2b-c.dk

📜 Historical scan 2026-06-20 20:50:48 · ← Latest scan

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

🖥️ Nameservers#

4 records 123ms

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 143ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.235.243.105	3600s	105.0-127.243.235.85.in-addr.arpa	AS3308	Norlys Telco A/S	85.235.224.0/19	🇩🇰 Denmark	Hørsholm

📧 MX Records#

1 records 120ms

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::f 2a01:111:f403:ca09::5 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.27 52.101.68.29 52.101.73.16	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.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 200ms

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

📝 TXT Records#

2 records 366ms

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#

latest probe, not this scan · 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#

250ms

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

🏷️ SOA#

115ms

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#

123ms

143ms

120ms

AAAA

111ms

TXT

366ms

CAA

132ms

HTTPS

125ms

TLSA

285ms

SOA

115ms

MTA-STS

121ms

DNSSEC

250ms

SRV

200ms

Total

1257ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:53:24	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 shown	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