b-k.dk

📜 Historical scan 2026-08-28 10:07:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b-k.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 21 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.87 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by bk-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 33ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.87	3600s	vm1447.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bk-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::26 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.5 52.101.73.11 52.101.73.15 52.101.73.26	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24
🔶 Autoconfig	193.8.38.7

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 59ms

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

📝 TXT Records#

1 records 163ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:193.8.36.0/22 include:spf.simply.com include:spf.curanet.dk include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (b-k.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:193.8.36.0/22 include:spf.simply.com include:spf.curanet.dk include:web.shared.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.b-k.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-12 22:57:58

www	185.21.40.87 (AS48854) (address records, no CNAME)
www vs bare domain	Same network b-k.dk: 185.21.40.87 (AS48854) www.b-k.dk: 185.21.40.87 (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: 11/10 · policy: -all

error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

110ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2025101402
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 2026-10-12 23:19:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-09-21
Expires	2031-09-30 (1809d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
trailerservice.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

51ms

48ms

AAAA

47ms

TXT

163ms

CAA

46ms

HTTPS

39ms

TLSA

593ms

SOA

0ms

MTA-STS

110ms

DNSSEC

110ms

SRV

59ms

Total

1495ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:57:58	1227ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 15:29:29	939ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 15:12:38	736ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 10:07:52 shown	1495ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 03:28:49	1330ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 01:32:28	1041ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:59:25	2194ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:57:19	2888ms	3 NS 1 A 1 MX	🔒 Secure