byggemandblohm.dk

📜 Historical scan 2026-10-23 06:35:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byggemandblohm.dk is a .dk domain served by 2 nameservers (dimitris.ns.cloudflare.com, linda.ns.cloudflare.com). It was registered on 24 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.195 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by byggemandblohm-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 102ms

Nameserver	IP addresses	PTR	ASN / ISP
dimitris.ns.cloudflare.com	108.162.195.6 162.159.44.6 172.64.35.6 2606:4700:58::a29f:2c06 2803:f800:50::6ca2:c306 2a06:98c1:50::ac40:2306	dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
linda.ns.cloudflare.com	108.162.192.250 172.64.32.250 173.245.58.250 2606:4700:50::adf5:3afa 2803:f800:50::6ca2:c0fa 2a06:98c1:50::ac40:20fa	linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.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 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.34.195	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.53	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 108ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byggemandblohm-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:c967::a 2a01:111:f403:ca09::26 2a01:111:f403:ca3c::a 52.101.103.137 52.101.209.28 52.101.68.29 52.101.73.123	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

2 records 246ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a435	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:22c3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 677ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.34.195,172.67.164.53 ech=AEX+DQBBgwAgACAAORZRUABls2l4QwM5wFzYV740L8r55P1ApCtWTb6yYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a435,2606:4700:3036::6815:22c3

🔌 SRV Records#

1 records 744ms

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

📝 TXT Records#

2 records 261ms

TXT Record
MS=ms10911083
v=spf1 +mx +a +ip4:217.195.154.111 +ip4:217.195.154.2 +include:relay.mailchannels.net include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (byggemandblohm.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:217.195.154.111 +ip4:217.195.154.2 +include:relay.mailchannels.net include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.byggemandblohm.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:8aa906a5@mxtoolbox.dmarc-report.com; ruf=mailto:8aa906a5@forensics.dmarc-report.com; fo=1

📬 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 2026-10-24 13:31:25

www	104.21.34.195 172.67.164.53 2606:4700:3033::ac43:a435 2606:4700:3036::6815:22c3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network byggemandblohm.dk: 104.21.34.195 172.67.164.53 2606:4700:3033::ac43:a435 2606:4700:3036::6815:22c3 (AS13335) www.byggemandblohm.dk: 104.21.34.195 172.67.164.53 2606:4700:3033::ac43:a435 2606:4700:3036::6815:22c3 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byggemandblohm.dk	0HbtFEgOfeaOG4AoHiAv20EWzc2VPJL8OX26zFRjsE4
TXT	_acme-challenge.byggemandblohm.dk	SVZalTD2y_MOMFKucgSzHHddV8W6kwsRKGfqkkwjgp4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

671ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2414143210
Primary NS (MNAME)	dimitris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-24 13:53:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-11-24
Expires	2027-11-23 (393d)

🔗 Same registrant#

5 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).

Domain	Registrar
jørnblohmknudsen.dk	Punktum dk A/S (direct)
noerrelandskirken.dk	Punktum dk A/S (direct)
nørrelandskirken.dk	Punktum dk A/S (direct)
saxwebdesign.dk	Punktum dk A/S (direct)
ydremission.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

102ms

86ms

108ms

AAAA

246ms

TXT

261ms

CAA

104ms

HTTPS

677ms

TLSA

431ms

SOA

23ms

MTA-STS

148ms

DNSSEC

671ms

SRV

744ms

Total

2702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 13:31:25	729ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-23 06:35:38 shown	2702ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-16 23:58:11	2530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 20:07:03	2597ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 03:54:40	639ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-13 02:38:29	1660ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 03:59:22	3434ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 00:36:22	4013ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 03:02:35	1776ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 13:12:26	1863ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 13:25:05	1756ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-09 05:36:56	9899ms	2 NS 2 A 1 MX	❓ Unknown
2026-06-25 10:01:43	3223ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:15:17	779ms	2 NS 2 A 1 MX	🔓 Insecure