2b-c.dk

Records from scan: 2026-09-30 16:53:24 · 1220ms total · last checked 2026-10-17 06:41 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

2b-c.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 22 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.235.243.105 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by 2bc-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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#

4 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.235.243.105	3600s	—	AS3308	Norlys Telco A/S	85.235.224.0/19	🇩🇰 Denmark	Hørsholm

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	2bc-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09::22 2a01:111:f403:ca3c::a 52.101.103.143 52.101.68.29 52.101.91.162 52.101.91.21	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 62ms

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

📝 TXT Records#

2 records 157ms

TXT Record
mscid=BNZ2oHoLyyZL+upUimc+eXw2avpMpv6xI8QSnX+BgYGXMzWKRyHL7853oxOnoodQtCY7J98PNonDi4/M12YY3Q==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (2b-c.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 2026-10-08 18:35:25

www CNAME	2b-c.dk (all on 2b-c.dk) → 85.235.243.105 (AS3308)
www vs bare domain	Same network 2b-c.dk: 85.235.243.105 (AS3308) www.2b-c.dk: 85.235.243.105 (AS3308)
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#

68ms

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

🏷️ SOA#

30ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 21:52:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-04-22
Expires	2027-04-30 (194d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

30ms

AAAA

36ms

TXT

157ms

CAA

34ms

HTTPS

22ms

TLSA

743ms

SOA

30ms

MTA-STS

58ms

DNSSEC

68ms

SRV

62ms

Total

1220ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:53:24 shown	1220ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-27 19:54:03	1557ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-01 19:28:39	968ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-24 21:29:59	909ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-30 14:22:45	869ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 04:48:23	1071ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-23 22:48:51	1174ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 20:50:48	1257ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 18:55:40	1005ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:16:52	9772ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:12:41	990ms	4 NS 1 A 1 MX	🔓 Insecure