3mbyg.dk

📜 Historical scan 2026-09-14 04:57:40 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 28ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.167	2049s	linux278.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	3mbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.103.140 52.101.209.153 52.101.68.25 52.101.68.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.40
🔶 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 94ms

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

📝 TXT Records#

1 records 122ms

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#

latest probe, not this scan · 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#

74ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026072806
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 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

31ms

32ms

AAAA

30ms

TXT

122ms

CAA

43ms

HTTPS

31ms

TLSA

981ms

SOA

0ms

MTA-STS

62ms

DNSSEC

74ms

SRV

94ms

Total

1459ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 04:06:38	1218ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-14 04:57:40 shown	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