marnav.dk

📜 Historical scan 2026-06-21 19:34:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

marnav.dk is a .dk domain served by 2 nameservers (elisa.ns.cloudflare.com, peter.ns.cloudflare.com). It was registered on 3 December 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.21 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by marnav-dk.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
elisa.ns.cloudflare.com	108.162.194.54 162.159.38.54 172.64.34.54 2606:4700:50::a29f:2636 2803:f800:50::6ca2:c236 2a06:98c1:50::ac40:2236	elisa.ns.cloudflare.com elisa.ns.cloudflare.com elisa.ns.cloudflare.com elisa.ns.cloudflare.com elisa.ns.cloudflare.com elisa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peter.ns.cloudflare.com	108.162.195.3 162.159.44.3 172.64.35.3 2606:4700:58::a29f:2c03 2803:f800:50::6ca2:c303 2a06:98c1:50::ac40:2303	peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com peter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.21	600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	marnav-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.18 52.101.68.36 52.101.68.5	mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 107ms

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

📝 TXT Records#

3 records 255ms

TXT Record
google-site-verification=oOAeXLuZyjrxBgMYRWhytxoAhtrXvL2P6cG5ZjSuBaE
Sendinblue-code:4973ed438560d74bf2ad241c3fdb3103
v=spf1 a:mail-relay.itslearningmail.net ip4:37.49.133.186 ip4:23.227.37.239 include:spf.protection.outlook.com include:spf.curanet.dk include:spfinclude.sikkermail.dk include:_spf.elasticemail.com include:spf.sendinblue.com mx -all

✉️ SPF#

Policy	Record (marnav.dk)
-all (hard fail)	v=spf1 a:mail-relay.itslearningmail.net ip4:37.49.133.186 ip4:23.227.37.239 include:spf.protection.outlook.com include:spf.curanet.dk include:spfinclude.sikkermail.dk include:_spf.elasticemail.com include:spf.sendinblue.com mx -all

📨 DMARC#

Policy	Record (_dmarc.marnav.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:Dmarc@marnav.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#

latest probe, not this scan · checked 2026-10-08 13:50:13

www	20.50.64.21 (AS8075) (address records, no CNAME)
www vs bare domain	Same network marnav.dk: 20.50.64.21 (AS8075) www.marnav.dk: 20.50.64.21 (AS8075)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 10/10 · policy: -all

warn 10 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#

77ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2405515240
Primary NS (MNAME)	elisa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 19:18:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-12-03
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

87ms

50ms

AAAA

52ms

TXT

255ms

CAA

51ms

HTTPS

45ms

TLSA

138ms

SOA

41ms

MTA-STS

84ms

DNSSEC

77ms

SRV

107ms

Total

697ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 11:31:39	1667ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-19 03:44:54	1536ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 18:49:43	1683ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 19:44:39	10346ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-18 22:43:50	1574ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 00:26:04	1047ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 11:23:37	1116ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 19:34:04 shown	697ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:00:52	1556ms	2 NS 1 A 1 MX	🔓 Insecure