3mbyg.dk

Records from scan: 2026-10-04 04:06:38 · 1218ms total · last checked 2026-10-16 23:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3mbyg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 29 July 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.167 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 3mbyg-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 57ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.167	3045s	linux278.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	3mbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca21::8 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::6 52.101.181.156 52.101.209.153 52.101.209.31 52.101.68.25	mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 52.98.154.152
🔶 Autoconfig	93.191.156.167

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 69ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 137ms

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#

Policy	Record (_dmarc.3mbyg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-14 19:36:17

www	93.191.156.167 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 3mbyg.dk: 93.191.156.167 (AS48854) www.3mbyg.dk: 93.191.156.167 (AS48854)
Wildcard	Yes: any name under the zone resolves
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

🔎 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#

83ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2026100300
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 08:20:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-07-29
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

57ms

33ms

36ms

AAAA

72ms

TXT

137ms

CAA

40ms

HTTPS

52ms

TLSA

791ms

SOA

23ms

MTA-STS

68ms

DNSSEC

83ms

SRV

69ms

Total

1218ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 04:06:38 shown	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