:customer-spf.webshipper.com ~all

✉️ SPF#

Policy	Record (marcus.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:send.heyloyalty.com include:spf.protection.outlook.com include:_spf.powerhosting.dk include:customer-spf.webshipper.com ~all

📨 DMARC#

Policy	Record (_dmarc.marcus.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@powerhosting.dk,mailto:dmarc_agg@vali.email;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	https://csp.swarm.powr.host

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 01:46:55

www	185.31.79.5 (AS47527) (address records, no CNAME)
www vs bare domain	Same network marcus.dk: 185.31.79.5 (AS47527) www.marcus.dk: 185.31.79.5 (AS47527)
Wildcard	No
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#

3 found

Selector	CNAME	Key
dkim	ph._domainkey.powerhosting.dk	RSA · ~1024 bit below 2048 bit
selector1	selector1-marcus-dk._domainkey.carnetdk.p-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-marcus-dk._domainkey.carnetdk.p-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: 9/10 · policy: ~all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-05 22:13:03

Field	Value
Registrar	Simply.com A/S
Registered	1997-01-31
Expires	2027-03-31 (156d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

27ms

24ms

AAAA

55ms

TXT

150ms

CAA

49ms

HTTPS

46ms

TLSA

591ms

SOA

38ms

MTA-STS

55ms

DNSSEC

63ms

SRV

53ms

Total

1084ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:46:55	1246ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 08:15:08	1264ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 06:56:07 shown	1084ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:48:46	649ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:55:04	951ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-20 05:49:42	2715ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 22:17:16	866ms	3 NS 1 A 1 MX	🔒 Secure