mars-as.dk

Records from scan: 2026-10-09 04:35:06 · 9784ms total · last checked 2026-10-16 20:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mars-as.dk is a .dk domain served by 5 nameservers (ns1.d-n-s.dk, ns2.d-n-s.dk, ns3.d-n-s.dk and 2 more). It was registered on 24 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.142.195.141 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by marsas-dk01b.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.d-n-s.dk	185.215.92.135	—	AS209959 Mark Weber Andersen
ns2.d-n-s.dk	185.215.92.136	—	AS209959 Mark Weber Andersen
ns3.d-n-s.dk	185.215.92.137	—	AS209959 Mark Weber Andersen
ns4.d-n-s.dk	185.215.92.138	—	AS209959 Mark Weber Andersen
ns5.d-n-s.dk	185.215.92.139	—	AS209959 Mark Weber Andersen

🌍 A Records#

1 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.142.195.141	3600s	web346.mwahost.com	AS8075	Microsoft Corporation	52.136.0.0/13	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 2041ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	marsas-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::a 2a01:111:f403:ca38::a 2a01:111:f403:ca48::12 52.101.103.137 52.101.103.143 52.101.185.21 52.101.68.21	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 2066ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	mars-as.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 284ms

TXT Record
DNS-Service by D-N-S.DK
MS=ms20603720
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.mars-as.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@mars-as.dk; ruf=mailto:dmarc@mars-as.dk;

📬 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#

checked 2026-10-09 04:35:06

www CNAME	mars-as.dk (all on mars-as.dk) → 52.142.195.141 (AS8075)
www vs bare domain	Same network mars-as.dk: 52.142.195.141 (AS8075) www.mars-as.dk: 52.142.195.141 (AS8075)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-marsas-dk01b._domainkey.marsasdk.onmicrosoft.com	RSA · ~1024 bit below 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#

98ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

51ms

Field	Value
Serial	2025031902
Primary NS (MNAME)	ns1.d-n-s.dk
Responsible (RNAME)	hostmaster@d-n-s.dk
Refresh	7200s
Retry	120s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 13:11:20

Field	Value
Registrar	CURANET A/S
Registered	1998-03-24
Expires	2027-03-31 (164d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
maskenkol.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

129ms

2041ms

AAAA

2042ms

TXT

284ms

CAA

38ms

HTTPS

2066ms

TLSA

783ms

SOA

51ms

MTA-STS

150ms

DNSSEC

98ms

SRV

2066ms

Total

9784ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 04:35:06 shown	9784ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-30 15:26:52	6953ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-27 03:43:42	6788ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-14 15:42:19	5990ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-07 12:17:17	19419ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-26 10:53:14	9584ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-07 03:02:36	9456ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-02 19:21:20	2920ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-18 02:17:32	10296ms	5 NS 1 A 1 MX	🔓 Insecure