bjerrumelteknik.dk

📜 Historical scan 2026-07-02 00:40:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bjerrumelteknik.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 22 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.52 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by bjerrumelteknik-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

2 records 265ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 228ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.35.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.23	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 270ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bjerrumelteknik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca09::7 52.101.68.21 52.101.68.29 52.101.73.11 52.101.73.19	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 200ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:2334	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d617	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 267ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.35.52,172.67.214.23 ech=AEX+DQBBbQAgACDRh8EBBYsg5gKR/MjDbn7NihoT9MYyzy/BWffmjeQMZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2334,2606:4700:3036::ac43:d617

📝 TXT Records#

1 records 570ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (bjerrumelteknik.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 2026-10-11 23:21:20

www	104.21.35.52 172.67.214.23 2606:4700:3032::6815:2334 2606:4700:3036::ac43:d617 (AS13335) (address records, no CNAME)
www vs bare domain	Same network bjerrumelteknik.dk: 104.21.35.52 172.67.214.23 2606:4700:3032::6815:2334 2606:4700:3036::ac43:d617 (AS13335) www.bjerrumelteknik.dk: 104.21.35.52 172.67.214.23 2606:4700:3032::6815:2334 2606:4700:3036::ac43:d617 (AS13335)
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#

463ms

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

🏷️ SOA#

229ms

Field	Value
Serial	2406242153
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 09:52:50

Field	Value
Registrar	Simply.com A/S
Registered	2023-03-22
Expires	2027-03-21 (153d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

265ms

228ms

270ms

AAAA

200ms

TXT

570ms

CAA

224ms

HTTPS

267ms

TLSA

704ms

SOA

229ms

MTA-STS

294ms

DNSSEC

463ms

SRV

290ms

Total

3345ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 23:21:20	1244ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 11:44:10	1269ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 23:58:34	1927ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 20:07:00	3741ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-24 11:58:50	1401ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 00:40:25 shown	3345ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 14:43:44	619ms	2 NS 2 A 1 MX	🔓 Insecure