mark1.dk

📜 Historical scan 2026-08-28 01:12:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mark1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.154.28.33 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by mark1-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.154.28.33	43200s	ec2-54-154-28-33.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.154.0.0/15	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mark1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::4 2a01:111:f403:ca09::b 2a01:111:f403:ca09::f 52.101.68.21 52.101.68.25 52.101.68.5 52.101.73.24	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 150ms

TXT Record
MS=ms67840483
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (mark1.dk)
-all (hard fail)	v=spf1 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 2026-10-14 06:59:56

www	54.154.28.33 (AS16509) (address records, no CNAME)
www vs bare domain	Same network mark1.dk: 54.154.28.33 (AS16509) www.mark1.dk: 54.154.28.33 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-mark1-dk._domainkey.mark1aps.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 18:08:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-10-19
Expires	2026-10-31 (7d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

41ms

43ms

AAAA

60ms

TXT

150ms

CAA

68ms

HTTPS

39ms

TLSA

600ms

SOA

0ms

MTA-STS

59ms

DNSSEC

81ms

SRV

63ms

Total

1226ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:32:28	1038ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 17:51:40	963ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 17:34:16	1203ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 17:11:14	865ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 01:12:01 shown	1226ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:31:34	666ms	2 NS 1 A 1 MX	🔒 Secure