kjaerulffbrostrom.dk

📜 Historical scan 2026-09-21 01:40:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kjaerulffbrostrom.dk is a .dk domain served by 2 nameservers (crystal.ns.cloudflare.com, dakota.ns.cloudflare.com). It was registered on 11 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.219 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by blizzard.mxrouting.net, blizzard-relay.mxrouting.net. 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 146ms

Nameserver	IP addresses	PTR	ASN / ISP
crystal.ns.cloudflare.com	108.162.194.202 162.159.38.202 172.64.34.202 2606:4700:50::a29f:26ca 2803:f800:50::6ca2:c2ca 2a06:98c1:50::ac40:22ca	crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com crystal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dakota.ns.cloudflare.com	108.162.195.79 162.159.44.79 172.64.35.79 2606:4700:58::a29f:2c4f 2803:f800:50::6ca2:c34f 2a06:98c1:50::ac40:234f	dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.219	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.81	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	blizzard.mxrouting.net	45.43.208.19	blizzard.mxrouting.net	AS46261 QuickPacket, LLC
20	300s	blizzard-relay.mxrouting.net	45.43.208.19	blizzard.mxrouting.net	AS46261 QuickPacket, LLC

🔷 AAAA Records (IPv6)#

2 records 147ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8751	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:6db	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 143ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.219,172.67.135.81 ech=AEX+DQBBTQAgACA8bf2Rrw+0nK8gpnCg+npCVqZ4qD1kQs3/vLlaSVomBQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8751,2606:4700:3031::6815:6db

📝 TXT Records#

2 records 275ms

TXT Record
google-site-verification=qsR7Nf45zf44KGXzuKNRAgb1paA9xURnBPjnqUtaCD4
v=spf1 include:mxlogin.com -all

✉️ SPF#

Policy	Record (kjaerulffbrostrom.dk)
-all (hard fail)	v=spf1 include:mxlogin.com -all

📨 DMARC#

Policy	Record (_dmarc.kjaerulffbrostrom.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 03:10:53

www	188.114.96.1 188.114.97.1 2606:4700:3030::ac43:8751 2606:4700:3031::6815:6db (AS13335) (address records, no CNAME)
www vs bare domain	Same network kjaerulffbrostrom.dk: 104.21.6.219 172.67.135.81 2606:4700:3030::ac43:8751 2606:4700:3031::6815:6db (AS13335) www.kjaerulffbrostrom.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::ac43:8751 2606:4700:3031::6815:6db (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414848096
Primary NS (MNAME)	crystal.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 01:28:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-05-11
Expires	2027-05-31 (226d)

🔗 Same registrant#

2 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
christianbrostrom.dk	Punktum dk A/S (direct)
cloudbro.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

146ms

102ms

111ms

AAAA

147ms

TXT

275ms

CAA

88ms

HTTPS

143ms

TLSA

117ms

SOA

0ms

MTA-STS

106ms

DNSSEC

180ms

SRV

142ms

Total

1036ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 00:24:41	2820ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-21 01:40:50 shown	1036ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-13 23:24:45	2752ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-08 14:14:24	2167ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 19:38:29	1154ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-18 09:36:42	10121ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-16 23:39:56	1137ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 17:46:45	1413ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-24 08:16:56	2992ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-22 10:18:09	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:36:15	949ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 00:41:11	13545ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-19 23:39:33	585ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 14:43:15	1823ms	2 NS 2 A 2 MX	🔓 Insecure