brostrups.dk

📜 Historical scan 2026-10-03 19:05:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

brostrups.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was registered on 5 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.13 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.brostrups.dk. 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 113ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.13	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.190	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.brostrups.dk	46.4.121.70	cp07.nordicway.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.4.121.70
🔶 Autoconfig	46.4.121.70

🔷 AAAA Records (IPv6)#

2 records 163ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:560d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:d5be	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 94ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.13,172.67.213.190 ech=AEX+DQBBfgAgACAPSophzkoQIze83OMxaAHB4ZXxq7MkML5iwpwjUpQiIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:560d,2606:4700:3031::ac43:d5be

📝 TXT Records#

1 records 337ms

TXT Record
v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net include:sendgrid.net ~all

✉️ SPF#

Policy	Record (brostrups.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:46.4.121.70 include:relay.mailchannels.net include:sendgrid.net ~all

📨 DMARC#

Policy	Record (_dmarc.brostrups.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-23 18:34:16

www	104.21.86.13 172.67.213.190 2606:4700:3031::6815:560d 2606:4700:3031::ac43:d5be (AS13335) (address records, no CNAME)
www vs bare domain	Same network brostrups.dk: 104.21.86.13 172.67.213.190 2606:4700:3031::6815:560d 2606:4700:3031::ac43:d5be (AS13335) www.brostrups.dk: 104.21.86.13 172.67.213.190 2606:4700:3031::6815:560d 2606:4700:3031::ac43:d5be (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
s1	s1.domainkey.u114990284.wl035.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u114990284.wl035.sendgrid.net	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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.brostrups.dk	uTC0k7WpNN6dsx7U31-fy7ApgGu5Ot2PCRJ3HhAHPeg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

252ms

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

🏷️ SOA#

86ms

Field	Value
Serial	2416467641
Primary NS (MNAME)	gabriella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 19:13:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-12-05
Expires	2026-12-04 (41d)

📋 WHOIS#

⏱️ Lookup Timing#

113ms

96ms

68ms

AAAA

163ms

TXT

337ms

CAA

91ms

HTTPS

94ms

TLSA

302ms

SOA

86ms

MTA-STS

203ms

DNSSEC

252ms

SRV

196ms

Total

1377ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 18:34:16	435ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 13:53:00	443ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 19:05:49 shown	1377ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 18:45:18	716ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 11:53:20	751ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 01:20:41	10178ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 09:44:24	1190ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 03:47:41	1147ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 16:57:23	899ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 17:10:56	501ms	2 NS 2 A 1 MX	🔓 Insecure