3mbyg.dk

Records from scan: 2026-10-24 11:23:02 · 2669ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3mbyg.dk is a .dk domain served by 2 nameservers (greg.ns.cloudflare.com, liz.ns.cloudflare.com). It was registered on 29 July 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 22 October 2026, when it moved from direct registration at Punktum to Simply.com A/S. Its website address 104.21.58.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 3mbyg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

2 records 94ms

Nameserver	IP addresses	PTR	ASN / ISP
greg.ns.cloudflare.com	108.162.193.115 172.64.33.115 173.245.59.115 2606:4700:58::adf5:3b73 2803:f800:50::6ca2:c173 2a06:98c1:50::ac40:2173	greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
liz.ns.cloudflare.com	108.162.192.189 172.64.32.189 173.245.58.189 2606:4700:50::adf5:3abd 2803:f800:50::6ca2:c0bd 2a06:98c1:50::ac40:20bd	liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.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 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.159	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.102	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 155ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3mbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca21::8 2a01:111:f403:ca48::8 52.101.103.137 52.101.103.140 52.101.68.25 52.101.73.126	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 135ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3a9f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:cd66	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 115ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.159,172.67.205.102 ech=AEX+DQBBdQAgACAkQg3SHyJFGP7++uREqRvFLhP3DpD11Tj6bByjYTzyfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3a9f,2606:4700:3030::ac43:cd66

📝 TXT Records#

1 records 371ms

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

✉️ SPF#

Policy	Record (3mbyg.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#

checked 2026-10-24 11:23:02

www	104.21.58.159 172.67.205.102 2606:4700:3030::6815:3a9f 2606:4700:3030::ac43:cd66 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3mbyg.dk: 104.21.58.159 172.67.205.102 2606:4700:3030::6815:3a9f 2606:4700:3030::ac43:cd66 (AS13335) www.3mbyg.dk: 104.21.58.159 172.67.205.102 2606:4700:3030::6815:3a9f 2606:4700:3030::ac43:cd66 (AS13335)
Wildcard	No

🔎 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#

318ms

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

🏷️ SOA#

87ms

Field	Value
Serial	2418230635
Primary NS (MNAME)	greg.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-22 22:02:55

Field	Value
Registrar	Simply.com A/S
Registered	2017-07-29
Expires	2027-07-31 (278d)

🔗 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#

94ms

98ms

155ms

AAAA

135ms

TXT

371ms

CAA

148ms

HTTPS

115ms

TLSA

322ms

SOA

87ms

MTA-STS

215ms

DNSSEC

318ms

SRV

342ms

Total

2669ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 11:23:02 shown	2669ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-22 21:52:29	535ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 04:06:38	1218ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-14 04:57:40	1459ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-31 17:03:56	2209ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-28 11:52:53	3109ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-24 22:08:41	1530ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:47:36	820ms	2 NS 1 A 1 MX	🔒 Secure